MHD / BlackRock MuniHoldings Fund, Inc. - Pemfailan SEC, Laporan Tahunan, Penyata Proksi

BlackRock MuniHoldings Fund, Inc.
US ˙ NYSE ˙ US09253N1046

Statistik Asas
LEI MZBVMGS24JR92TGE6Z32
CIK 1034665
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to BlackRock MuniHoldings Fund, Inc.
SEC Filings (Chronological Order)
Halaman ini menyediakan senarai kronologi lengkap bagi Pemfailan SEC, tidak termasuk pemfailan pemilikan yang kami sediakan di tempat lain.
September 4, 2025 424B3

BLACKROCK MUNIHOLDINGS FUND, INC. BLACKROCK MUNICIPAL INCOME TRUST II BLACKROCK MUNICIPAL INCOME QUALITY TRUST BLACKROCK MUNIHOLDINGS QUALITY FUND II, INC. BLACKROCK MUNICIPAL INCOME TRUST 100 Bellevue Parkway Wilmington, Delaware 19809 (800) 882-005

BLACKROCK MUNIHOLDINGS FUND, INC. Table of Contents Filed Pursuant to Rule 424(b)(3) Registration File No.: 333-288716 BLACKROCK MUNIHOLDINGS FUND, INC. BLACKROCK MUNICIPAL INCOME TRUST II BLACKROCK MUNICIPAL INCOME QUALITY TRUST BLACKROCK MUNIHOLDINGS QUALITY FUND II, INC. BLACKROCK MUNICIPAL INCOME TRUST 100 Bellevue Parkway Wilmington, Delaware 19809 (800) 882-0052 September 4, 2025 Dear Common

August 29, 2025 N-14 8C/A

As filed with the Securities and Exchange Commission on August 29, 2025

BLACKROCK MUNIHOLDINGS FUND, INC. As filed with the Securities and Exchange Commission on August 29, 2025 Securities Act File No. 333-288716 Investment Company Act File No. 811-08081 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM N-14 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 ☒ Pre-Effective Amendment No. 1 ☐ Post-Effective Amendment No.    (Check appropriate box or b

August 29, 2025 EX-99.(12)

  BRUSSELS CHICAGO DALLAS FRANKFURT HAMBURG HOUSTON  LONDON LOS ANGELES  MILAN MUNICH NEW YORK PALO ALTO PARIS ROME SAN FRANCISCO WASHINGTON

Form of tax opinion of Willkie Farr & Gallagher LLP regarding the reorganization Exhibit (12) 787 Seventh Avenue New York, NY 10019-6099 Tel: 212 728 8000 Fax: 212 728 8111 [●], 2025 The Addressees Listed on Schedule I Hereto 100 Bellevue Parkway Wilmington, DE 19809 Ladies and Gentlemen: The Acquiring Fund and each Target Fund listed on Schedule I hereto have requested our opinion as to certain federal income tax consequences of the Acquiring Fund’s proposed acquisition of the assets of each Target Fund pursuant to an Agreement and Plan of Reorganization dated as of [●], 2025 (each, a “Plan”).

August 29, 2025 EX-99.(14)

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Consent of the Independent Registered Public Accounting Firm CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in this Registration Statement No.

August 29, 2025 EX-99.(11)

- 2 -

Opinion and Consent of Special Counsel for the Registrant Exhibit (11) August 29, 2025 BlackRock MuniHoldings Fund, Inc.

August 29, 2025 EX-FILING FEES

Security Type

Calculation of Filing Fee Tables N-14 BLACKROCK MUNIHOLDINGS FUND, INC. Table 1: Newly Registered Securities ☐Not Applicable Security Type Security Class Title Fee Calculation Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Fili

August 12, 2025 425

- 2 -

BR MuniHoldings Fund (MHD/BYM) - 425 Filed by BlackRock MuniHoldings Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: BlackRock Municipal Income Quality Trust Investment Company Act File No.: 811-21178 Date: August 11, 2025 Dear [Name], The BlackRock closed-end funds listed below wil

August 12, 2025 425

- 2 -

BR MuniHoldings Fund (MHD/MUE) - 425 Filed by BlackRock MuniHoldings Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Quality Fund II, Inc. Investment Company Act File No.: 811-09191 Date: August 11, 2025 Dear [Name], The BlackRock closed-end funds listed below

August 12, 2025 425

- 2 -

BR MuniHoldings Fund (MHD/BFK) - 425 Filed by BlackRock MuniHoldings Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: BlackRock Municipal Income Trust Investment Company Act File No.: 811-10339 Date: August 11, 2025 Dear [Name], The BlackRock closed-end funds listed below will be hol

August 12, 2025 425

- 2 -

BR MuniHoldings Fund (MHD/BLE) - 425 Filed by BlackRock MuniHoldings Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: BlackRock Municipal Income Trust II Investment Company Act File No.: 811-21126 Date: August 11, 2025 Dear [Name], The BlackRock closed-end funds listed below will be

August 7, 2025 PRE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

BLACKROCK MUNIHOLDINGS FUND, INC. Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☒ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission

July 16, 2025 EX-99.(16)

POWER OF ATTORNEY

Power of Attorney of the Board of Directors Exhibit (16) POWER OF ATTORNEY The undersigned, Cynthia L.

July 16, 2025 N-14 8C

As filed with the Securities and Exchange Commission on July 16, 2025

BLACKROCK MUNIHOLDINGS FUND, INC. Table of Contents As filed with the Securities and Exchange Commission on July 16, 2025 Securities Act File No. 333-[●] Investment Company Act File No. 811-08081 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM N-14 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 ☐ Pre-Effective Amendment No. ☐ Post-Effective Amendment No. (Check appropriate

July 16, 2025 EX-99.(17)

  The QR code or visit to vote your shares

Form of Proxy Cards BlackRock Municipal Income Trust PO Box 43131 Providence, RI 02940-3131 EVERY VOTE IS IMPORTANT     SCAN The QR code or visit www.

July 16, 2025 EX-FILING FEES

Calculation of Filing Fee Table FORM N-14 (Form Type) BLACKROCK MUNIHOLDINGS FUND, INC. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities     Security  Type      Security  Class Title    Fee  Calculation  Rul

Calculation of Filing Fee Tables Exhibit (18) Calculation of Filing Fee Table FORM N-14 (Form Type) BLACKROCK MUNIHOLDINGS FUND, INC.

June 11, 2025 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

BlackRock Classified Funds UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

June 9, 2025 425

BlackRock Municipal Merger Summary

Filed by BlackRock MuniHoldings Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: BlackRock Municipal Income Quality Trust Investment Company Act File No.: 811-21178 Date: June 9, 2025 Contact: 1-800-882-0052 BlackRock Announces Board Approvals Seeking to Deliver Significant Scale Ben

June 9, 2025 425

2

BR MuniHoldings Fund (MHD/BLE) - 425 Filed by BlackRock MuniHoldings Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: BlackRock Municipal Income Trust II Investment Company Act File No.: 811-21126 Date: June 9, 2025 Contact: 1-800-882-0052 BlackRock Announces Board Approvals Seeking

June 9, 2025 425

BlackRock Municipal Merger Summary

Filed by BlackRock MuniHoldings Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: BlackRock Municipal Income Trust Investment Company Act File No.: 811-10339 Date: June 9, 2025 Contact: 1-800-882-0052 BlackRock Announces Board Approvals Seeking to Deliver Significant Scale Benefits to

June 9, 2025 425

BlackRock Municipal Merger Summary

Filed by BlackRock MuniHoldings Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Quality Fund II, Inc. Investment Company Act File No.: 811-09191 Date: June 9, 2025 Contact: 1-800-882-0052 BlackRock Announces Board Approvals Seeking to Deliver Significant Scale

May 22, 2025 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant  ☒ Filed by a Party other than the Registrant  ☐ Check the appropriate box: ☐  Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒  Defini

February 6, 2025 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant  ☒ Filed by a Party other than the Registrant  ☐

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant  ☒ Filed by a Party other than the Registrant  ☐ Check the appropriate box: ☐    Preliminary Proxy Statement ☐    Definitive Proxy Statement ☐    Confidential, for Use of the Commission Only (as per

January 21, 2025 425

BlackRock Announces Board Approval of Closed-End Fund Reorganizations

Filed by BlackRock MuniHoldings Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: BlackRock Municipal Income Quality Trust Investment Company Act File No.: 811-21178 Date: January 21, 2025 Contact: 1-800-882-0052 BlackRock Announces Board Approval of Closed-End Fund Reorganizations Ne

January 21, 2025 425

BlackRock Announces Board Approval of Closed-End Fund Reorganizations

Filed by BlackRock MuniHoldings Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: BlackRock Municipal Income Trust II Investment Company Act File No.: 811-21126 Date: January 21, 2025 Contact: 1-800-882-0052 BlackRock Announces Board Approval of Closed-End Fund Reorganizations New Yor

January 21, 2025 425

BlackRock Announces Board Approval of Closed-End Fund Reorganizations

MuiHoldings (MHD) - 425 Filed by BlackRock MuniHoldings Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: BlackRock Municipal Income Trust Investment Company Act File No.: 811-10339 Date: January 21, 2025 Contact: 1-800-882-0052 BlackRock Announces Board Approval of Closed-End Fund Re

January 21, 2025 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 21, 2025 (January 20, 2025) BLACKROCK MUNIHOLDINGS FUND, INC. (Exact Name of Registrant as Specified in Charter) Maryland 811-08081 22-3508039 (State or Other Jurisdiction of

January 21, 2025 EX-10.1

STANDSTILL AGREEMENT

Exhibit 10.1 Subject to FRE 408 STANDSTILL AGREEMENT This Standstill Agreement (including the exhibits hereto, this “Agreement”) is entered into as of January 20, 2025 by and among Saba Capital Management, L.P. (“Saba”), BlackRock MuniHoldings Fund, Inc. (the “Fund”) and BlackRock Advisors, LLC (the “Advisor,” and together with Saba and the Fund, the “Parties,” and each individually, a “Party”). W

November 13, 2024 SC 13G/A

MHD / BlackRock MuniHoldings Fund, Inc. / Karpus Management, Inc. - KARPUS INVESTMENT MGT / BLACKROCK MUNIHOLDINGS - SCHEDULE 13G/A(#2) Passive Investment

SC 13G/A 1 karpus-sch13g18886.htm KARPUS INVESTMENT MGT / BLACKROCK MUNIHOLDINGS - SCHEDULE 13G/A(#2) UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2) * BlackRock MuniHoldings Fund, Inc. (Name of Issuer) Common (Title of Class of Securities) 09253N104 (CUSIP Number) September 30, 2024 (Date of Event Whi

July 26, 2024 CORRESP

BRUSSELS  CHICAGO  DALLAS  FRANKFURT  HOUSTON  LONDON  LOS ANGELES  MILAN MUNICH  NEW YORK  PALO ALTO  PARIS  ROME  SAN FRANCISCO  WASHINGTON

787 Seventh Avenue New York, NY 10019-6099 Tel:  212 728 8000 Fax: 212 728 8111 July 26, 2024 VIA EDGAR Mr.

June 21, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant   ☒ Filed by a Party other than the Registrant   ☐ Check the appropriate box: ☐    Preliminary Proxy Statement ☐    Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ 

June 5, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant  ☒ Filed by a Party other than the Registrant  ☐ Check the appropriate box: ☐  Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒  Defini

May 20, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive

February 14, 2024 SC 13G

MHD / BlackRock MuniHoldings Fund, Inc. / RIVERNORTH CAPITAL MANAGEMENT, LLC Passive Investment

SC 13G 1 fp0087161-11sc13g.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (AMENDMENT NO. 0)* Blackrock MuniHoldings Fund, Inc. (Name of Issuer) Common (Title of Class of Securities) 09253N104 (CUSIP Number) Marcus Co

February 13, 2024 SC 13G/A

MHD / BlackRock MuniHoldings Fund, Inc. / Karpus Management, Inc. - KARPUS INVESTMENT MGT / BLACKROCK MUNIHOLDINGS - SCHEDULE 13G/A(#1) Passive Investment

SC 13G/A 1 karpus-sch13g18788f.htm KARPUS INVESTMENT MGT / BLACKROCK MUNIHOLDINGS - SCHEDULE 13G/A(#1) UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1) * BlackRock MuniHoldings Fund, Inc. (Name of Issuer) Common (Title of Class of Securities) 09253N104 (CUSIP Number) December 31, 2023 (Date of Event Whi

January 5, 2024 SC 13G/A

MHD / BlackRock MuniHoldings Fund, Inc. / JPMorgan Chase Bank, N.A. - SC 13G/A Passive Investment

SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 4)* BlackRock MuniHoldings Fund, Inc. (Name of Issuer) Variable Rate Muni Term Preferred Shares (Title of Class of Securities) 09253N500 (CUSIP Number) December 20, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate b

January 2, 2024 EX-99.2

VOTING TRUST AGREEMENT

EX-99.2 3 d692858dex992.htm EX-99.2 Exhibit 99.2 Execution Version VOTING TRUST AGREEMENT THIS VOTING TRUST AGREEMENT (this “Agreement”) is made and entered into effective for all purposes and in all respects as of December 20, 2023 by and among Lord Securities Corporation, as trustee (the “Trustee” or any successor thereto), DNT Asset Trust, a Delaware statutory trust, including its successors an

January 2, 2024 EX-99.1

JOINT FILING AGREEMENT

EX-99.1 2 d692858dex991.htm EX-99.1 Exhibit 99.1 JOINT FILING AGREEMENT Pursuant to and in accordance with the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and the rules and regulations thereunder, each party hereto hereby agrees to the joint filing, on behalf of each of them, of any filing required by such party under Section 13 or Section 16 of the Exchange Act or any rule o

January 2, 2024 EX-99.3

TABLE OF CONTENTS Page ARTICLE I DEFINITIONS 3 SECTION 1.01. Definitions 3 SECTION 1.02. Incorporation of Certain Definitions by Reference 8 ARTICLE II PURCHASES AND TRANSFERS, COSTS AND EXPENSES; ADDITIONAL FEE 8 SECTION 2.01. Commitment to Purchase

EX-99.3 4 d692858dex993.htm EX-99.3 Exhibit 99.3 Variable Rate Muni Term Preferred Shares Purchase Agreement BlackRock MuniHoldings Fund, Inc. as Issuer and DNT Asset Trust as Purchaser December 20, 2023 TABLE OF CONTENTS Page ARTICLE I DEFINITIONS 3 SECTION 1.01. Definitions 3 SECTION 1.02. Incorporation of Certain Definitions by Reference 8 ARTICLE II PURCHASES AND TRANSFERS, COSTS AND EXPENSES;

January 2, 2024 EX-99.4

REGISTRATION RIGHTS AGREEMENT

EX-99.4 5 d692858dex994.htm EX-99.4 Exhibit 99.4 REGISTRATION RIGHTS AGREEMENT THIS REGISTRATION RIGHTS AGREEMENT (this “Agreement”), executed as of December 20, 2023, is made by and between (i) BlackRock MuniHoldings Fund, Inc., a closed-end fund organized as a Maryland corporation (the “Fund”) and (ii) DNT Asset Trust, a Delaware statutory trust organized and existing under the laws of the Unite

January 2, 2024 SC 13D

MHD / BlackRock MuniHoldings Fund, Inc. / JPMORGAN CHASE & CO - SC 13D Activist Investment

SC 13D 1 d692858dsc13d.htm SC 13D UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. n/a)* BLACKROCK MUNIHOLDINGS FUND, INC. (Name of Issuer) VARIABLE RATE MUNI TERM PREFERRED SHARES (Title of Class of Securities) 09253N609 (CUSIP Number) Michael Lees JPMorgan Chase & Co. 383 Madison Avenue New York, NY 1017

December 1, 2023 SC 13G/A

MHD / BlackRock MuniHoldings Fund Inc / JPMorgan Chase Bank, N.A. - SC 13G/A Passive Investment

SC 13G/A 1 d586509dsc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3)* BlackRock MuniHoldings Fund, Inc. (Name of Issuer) Variable Rate Muni Term Preferred Shares (Title of Class of Securities) 09253N500 (CUSIP Number) November 24, 2023 (Date of Event Which Requires Filing of this Stat

May 23, 2023 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Definitive

February 14, 2023 SC 13G

MHD / BlackRock MuniHoldings Fund Inc. / Karpus Management, Inc. - KARPUS INVESTMENT MGT / BLACKROCK MUNIHOLDINGS - SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.     ) * BlackRock MuniHoldings Fund, Inc. (Name of Issuer) Common (Title of Class of Securities) 09253N104 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of This Statement) Check the appropriate box to designate the rule pursuant to wh

December 27, 2022 NPORT-EX

Schedule of Investments

BlackRock MuniHoldings Fund Schedule of Investments (unaudited) October 31, 2022 BlackRock MuniHoldings Fund, Inc.

June 3, 2022 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e

March 29, 2022 NPORT-EX

Schedule of Investments

NPORT-EX 2 NPORTLCQD946645360122.htm Schedule of Investments (unaudited) January 31, 2022 BlackRock MuniHoldings Fund, Inc. (MHD) (Percentages shown are based on Net Assets) Security Par (000) Value Municipal Bonds Alabama — 1.0% County of Jefferson Alabama Sewer Revenue, Refunding RB Series A, Senior Lien, (AGM), 5.00%, 10/01/44 $ 570 $ 611,096 Series A, Senior Lien, (AGM), 5.25%, 10/01/48 1,090

November 2, 2021 EX-99.(99)(1)

Class III (Term expires 2022)

Exhibit 99.1 Class III (Term expires 2022) Richard E. Cavanagh Cynthia L. Egan Robert Fairbairn Stayce D. Harris Class I (Term expires 2023) Michael J. Castellano R. Glenn Hubbard W. Carl Kester* John M. Perlowski Lorenzo A. Flores Class II (Term expires 2024) Karen P. Robards Frank J. Fabozzi* Catherine A. Lynch J. Phillip Holloman * Holders of preferred shares are entitled to vote as a separate

November 2, 2021 EX-99.(3)(1)

BLACKROCK MUNIHOLDINGS FUND, INC. AMENDED AND RESTATED Effective as of November 2, 2021

Exhibit 3.1 BLACKROCK MUNIHOLDINGS FUND, INC. AMENDED AND RESTATED BYLAWS Effective as of November 2, 2021 TABLE OF CONTENTS Page ARTICLE I. SHAREHOLDER MEETINGS Section 1. Chair 3 Section 2. Annual Meetings of Shareholders 3 Section 3. Special Meetings of Shareholders 3 Section 4. Place of Meetings 4 Section 5. Notice of Meetings 4 Section 6. Nature of Business at Annual Meetings of Shareholders

November 2, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 2, 2021 (November 2, 2021) BLACKROCK MUNIHOLDINGS FUND, INC. (Exact Name of Registrant as Specified in Charter) MARYLAND 811-08081 22-3508039 (State or Other Jurisdiction of

September 28, 2021 NPORT-EX

Schedule of Investments

BlackRock MuniHoldings Fund Schedule of Investments (unaudited) July 31, 2021 BlackRock MuniHoldings Fund, Inc.

August 31, 2021 POS EX

As filed with the Securities and Exchange Commission on August 31, 2021

As filed with the Securities and Exchange Commission on August 31, 2021 Securities Act File No.

August 31, 2021 EX-99.13(C)

SEVENTH AMENDED AND RESTATED SECURITIES LENDING AGENCY AGREEMENT

Exhibit (13)(c) SEVENTH AMENDED AND RESTATED SECURITIES LENDING AGENCY AGREEMENT This Seventh Amended and Restated Agreement, dated as of January 1, 2021, between each investment company, severally and not jointly, identified on Schedule A, as such schedule may be amended from time to time (each a ?Client?), acting on behalf of itself or the funds listed on Schedule A hereto and any future series of a Client (each, a ?Fund?), by and through BlackRock Advisors, LLC (?BlackRock?), not in its individual capacity but as agent and investment advisor, and BlackRock Investment Management, LLC (the ?Lending Agent?), a Delaware limited liability company.

August 31, 2021 EX-99.12

NEW YORK WASHINGTON HOUSTON PALO ALTO SAN FRANCISCO CHICAGO PARIS LONDON FRANKFURT BRUSSELS MILAN ROME

Exhibit (12) 787 Seventh Avenue New York, NY 10019-6099 Tel: 212 728 8000 Fax: 212 728 8111 March 8, 2021 The Addressees Listed on Schedule I Hereto 100 Bellevue Parkway Wilmington, DE 19809 Ladies and Gentlemen: The Acquiring Fund and each Target Fund listed on Schedule I hereto have requested our opinion as to certain federal income tax consequences of the Acquiring Fund?s proposed acquisition of the assets of each Target Fund pursuant to an Agreement and Plan of Reorganization dated as of March 4, 2021 (each, a ?Plan?).

August 31, 2021 EX-99.6(E)

Amendment No. 3 to Amended and Restated Master Advisory Fee Waiver Agreement

Exhibit (6)(e) Amendment No. 3 to Amended and Restated Master Advisory Fee Waiver Agreement This AMENDMENT NO. 3 (this ?Amendment?) to the Amended and Restated Master Advisory Fee Waiver Agreement dated December 1, 2019 (the ?Agreement?) is made as of this [?] day of [?], 2021, by and among BlackRock Advisors, LLC (the ?Adviser?) and each investment company listed on Schedule A attached hereto (ea

August 31, 2021 EX-99.6(F)

Amendment No. 4 to Amended and Restated Master Advisory Fee Waiver Agreement

Exhibit (6)(f) Amendment No. 4 to Amended and Restated Master Advisory Fee Waiver Agreement This AMENDMENT NO. 4 (this ?Amendment?) to the Amended and Restated Master Advisory Fee Waiver Agreement dated December 1, 2019 (the ?Agreement?) is made as of this 24th day of March, 2021, by and among BlackRock Advisors, LLC (the ?Adviser?) and each investment company listed on Schedule A attached hereto

July 20, 2021 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. 1)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. 1) Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e

June 8, 2021 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e

April 2, 2021 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* BlackRock MuniHoldings Fund, Inc. (Name of Issuer) Variable Rate Muni Term Preferred Shares (Title of Cl

SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* BlackRock MuniHoldings Fund, Inc. (Name of Issuer) Variable Rate Muni Term Preferred Shares (Title of Class of Securities) 09253N500 (CUSIP Number) March 8, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box t

March 31, 2021 NPORT-EX

Schedule of Investments

Schedule of Investments (unaudited) January 31, 2021 BlackRock MuniHoldings Fund, Inc.

March 8, 2021 425

Merger Prospectus - BLACKROCK MUNIHOLDINGS FUND, INC.

Filed by BlackRock MuniHoldings Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Quality Fund, Inc. File No. 333-241481 Date: March 8, 2021 Contact: 1-800-882-0052 BlackRock Announces Closing of Reorganizations of Five Municipal Closed-End Funds New York, March

March 8, 2021 425

Merger Prospectus - BLACKROCK MUNIHOLDINGS FUND II, INC.

Filed by BlackRock MuniHoldings Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Fund II, Inc. File No. 333-241481 Date: March 8, 2021 Contact: 1-800-882-0052 BlackRock Announces Closing of Reorganizations of Five Municipal Closed-End Funds New York, March 8, 20

March 8, 2021 425

Merger Prospectus - BLACKROCK MUNICIPAL BOND TRUST

Filed by BlackRock MuniHoldings Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock Municipal Bond Trust File No. 333-241481 Date: March 8, 2021 Contact: 1-800-882-0052 BlackRock Announces Closing of Reorganizations of Five Municipal Closed-End Funds New York, March 8, 2021 ? B

March 8, 2021 425

Merger Prospectus - BLACKROCK MUNIHOLDINGS FUND, INC.

Filed by BlackRock MuniHoldings Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock Municipal Income Investment Quality Trust File No. 333-241481 Date: March 8, 2021 Contact: 1-800-882-0052 BlackRock Announces Closing of Reorganizations of Five Municipal Closed-End Funds New Yo

February 22, 2021 425

Merger Prospectus - BLACKROCK MUNICIPAL INCOME INVESTMENT QUALITY TRUST

Filed by BlackRock MuniHoldings Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock Municipal Income Investment Quality Trust File No. 333-241481 Date: February 19, 2021 Contact: 1-800-882-0052 BlackRock Announces Special Distributions Related to the Reorganization of Five Muni

February 22, 2021 425

Merger Prospectus - BLACKROCK MUNICIPAL BOND TRUST

Filed by BlackRock MuniHoldings Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock Municipal Bond Trust File No. 333-241481 Date: February 19, 2021 Contact: 1-800-882-0052 BlackRock Announces Special Distributions Related to the Reorganization of Five Municipal Closed-End Fund

February 22, 2021 425

Merger Prospectus - BLACKROCK MUNIHOLDINGS QUALITY FUND

Filed by BlackRock MuniHoldings Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Quality Fund, Inc. File No. 333-241481 Date: February 19, 2021 Contact: 1-800-882-0052 BlackRock Announces Special Distributions Related to the Reorganization of Five Municipal Clos

February 22, 2021 425

Merger Prospectus - BLACKROCK MUNIHOLDINGS FUND II, INC.

Filed by BlackRock MuniHoldings Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Fund II, Inc. File No. 333-241481 Date: February 19, 2021 Contact: 1-800-882-0052 BlackRock Announces Special Distributions Related to the Reorganization of Five Municipal Closed-En

January 21, 2021 425

Merger Prospectus - BLACKROCK MUNICIPAL BOND TRUST

BlackRock Municipal Bond Trust Filed by BlackRock MuniHoldings Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock Municipal Bond Trust File No. 333-241481 Date: January 21, 2021 Contact: 1-800-882-0052 BlackRock Announces Results of Shareholder Vote at Adjourned Joint Special

January 21, 2021 425

Merger Prospectus - BLACKROCK MUNIHOLDINGS FUND, INC.

BLACKROCK MUNIHOLDINGS FUND, INC. Filed by BlackRock MuniHoldings Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Quality Fund, Inc. File No. 333-241481 Date: January 21, 2021 Contact: 1-800-882-0052 BlackRock Announces Results of Shareholder Vote at Adjourned

January 21, 2021 425

Merger Prospectus - BLACKROCK MUNIHOLDINGS FUND, INC.

BLACKROCK MUNIHOLDINGS FUND, INC. Filed by BlackRock MuniHoldings Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock Municipal Income Investment Quality Trust File No. 333-241481 Date: January 21, 2021 Contact: 1-800-882-0052 BlackRock Announces Results of Shareholder Vote at

January 21, 2021 425

Merger Prospectus - BLACKROCK MUNIHOLDINGS FUND II, INC.

BlackRock MuniHoldings Fund II, Inc. Filed by BlackRock MuniHoldings Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Fund II, Inc. File No. 333-241481 Date: January 21, 2021 Contact: 1-800-882-0052 BlackRock Announces Results of Shareholder Vote at Adjourned Jo

January 11, 2021 425

Merger Prospectus - BLACKROCK MUNIHOLDINGS FUND II, INC.

Filed by BlackRock MuniHoldings Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Fund II, Inc. File No. 333-241481 Date: January 11, 2021 WE NEED YOUR HELP - PLEASE VOTE NOW Dear Shareholder, Time is running short and the Joint Special Shareholder Meeting is rap

January 6, 2021 425

Merger Prospectus - BLACKROCK MUNIHOLDINGS FUND II, INC.

Filed by BlackRock MuniHoldings Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Fund II, Inc. File No. 333-241481 Date: January 6, 2021 WE NEED YOUR HELP - PLEASE VOTE NOW Dear Shareholder, Time is running short and the joint Special Shareholder Meeting is rapi

January 6, 2021 425

Merger Prospectus - BLACKROCK MUNIHOLDINGS FUND II, INC.

BlackRock MuniHoldings Fund II, Inc. Filed by BlackRock MuniHoldings Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Fund II, Inc. File No. 333-241481 Date: January 6, 2021 Dear Shareholder, At this time, we have not received voting instructions for your shares

December 30, 2020 425

Merger Prospectus - BLACKROCK MUNIHOLDINGS FUND II, INC.

BLACKROCK MUNIHOLDINGS FUND II, INC. Filed by BlackRock MuniHoldings Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Fund II, Inc. File No. 333-241481 Date: December 30, 2020 WE NEED YOUR HELP - PLEASE VOTE NOW Dear Shareholder, According to our records, you ha

December 23, 2020 425

Merger Prospectus - BLACKROCK MUNIHOLDINGS FUND, INC.

BLACKROCK MUNIHOLDINGS FUND, INC. Filed by BlackRock MuniHoldings Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Fund II, Inc. File No. 333-241481 Date: December 23, 2020 WE NEED YOUR HELP - PLEASE VOTE NOW Dear Shareholder, According to our records, you have

December 23, 2020 425

Merger Prospectus - BLACKROCK MUNIHOLDINGS FUND, INC.

BLACKROCK MUNIHOLDINGS FUND, INC. Filed by BlackRock MuniHoldings Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock Municipal Income Investment Quality Trust File No. 333-241481 Date: December 23, 2020 WE NEED YOUR HELP - PLEASE VOTE NOW Dear Shareholder, According to our rec

December 17, 2020 425

Merger Prospectus - BLACKROCK MUNIHOLDINGS FUND, INC.

BLACKROCK MUNIHOLDINGS FUND, INC. Filed by BlackRock MuniHoldings Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Fund II, Inc. File No. 333-241481 Date: December 17, 2020 WE NEED YOUR HELP - PLEASE VOTE NOW! IMPORTANT NOTICE FOR SHAREHOLDERS OF: BLACKROCK MUNI

December 17, 2020 425

Merger Prospectus - BLACKROCK MUNIHOLDINGS FUND, INC.

BLACKROCK MUNIHOLDINGS FUND, INC. Filed by BlackRock MuniHoldings Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock Municipal Income Investment Quality Trust File No. 333-241481 Date: December 17, 2020 WE NEED YOUR HELP - PLEASE VOTE NOW! IMPORTANT NOTICE FOR SHAREHOLDERS OF:

December 17, 2020 425

Merger Prospectus - BLACKROCK MUNIHOLDINGS FUND, INC.

BLACKROCK MUNIHOLDINGS FUND, INC. Filed by BlackRock MuniHoldings Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Quality Fund, Inc. File No. 333-241481 Date: December 17, 2020 WE NEED YOUR HELP - PLEASE VOTE NOW! IMPORTANT NOTICE FOR SHAREHOLDERS OF: BLACKROCK

December 15, 2020 425

Merger Prospectus - BLACKROCK MUNIHOLDINGS QUALITY FUND

BlackRock MuniHoldings Quality Fund Filed by BlackRock MuniHoldings Quality Fund, Inc.

December 15, 2020 425

Merger Prospectus - BLACKROCK MUNICIPAL INCOME INVESTMENT QUALITY TRUST

BlackRock Municipal Income Investment Quality Trust Filed by BlackRock Municipal Income Investment Quality Trust pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Fund, Inc.

December 15, 2020 425

Merger Prospectus - BLACKROCK MUNIHOLDINGS FUND II, INC.

BlackRock MuniHoldings Fund II, Inc. Filed by BlackRock MuniHoldings Fund II, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Fund, Inc. File No. 333-241481 Date: December 15, 2020 Contact: 1-800-882-0052 BlackRock Announces Results of Joint Special Shareholder Meeti

December 15, 2020 425

Merger Prospectus - BLACKROCK MUNICIPAL BOND TRUST

BlackRock Municipal Bond Trust Filed by BlackRock Municipal Bond Trust pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Fund, Inc.

December 3, 2020 425

Merger Prospectus - BLACKROCK MUNICIPAL BOND TRUST

BlackRock Municipal Bond Trust Filed by BlackRock Municipal Bond Trust pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Fund, Inc.

December 3, 2020 425

EXTREMELY IMPORTANT

BlackRock MuniHoldings Fund II, Inc. Filed by BlackRock MuniHoldings Fund II, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Fund, Inc. File No. 333-241481 Date: December 3, 2020 Shareholder Name Address 1 Address 2 Address 3 Reference # EXTREMELY IMPORTANT Re: Your

December 3, 2020 425

EXTREMELY IMPORTANT

BlackRock MuniHoldings Quality Fund Filed by BlackRock MuniHoldings Quality Fund, Inc.

December 3, 2020 425

EXTREMELY IMPORTANT

BlackRock Municipal Income Investment Quality Trust Filed by BlackRock Municipal Income Investment Quality Trust pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Fund, Inc.

December 2, 2020 425

Merger Prospectus - BLACKROCK MUNIHOLDINGS FUND II, INC.

BlackRock MuniHoldings Fund II, Inc. Filed by BlackRock MuniHoldings Fund II, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Fund, Inc. File No. 333-241481 Date: December 2, 2020 I M P O R T A N T U R G E N T R E Q U E S T BLACKROCK MUNICIPAL INCOME INVESTMENT QUALI

December 2, 2020 425

Merger Prospectus - BLACKROCK MUNIHOLDINGS QUALITY FUND

BlackRock MuniHoldings Quality Fund Filed by BlackRock MuniHoldings Quality Fund, Inc.

December 2, 2020 425

Merger Prospectus - BLACKROCK MUNICIPAL BOND TRUST

BlackRock Municipal Bond Trust Filed by BlackRock Municipal Bond Trust pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Fund, Inc.

December 2, 2020 425

Merger Prospectus - BLACKROCK MUNICIPAL INCOME INVESTMENT QUALITY TRUST

BlackRock Municipal Income Investment Quality Trust Filed by BlackRock Municipal Income Investment Quality Trust pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Fund, Inc.

November 30, 2020 425

Merger Prospectus - BLACKROCK MUNICIPAL INCOME INVESTMENT QUALITY TRUST

BlackRock Municipal Income Investment Quality Trust Filed by BlackRock Municipal Income Investment Quality Trust pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Fund, Inc.

November 30, 2020 425

Merger Prospectus - BLACKROCK MUNICIPAL BOND TRUST

BlackRock Municipal Bond Trust Filed by BlackRock Municipal Bond Trust pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Fund, Inc.

November 30, 2020 425

Merger Prospectus - BLACKROCK MUNIHOLDINGS FUND II, INC.

BlackRock MuniHoldings Fund II, Inc. Filed by BlackRock MuniHoldings Fund II, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Fund, Inc. File No. 333-241481 Date: November 30, 2020 PLEASE VOTE NOW! IMPORTANT NOTICE FOR SHAREHOLDERS OF BLACKROCK MUNICIPAL INCOME INVES

November 30, 2020 425

Merger Prospectus - BLACKROCK MUNIHOLDINGS QUALITY FUND

BlackRock MuniHoldings Quality Fund Filed by BlackRock MuniHoldings Quality Fund, Inc.

November 20, 2020 425

Merger Prospectus - BLACKROCK MUNICIPAL BOND TRUST

BlackRock Municipal Bond Trust Filed by BlackRock Municipal Bond Trust pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Fund, Inc.

November 20, 2020 425

Merger Prospectus - BLACKROCK MUNIHOLDINGS QUALITY FUND

BlackRock MuniHoldings Quality Fund Filed by BlackRock MuniHoldings Quality Fund, Inc.

November 20, 2020 425

Merger Prospectus - BLACKROCK MUNIHOLDINGS FUND II, INC.

BlackRock MuniHoldings Fund II, Inc. Filed by BlackRock MuniHoldings Fund II, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Fund, Inc. File No. 333-241481 Date: November 20, 2020 November 2020 Proposed BlackRock State and National Municipal Fund Reorganizations The

November 20, 2020 425

Merger Prospectus - BR MUNI INCOME INVESTMENT QUALITY TRUST

BR Muni Income Investment Quality Trust Filed by BlackRock Municipal Income Investment Quality Trust pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Fund, Inc.

November 17, 2020 425

Merger Prospectus - BR MUNI INCOM INVEST QUALITY TRUST (BAF)

BR Muni Incom Invest Quality Trust (BAF) Filed by BlackRock Municipal Income Investment Quality Trust pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Fund, Inc.

November 17, 2020 425

Merger Prospectus - BLACKROCK MUNICIPAL BOND TRUST (BBK)

BlackRock Municipal Bond Trust (BBK) Filed by BlackRock Municipal Bond Trust pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Fund, Inc.

November 17, 2020 425

Merger Prospectus - BLACKROCK MUNIHOLDINGS FUND II (MUH)

BlackRock MuniHoldings Fund II (MUH) Filed by BlackRock MuniHoldings Fund II, Inc.

November 17, 2020 425

PLEASE VOTE NOW! IMPORTANT NOTICE FOR SHAREHOLDERS OF BLACKROCK MUNICIPAL INCOME INVESTMENT QUALITY TRUST (“BAF”) BLACKROCK MUNICIPAL BOND TRUST (“BBK”) BLACKROCK MUNIHOLDINGS FUND II, INC. (“MUH”) BLACKROCK MUNIHOLDINGS QUALITY FUND, INC. (“MUS”) BL

BlackRock MuniHoldings Quality Fund (MUS) Filed by BlackRock MuniHoldings Quality Fund, Inc.

November 4, 2020 DEF 14A

- BLACKROCK PROXY - 5 FUNDS [BAF,BBK,MUHMUS,MHD]

DEF 14A 1 d34712ddef14a.htm BLACKROCK PROXY - 5 FUNDS [BAF,BBK,MUHMUS,MHD] UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for

November 3, 2020 424B3

BLACKROCK MUNICIPAL INCOME INVESTMENT QUALITY TRUST BLACKROCK MUNICIPAL BOND TRUST BLACKROCK MUNIHOLDINGS FUND II, INC. BLACKROCK MUNIHOLDINGS QUALITY FUND, INC. BLACKROCK MUNIHOLDINGS FUND, INC. 100 Bellevue Parkway Wilmington, Delaware 19809 (800)

BLACKROCK MUNIHOLDINGS FUND, INC. Table of Contents Filed Pursuant to Rule 424(b)(3) Registration File No.: 333-241481 BLACKROCK MUNICIPAL INCOME INVESTMENT QUALITY TRUST BLACKROCK MUNICIPAL BOND TRUST BLACKROCK MUNIHOLDINGS FUND II, INC. BLACKROCK MUNIHOLDINGS QUALITY FUND, INC. BLACKROCK MUNIHOLDINGS FUND, INC. 100 Bellevue Parkway Wilmington, Delaware 19809 (800) 882-0052 November 3, 2020 Dear

November 3, 2020 CORRESP

NEW YORK WASHINGTON HOUSTON PALO ALTO SAN FRANCISCO CHICAGO PARIS LONDON FRANKFURT BRUSSELS MILAN ROME

BLACKROCK 787 Seventh Avenue New York, NY 10019-6099 Tel: 212 728 8000 Fax: 212 728 8111 November 3, 2020 VIA EDGAR John Grzeskiewicz Deborah O’Neal Division of Investment Management Securities and Exchange Commission 100 F Street, NE Washington, DC 20549 Re: Proxy Materials on Schedule 14A for the Registrants listed on Appendix A hereto (collectively, the “Registrants”) Dear Mr.

November 2, 2020 EX-99.(6)(A)

Investment Management Agreement between the Registrant and BlackRock Advisors, LLC dated September 29, 2006 – filed herewith

Investment Management Agreement between the Registrant and BlackRock Advisors Exhibit (6)(a) INVESTMENT MANAGEMENT AGREEMENT AGREEMENT, dated September 29, 2006, between BlackRock MuniHoldings Fund, Inc.

November 2, 2020 EX-99.(17)

Form of Proxy Card for Common Shares of the Funds – filed herewith

Form of Proxy Card for Common Shares of the Funds EVERY SHAREHOLDER’S VOTE IS IMPORTANT! EASY VOTING OPTIONS: VOTE ON THE INTERNET Log on to: www.

November 2, 2020 EX-99.(14)

Consent of the Independent Registered Public Accounting Firm for the Registrant, BlackRock Municipal Income Investment Quality Trust, BlackRock Municipal Bond Trust, BlackRock MuniHoldings Fund II, Inc. and BlackRock MuniHoldings Quality Fund, Inc. – filed herewith

Consent of the Independent Registered Public Accounting Firm for the Registrant Exhibit (14) CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in this Registration Statement No.

November 2, 2020 N-14 8C/A

- BLACKROCK MUNIHOLDINGS FUND, INC.

BLACKROCK MUNIHOLDINGS FUND, INC. Table of Contents As filed with the Securities and Exchange Commission on October 30, 2020 Securities Act File No. 333-241481 Investment Company Act File No. 811-08081 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM N-14 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 ☒ Pre-Effective Amendment No. 1 ☐ Post-Effective Amendment No. (Check appr

November 2, 2020 EX-99.(13)(A)

Form of Amended and Restated Transfer Agency and Service Agreement filed herewith

Form of Amended and Restated Transfer Agency and Service Agreement Exhibit (13)(a) Amended and Restated Transfer Agency and Service Agreement Among Each of the BlackRock Closed-End Investment Companies Listed Herein on Appendix A and Computershare Trust Company, N.

November 2, 2020 EX-99.(12)(A)

Form of tax opinion of Willkie Farr & Gallagher LLP regarding the reorganization of BlackRock Municipal Income Investment Quality Trust and the Registrant – filed herewith

Form of tax opinion of Willkie Farr & Gallagher LLP Exhibit (12)(a) 787 Seventh Avenue New York, NY 10019-6099 Tel: 212 728 8000 Fax: 212 728 8111 [●], 2021 BlackRock Municipal Income Investment Quality Trust BlackRock MuniHoldings Fund, Inc.

November 2, 2020 EX-99.(6)(B)

Amended and Restated Master Advisory Fee Waiver Agreement – filed herewith

Amended and Restated Master Advisory Fee Waiver Agreement Exhibit (6)(b) Amended and Restated Master Advisory Fee Waiver Agreement This AMENDED AND RESTATED MASTER ADVISORY FEE WAIVER AGREEMENT (this “Agreement”) is made as of December 1, 2019, by and among BlackRock Advisors, LLC (the “Adviser”) and each investment company listed on Schedule A attached hereto (each, a “Fund”).

November 2, 2020 EX-99.(9)

Form of Master Custodian Agreement – filed herewith

Form of Master Custodian Agreement Exhibit (9) MASTER CUSTODIAN AGREEMENT Between Each BlackRock Entity Listed in Appendix A And State Street Bank and Trust Company Dated as of December 31, 2018 TABLE OF CONTENTS Page 1.

November 2, 2020 EX-99.(1)(B)

Articles of Amendment to the Articles of Incorporation of the Registrant dated September 14, 2006 – filed herewith.

Articles of Amendment to the Articles of Incorporation of the Registrant Exhibit (1)(b) MUNIHOLDINGS FUND, INC.

November 2, 2020 EX-99.(12)(D)

Form of tax opinion of Willkie Farr & Gallagher LLP regarding the reorganization of BlackRock MuniHoldings Quality Fund, Inc. and the Registrant – filed herewith

Form of tax opinion of Willkie Farr & Gallagher LLP Exhibit (12)(d) 787 Seventh Avenue New York, NY 10019-6099 Tel: 212 728 8000 Fax: 212 728 8111 [●], 2021 BlackRock MuniHoldings Quality Fund, Inc.

November 2, 2020 EX-99.(8)

BlackRock Fixed-Income Complex Third Amended and Restated Deferred Compensation Plan – filed herewith

BR Fixed-Income Complex Third Amended and Restated Deferred Compensation Plan Exhibit (8) THE BLACKROCK FUND COMPLEX THIRD AMENDED AND RESTATED DEFERRED COMPENSATION PLAN (Effective as of January 1, 2019) The purpose of the BlackRock Fund Complex Third Amended and Restated Deferred Compensation Plan (the “Plan”) is to provide eligible trustees of Participating Funds the opportunity to defer the receipt of all or a portion of the amounts payable to them as compensation for services rendered as members of the Board of the respective funds.

November 2, 2020 EX-99.(1)(D)

Articles of Amendment to the Articles Supplementary Establishing and Fixing the Rights and Preferences of Variable Rate Muni Term Preferred Shares dated June 30, 2015 – filed herewith.

Articles of Amendment to the Articles Supplementary Exhibit (1)(d) BLACKROCK MUNIHOLDINGS FUND, INC.

November 2, 2020 EX-99.(13)(B)

Form of Administration and Accounting Services Agreement – filed herewith

Form of Administration and Accounting Services Agreement Exhibit (13)(b) ADMINISTRATION AND FUND ACCOUNTING SERVICES AGREEMENT Between Each BlackRock Management Investment Company Listed in Schedule A And State Street Bank and Trust Company Dated as of December 31, 2018 TABLE OF CONTENTS Page 1.

November 2, 2020 EX-99.(12)(C)

Form of tax opinion of Willkie Farr & Gallagher LLP regarding the reorganization of BlackRock MuniHoldings Fund II, Inc. and the Registrant – filed herewith

Form of tax opinion of Willkie Farr & Gallagher LLP Exhibit (12)(c) 787 Seventh Avenue New York, NY 10019-6099 Tel: 212 728 8000 Fax: 212 728 8111 [●], 2021 BlackRock MuniHoldings Fund II, Inc.

November 2, 2020 EX-99.(6)(D)

Amendment No. 2 to Amended and Restated Master Advisory Fee Waiver Agreement – filed herewith

Amendment No. 2 to Amended and Restated Master Advisory Fee Waiver Agreement Exhibit (6)(d) Amendment No. 2 to Amended and Restated Master Advisory Fee Waiver Agreement This AMENDMENT NO. 2 (this “Amendment”) to the Amended and Restated Master Advisory Fee Waiver Agreement dated December 1, 2019 (the “Agreement”) is made as of this 18th day of September, 2020, by and among BlackRock Advisors, LLC

November 2, 2020 EX-99.(3)

Voting Trust Agreement of VMTP Holder – filed herewith

Voting Trust Agreement of VMTP Holder Exhibit (3) Execution Copy VOTING TRUST AGREEMENT THIS VOTING TRUST AGREEMENT (this “Agreement”) is made and entered into effective for all purposes and in all respects as of December 16, 2011 by and among Lord Securities Corporation, as trustee (the “Trustee” or any successor thereto), JPMorgan Chase Bank, National Association, a national banking association, including its successors and assigns by operation of law (“JPMorgan” or the “Purchaser”) and Institutional Shareholder Services Inc.

November 2, 2020 EX-99.(12)(B)

Form of tax opinion of Willkie Farr & Gallagher LLP regarding the reorganization of BlackRock Municipal Bond Trust and the Registrant – filed herewith

Form of tax opinion of Willkie Farr & Gallagher LLP Exhibit (12)(b) 787 Seventh Avenue New York, NY 10019-6099 Tel: 212 728 8000 Fax: 212 728 8111 [●], 2021 BlackRock Municipal Bond Trust BlackRock MuniHoldings Fund, Inc.

November 2, 2020 EX-99.(6)(C)

Amendment No. 1 to Amended and Restated Master Advisory Fee Waiver Agreement – filed herewith

Amendment No. 1 to Amended and Restated Master Advisory Fee Waiver Agreement Exhibit (6)(c) Amendment No. 1 to Amended and Restated Master Advisory Fee Waiver Agreement This AMENDMENT NO. 1 (this “Amendment”) to the Amended and Restated Master Advisory Fee Waiver Agreement dated December 1, 2019 (the “Agreement”) is made as of this 24th day of January, 2020, by and among BlackRock Advisors, LLC (t

November 2, 2020 EX-99.(13)(C)

Form of Sixth Amended and Restated Securities Lending Agreement – filed herewith

Form of Sixth Amended and Restated Securities Lending Agreement Exhibit (13)(c) SIXTH AMENDED AND RESTATED SECURITIES LENDING AGENCY AGREEMENT This Sixth Amended and Restated Agreement, dated as of January 1, 2020, between each investment company, severally and not jointly, identified on Schedule A, as such schedule may be amended from time to time (each a “Client”), acting on behalf of itself or the funds listed on Schedule A hereto and any future series of a Client (each, a “Fund”), by and through BlackRock Advisors, LLC (“BlackRock”), not in its individual capacity but as agent and investment advisor, and BlackRock Investment Management, LLC (the “Lending Agent”), a Delaware limited liability company.

November 2, 2020 EX-99.(11)

Opinion and Consent of Special Counsel for the Registrant – filed herewith

October 30, 2020 BlackRock MuniHoldings Fund, Inc. 55 East 52nd Street New York, New York 10055 Ladies and Gentlemen: We have acted as special Maryland counsel to BlackRock MuniHoldings Fund, Inc., a Maryland corporation (the “Company”), in connection with the Registration Statement on Form N-14 (File No. 333-241481), together with all amendments through the date hereof, the “Registration Statemen

October 30, 2020 CORRESP

NEW YORK WASHINGTON HOUSTON PALO ALTO SAN FRANCISCO CHICAGO PARIS LONDON FRANKFURT BRUSSELS MILAN ROME

787 Seventh Avenue New York, NY 10019-6099 Tel: 212 728 8000 Fax: 212 728 8111 October 30, 2020 VIA EDGAR Samantha A.

October 23, 2020 PRE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

BlackRock Proxy - 5 Funds [BAF,BBK,MUH,MUS,MHD] Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

October 23, 2020 COVER

NEW YORK WASHINGTON HOUSTON PALO ALTO SAN FRANCISCO CHICAGO PARIS LONDON FRANKFURT BRUSSELS MILAN ROME

Sec letter 787 Seventh Avenue New York, NY 10019-6099 Tel: 212 728 8000 Fax: 212 728 8111 October 23, 2020 VIA EDGAR Securities and Exchange Commission 100 F Street, NE Washington, DC 20549 Re: Preliminary Proxy Materials for BlackRock MuniHoldings Fund, Inc.

September 28, 2020 NPORT-EX

Schedule of Investments

BlackRock MuniHoldings Fund Schedule of Investments (unaudited) July 31, 2020 BlackRock MuniHoldings Fund, Inc.

August 6, 2020 N-14 8C

As filed with the Securities and Exchange Commission on August 6, 2020

BLACKROCK MUNIHOLDINGS FUND, INC. As filed with the Securities and Exchange Commission on August 6, 2020 Securities Act File No. 333- Investment Company Act File No. 811-08081 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM N-14 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 ☐ Pre-Effective Amendment No. ☐ Post-Effective Amendment No. (Check appropriate box or boxes) BLACKR

August 6, 2020 COVER

NEW YORK WASHINGTON HOUSTON PALO ALTO SAN FRANCISCO CHICAGO PARIS LONDON FRANKFURT BRUSSELS MILAN ROME

787 Seventh Avenue New York, NY 10019-6099 Tel: 212 728 8000 Fax: 212 728 8111 August 6, 2020 VIA EDGAR Securities and Exchange Commission 100 F Street, NE Washington, DC 20549 Re: BlackRock MuniHoldings Fund, Inc.

August 6, 2020 EX-99.16

Power of Attorney of the Board of Directors – filed herewith

POWER OF ATTORNEY POWER OF ATTORNEY The undersigned, Michael J. Castellano, Richard E. Cavanagh, Cynthia L. Egan, Frank J. Fabozzi, R. Glenn Hubbard, W. Carl Kester, Catherine A. Lynch, Karen P. Robards, Robert Fairbairn and John M. Perlowski, Directors/Trustees of each of BlackRock MuniYield Quality Fund, Inc. (“MQY”), BlackRock MuniHoldings Fund, Inc. (“MHD”), BlackRock Municipal Income Trust II

June 16, 2020 425

Merger Prospectus - BLACKROCK MUNIHOLDINGS FUND II, INC.

BlackRock MuniHoldings Fund II, Inc. Filed by BlackRock MuniHoldings Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Fund II, Inc. Investment Company Act File No.: 811-08215 Date: June 16, 2020 Contact: 1-800-882-0052 BlackRock Announces Board Approval of Muni

June 16, 2020 425

Merger Prospectus - BLACKROCK MUNIHOLDINGS QUALITY FUND, INC.

BlackRock MuniHoldings Quality Fund, Inc. Filed by BlackRock MuniHoldings Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Quality Fund, Inc. Investment Company Act File No.: 811-08707 Date: June 16, 2020 Contact: 1-800-882-0052 BlackRock Announces Board Approv

June 16, 2020 425

Merger Prospectus - BLACKROCK MUNICIPAL INCOME INVESTMENT QUALITY TRUST

BlackRock Municipal Income Investment Quality Trust Filed by BlackRock MuniHoldings Fund, Inc.

June 16, 2020 425

Merger Prospectus - BLACKROCK MUNICIPAL BOND TRUST

BlackRock Municipal Bond Trust Filed by BlackRock MuniHoldings Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: BlackRock Municipal Bond Trust Investment Company Act File No.: 811-21036 Date: June 16, 2020 Contact: 1-800-882-0052 BlackRock Announces Board Approval of Municipal Closed

June 9, 2020 DEF 14A

- NON CLASSIFIED FUND N&P

Non Classified Fund N&P Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 27, 2020 NPORT-EX

Schedule of Investments

BlackRock MuniHoldings Fund Schedule of Investments (unaudited) January 31, 2020 BlackRock MuniHoldings Fund, Inc.

September 26, 2019 NPORT-EX

MHD / BlackRock MuniHoldings Fund, Inc. NPORT-EX - -

BlackRock MuniHoldings Fund Schedule of Investments (unaudited) July 31, 2019 BlackRock MuniHoldings Fund, Inc.

June 11, 2019 DEF 14A

MHE / BlackRock Massachusetts Tax-Exempt Trust DEF 14A - - NON CLASSIFIED FUND N&P

Non Classified Fund N&P Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 28, 2019 N-Q

MHD / BlackRock MuniHoldings Fund, Inc. BLACKROCK MUNIHOLDINGS FUND, INC. (Quarterly Schedule of Portfolio Holdings)

BLACKROCK MUNIHOLDINGS FUND, INC. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number: 811-08081 Name of Fund: BlackRock MuniHoldings Fund, Inc. (MHD) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: John

March 28, 2019 EX-99.CERT

CERTIFICATION PURSUANT TO RULE

EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock MuniHoldings Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock MuniHoldings Fund, Inc.; 2. Based on my knowledge, this report does not contain any untrue stat

September 21, 2018 N-Q

MHD / BlackRock MuniHoldings Fund, Inc. BLACKROCK MUNIHOLDINGS FUND, INC. (Quarterly Schedule of Portfolio Holdings)

BLACKROCK MUNIHOLDINGS FUND, INC. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number: 811-08081 Name of Fund: BlackRock MuniHoldings Fund, Inc. (MHD) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: John

September 21, 2018 EX-99.CERT

CERTIFICATION PURSUANT TO RULE

Certification Pursuant to Section 302 EX-99.CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock MuniHoldings Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock MuniHoldings Fund, Inc.; 2. Based on my knowledge, this re

June 6, 2018 DEF 14A

MHE / BlackRock Massachusetts Tax-Exempt Trust NON CLASSIFIED FUND N&P

Non Classified Fund N&P Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 23, 2018 N-Q

Blackrock Muniholdings Fund, Inc. - BLACKROCK MUNIHOLDINGS FUND, INC.

BLACKROCK MUNIHOLDINGS FUND, INC. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number: 811-08081 Name of Fund: BlackRock MuniHoldings Fund, Inc. (MHD) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: John

March 23, 2018 EX-99.CERT

CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE

Certification Pursuant to Section 302 EX-99.CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

February 16, 2018 EX-24

POWER OF ATTORNEY

POWER OF ATTORNEY KNOW ALL PERSONS BY THESE PRESENTS that the undersigned hereby constitutes, designates and appoints Janey Ahn, Benjamin Archibald, Aaron Wasserman, Eugene Drozdetski, Jessica Herlihy, Gladys Chang, Kiersten Zaza, Charles Park and Tricia Meyer of BlackRock, Inc.

January 26, 2018 SC 13G/A

MHD / BlackRock MuniHoldings Fund, Inc. / Jpmorgan Chase Bank, N.a. - SC 13G/A Passive Investment

SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1 )* BlackRock MuniHoldings Fund, Inc. (Name of Issuer) Variable Rate Muni Term Preferred Shares (Title of Class of Securities) 09253N500 (CUSIP Number) December 31, 2017 (Date of Event Which Requires Filing of this Statement) Check the appropriate

September 27, 2017 N-Q

Blackrock Muniholdings Fund, Inc. - BLACKROCK MUNIHOLDINGS FUND, INC.

BLACKROCK MUNIHOLDINGS FUND, INC. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number: 811-08081 Name of Fund: BlackRock MuniHoldings Fund, Inc. (MHD) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: John

September 27, 2017 EX-99.CERT

EX-99. CERT

Certification Pursuant to Section 302 EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock MuniHoldings Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock MuniHoldings Fund, Inc.; 2. Based on my knowledge, this r

June 7, 2017 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Non Classified Fund N&P Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 23, 2017 N-Q

Blackrock Muniholdings Fund, Inc. - BLACKROCK MUNIHOLDINGS FUND, INC.

BLACKROCK MUNIHOLDINGS FUND, INC. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number: 811-08081 Name of Fund: BlackRock MuniHoldings Fund, Inc. (MHD) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: John

March 23, 2017 EX-99.CERT

CERTIFICATION PURSUANT TO RULE

Certification Pursuant to Section 302 EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock MuniHoldings Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock MuniHoldings Fund, Inc.; 2. Based on my knowledge, this r

September 26, 2016 EX-99.CERT

EX-99. CERT

Certification Pursuant to Section 302 EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock MuniHoldings Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock MuniHoldings Fund, Inc.; 2. Based on my knowledge, this r

September 26, 2016 N-Q

BlackRock MuniHoldings Fund BLACKROCK MUNIHOLDINGS FUND, INC. (Quarterly Schedule of Portfolio Holdings)

BLACKROCK MUNIHOLDINGS FUND, INC. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number: 811-08081 Name of Fund: BlackRock MuniHoldings Fund, Inc. (MHD) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: John

June 9, 2016 DEF 14A

BlackRock MuniHoldings Fund BLACKROCK PROXY

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e

April 1, 2016 EX-24

POWER OF ATTORNEY

Unassociated Document POWER OF ATTORNEY KNOW ALL PERSONS BY THESE PRESENTS that the undersigned hereby constitutes, designates and appoints Janey Ahn, Benjamin Archibald, Eugene Drozdetski, Laura Ingle, Gladys Chang, Charles Park, Tricia Meyer and Howard Surloff of BlackRock, Inc.

March 24, 2016 N-Q

Blackrock MuniHoldings Fund BLACKROCK MUNIHOLDINGS FUND, INC. (Quarterly Schedule of Portfolio Holdings)

BLACKROCK MUNIHOLDINGS FUND, INC. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number: 811-08081 Name of Fund: BlackRock MuniHoldings Fund, Inc. (MHD) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: John

March 24, 2016 EX-99.CERT

EX-99. CERT

Certification Pursuant to Section 302 EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock MuniHoldings Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock MuniHoldings Fund, Inc.; 2. Based on my knowledge, this r

March 2, 2016 EX-24

POWER OF ATTORNEY

Unassociated Document POWER OF ATTORNEY KNOW ALL PERSONS BY THESE PRESENTS that the undersigned hereby constitutes, designates and appoints Janey Ahn, Benjamin Archibald, Eugene Drozdetski, Laura Ingle, Gladys Chang, Charles Park, Tricia Meyer and Howard Surloff of BlackRock, Inc.

September 22, 2015 N-Q

BlackRock MuniHoldings Fund BLACKROCK MUNIHOLDINGS FUND, INC. (Quarterly Schedule of Portfolio Holdings)

BLACKROCK MUNIHOLDINGS FUND, INC. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number: 811-08081 Name of Fund: BlackRock MuniHoldings Fund, Inc. (MHD) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: John

September 22, 2015 EX-99.CERT

EX-99. CERT

Certification Pursuant to Section 302 EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock MuniHoldings Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock MuniHoldings Fund, Inc.; 2. Based on my knowledge, this r

June 26, 2015 EX-99.77O RULE 10F-3

Participating Funds

Unassociated Document Participating Funds n U.S. Registered Funds (Name of Fund, Aladdin Ticker): BlackRock Municipal 2020 Term Trust (BKK) BlackRock Municipal 2018 Term Trust (BPK) BlackRock New Jersey Municipal Bond Fund of BlackRock Multi-State Municipal (BR-NJMUNI) BlackRock Municipal Income Quality Trust (BYM) BlackRock MuniEnhanced Fund, Inc. (MEN) BlackRock MuniYield New Jersey Quality Fund

June 26, 2015 EX-99.77B ACCT LTTR

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Unassociated Document REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM To Shareholders and Board of Directors of BlackRock MuniAssets Fund, Inc.

June 12, 2015 DEF 14A

BlackRock Muni New York Intermediate Duration Fund BLACKROCK PROXY NON-CLASSIFIED

BLACKROCK PROXY NON-CLASSIFIED Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 25, 2015 EX-99.CERT

CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF

Certification Pursuant to Section 302 EX-99.CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock MuniHoldings Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock MuniHoldings Fund, Inc.; 2. Based on my knowledge, this re

March 25, 2015 N-Q

BlackRock MuniHoldings Fund BLACKROCK MUNIHOLDINGS FUND, INC. (Quarterly Schedule of Portfolio Holdings)

BLACKROCK MUNIHOLDINGS FUND, INC. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number: 811-08081 Name of Fund: BlackRock MuniHoldings Fund, Inc. (MHD) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: John

January 16, 2015 CORRESP

MYD / BlackRock Muniyield Fund, Inc. CORRESP - -

Skadden, Arps, Slate, Meagher & Flom llp 500 BOYLSTON STREET BOSTON, MASSACHUSETTS 02116 TEL: (617) 573-4800 FAX: (617) 573-4822 www.

December 24, 2014 EX-99.77O RULE 10F-3

Participating Funds

Participating Funds n U.S. Registered Funds (Name of Fund, Aladdin Ticker): iShares Short-Term National AMT-Free Muni Bond ETF (NAT0-5) iShares National AMT-Free Muni Bond ETF(ISHMUNI) BlackRock Municipal Income Trust (BFK) BlackRock Municipal Income Trust II (BLE) BlackRock High Yield Municipal Fund (BR-HYMUNI) BlackRock Strategic Municipal Opportunities Fund of BlackRock Series Trust (BR-SMO-HY)

December 24, 2014 EX-99.77O RULE 10F-3

Participating Funds

Participating Funds n U.S. Registered Funds (Name of Fund, Aladdin Ticker): iShares National AMT-Free Muni Bond ETF (ISHMUNI) BlackRock Municipal Income Trust (BFK) BlackRock Municipal Income Trust II (BLE) BlackRock Strategic Municipal Trust (BSD) BlackRock MuniHoldings Fund, Inc. (MHD) BlackRock MuniHoldings Fund II, Inc. (MUH) BlackRock MuniVest Fund II, Inc. (MVT) BlackRock MuniYield Fund, Inc

September 25, 2014 N-Q

Blackrock Muniholdings Fund, Inc. - BLACKROCK MUNIHOLDINGS FUND, INC.

BLACKROCK MUNIHOLDINGS FUND, INC. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number: 811-08081 Name of Fund: BlackRock MuniHoldings Fund, Inc. (MHD) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: John

September 25, 2014 EX-99.CERT

EX-99. CERT

EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock MuniHoldings Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock MuniHoldings Fund, Inc.; 2. Based on my knowledge, this report does not contain any untrue stat

June 27, 2014 EX-99.77O RULE 10F-3

Participating Funds

Participating Funds n U.S. Registered Funds (Name of Fund, Aladdin Ticker): BlackRock MuniAssets Fund, Inc. (MUA) iShares National AMT-Free Muni Bond ETF (ISHMUNI) BlackRock High Yield Municipal Fund (BR-HYMUNI) BlackRock Strategic Income Opportunities Portfolio (BR-SIP) BlackRock Municipal 2020 Term Trust (BKK) BlackRock Municipal Target Term Trust (BTT2) BlackRock Investment Quality Municipal Tr

June 27, 2014 EX-99.77B ACCT LTTR

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM To Shareholders and Board of Directors of BlackRock MuniAssets Fund, Inc.

June 13, 2014 DEF 14A

- BLACKROCK PROXY NON-CLASSIFIED BOARD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) x Definitive

June 13, 2014 DEFA14A

- BLACKROCK PROXY NON-CLASSIFIED BOARD

Blackrock Proxy Non-Classified Board UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 25, 2014 EX-99.CERT

EX-99. CERT

CERTIFICATION PURSUANT TO SECTION 302 EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock MuniHoldings Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock MuniHoldings Fund, Inc.; 2. Based on my knowledge, this r

March 25, 2014 N-Q

Quarterly Schedule of Portfolio Holdings - BLACKROCK MUNIHOLDINGS FUND, INC.

BLACKROCK MUNIHOLDINGS FUND, INC. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number: 811-08081 Name of Fund: BlackRock MuniHoldings Fund, Inc. (MHD) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: John

September 24, 2013 N-Q

Quarterly Schedule of Portfolio Holdings - BLACKROCK MUNIHOLDINGS FUND, INC.

BlackRock MuniHoldings Fund, Inc. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-08081 Name of Fund: BlackRock MuniHoldings Fund, Inc. (MHD) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: John

September 24, 2013 EX-99.CERT

EX-99. CERT

Certification Pursuant to Section 302 EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock MuniHoldings Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock MuniHoldings Fund, Inc.; 2. Based on my knowledge, this r

June 26, 2013 EX-99.77O RULE 10F-3

Participating Funds

Participating Funds n U.S. Registered Funds (Name of Fund, Aladdin Ticker): BlackRock Muni Intermediate Duration Fund, Inc. (MUI) BlackRock MuniHoldings Fund, Inc. (MHD) BlackRock MuniYield Quality Fund II, Inc. (MQT) BlackRock Strategic Municipal Trust (BSD) BlackRock MuniYield Quality Fund III, Inc. (MYI) BlackRock MuniHoldings Investment Quality Fund (MFL) BlackRock Municipal Income Investment

June 26, 2013 EX-99.77B ACCT LTTR

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM To the Shareholders and Board of Directors of BlackRock MuniAssets Fund, Inc.

June 26, 2013 EX-99.77O RULE 10F-3

Participating Funds

Participating Funds n U.S. Registered Funds (Name of Fund, Aladdin Ticker): BlackRock MuniYield Fund, Inc. (MYD) BlackRock MuniVest Fund II, Inc. (MVT) BlackRock Long-Term Municipal Advantage Trust (BTA) BlackRock Strategic Municipal Trust (BSD) BlackRock MuniHoldings Fund, Inc. (MHD) BlackRock Municipal Income Trust (BFK) BlackRock Strategic Income Opportunities Portfolio (BR-SIP) BlackRock Munic

June 13, 2013 DEF 14A

- BLACKROCK PROXY NON-CLASSIFIED BOARD

BLACKROCK PROXY NON-CLASSIFIED BOARD Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 26, 2013 EX-99.CERT

EX-99. CERT

EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock MuniHoldings Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock MuniHoldings Fund, Inc.; 2. Based on my knowledge, this report does not contain any untrue stat

March 26, 2013 N-Q

Quarterly Schedule of Portfolio Holdings - BLACKROCK MUNIHOLDINGS FUND, INC.

BlackRock MuniHoldings Fund, Inc. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-08081 Name of Fund: BlackRock MuniHoldings Fund, Inc. (MHD) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: John

February 13, 2013 EX-99.A

JOINT FILING AGREEMENT

EX-A EXHIBIT A JOINT FILING AGREEMENT In accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, the persons or entities named below agree to the joint filing on behalf of each of them of this Schedule 13G/A with respect to the Securities of the Issuer and further agree that this joint filing agreement be included as an exhibit to this Schedule 13G/A.

February 13, 2013 SC 13G/A

MHD / BlackRock MuniHoldings Fund, Inc. / ROYAL BANK OF CANADA - AMENDMENT NO.2 TO SCHEDULE 13G Passive Investment

Amendment No.2 to Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2) BlackRock MuniHoldings Fund, Inc. (Name of Issuer) Auction Rate Preferred Stock (Title of Class of Securities) 09253N203 09253N302 (CUSIP Numbers) December 31, 2012 (Date of Event Which Requires Filing of this Statement) Che

January 29, 2013 CORRESP

-

787 Seventh Avenue New York, NY 10019-6099 Tel: 212 728 8000 Fax: 212 728 8111 January 29, 2013 Via EDGAR Laura Hatch Division of Investment Management Securities and Exchange Commission 100 F Street, NE Washington, D.

December 26, 2012 EX-99.77O RULE 10F-3

Participating Funds

Participating Funds n U.S. Registered Funds (Name of Fund, Aladdin Ticker): BlackRock MuniYield Fund, Inc. (MYD) BlackRock MuniVest Fund II, Inc. (MVT) BlackRock Long-Term Municipal Advantage Trust (BTA) BlackRock Strategic Municipal Trust (BSD) BlackRock MuniHoldings Fund, Inc. (MHD) BlackRock Municipal Income Trust (BFK) BlackRock Strategic Income Opportunities Portfolio (BR-SIP) BlackRock Munic

December 7, 2012 CORRESP

-

787 Seventh Avenue New York, NY 10019-6099 Tel: 212 728 8000 Fax: 212 728 8111 December 7, 2012 Via EDGAR Laura Hatch Division of Investment Management Securities and Exchange Commission 100 F Street, NE Washington, D.

September 25, 2012 EX-99.CERT

EX-99. CERT

EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock MuniHoldings Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock MuniHoldings Fund, Inc.; 2. Based on my knowledge, this report does not contain any untrue stat

September 25, 2012 N-Q

Quarterly Schedule of Portfolio Holdings -

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-08081 Name of Fund: BlackRock MuniHoldings Fund, Inc. (MHD) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: John M. Perlowski, Chief Executive Offi

June 26, 2012 EX-99.77Q1 OTHR EXHB

BlackRock MuniHoldings Fund, Inc. (the “Registrant”)

BlackRock MuniHoldings Fund, Inc. (the “Registrant”) 77Q1(d): Copies of all constituent instruments defining the rights of the holders of any new class of securities and of any amendments to constituent instruments referred to in answer to sub-item 77I. A copy of the Registrant's Articles Supplementary Establishing and Fixing the Rights and Preferences of the Fund’s Series W-7 Variable Rate Muni T

June 26, 2012 EX-99.77B ACCT LTTR

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM To the Shareholders and Board of Directors of BlackRock MuniHoldings Fund, Inc.

June 26, 2012 EX-99.77Q1 OTHR EXHB

[Printer Note: Insert Rider Here]

BlackRock MuniHoldings Fund, Inc. (the “Registrant”) 77Q1(a): Copies of material amendments to Registrant’s charter or by-laws Attached please find as an exhibit under Sub-Item 77Q1(a) of Form N-SAR, a copy of the Registrant's Articles Supplementary Establishing and Fixing the Rights and Preferences of the Fund’s Series W-7 Variable Rate Muni Term Preferred Shares filed with the State Department o

June 26, 2012 EX-99.77O RULE 10F-3

Participating Funds

Participating Funds n U.S. Registered Funds (Name of Fund, Aladdin Ticker): BlackRock Municipal Income Investment Quality Trust (BAF) BlackRock Municipal Income Investment Trust (BBF) BlackRock Municipal Bond Trust (BBK) BlackRock Municipal Income Trust (BFK) BlackRock Municipal Bond Investment Trust (BIE) BlackRock Investment Quality Municipal Trust (BKN) BlackRock Municipal Income Trust II (BLE)

June 26, 2012 EX-99.77Q1 OTHR EXHB

Articles Supplementary Establishing and Fixing the Rights and Preferences of Variable Rate Muni Term Preferred Shares dated December 15, 2011 are incorporated herein by reference to Exhibit 77Q(1)(a) to the Registrant’s Semi-Annual Report for Registered Investment Companies on Form N-SAR filed on June 26, 2012.

BLACKROCK MUNIHOLDINGS FUND, INC. ARTICLES SUPPLEMENTARY ESTABLISHING AND FIXING THE RIGHTS AND PREFERENCES OF VARIABLE RATE MUNI TERM PREFERRED SHARES Table of Contents Page DESIGNATION[INSERT PAGE NUMBER] DEFINITIONS[INSERT PAGE NUMBER] TERMS[INSERT PAGE NUMBER] 1. Number of Authorized Shares [INSERT PAGE NUMBER] (a) Authorized Shares [INSERT PAGE NUMBER] (b) Capitalization [INSERT PAGE NUMBER]

June 26, 2012 EX-99.77I NEW SECUR

BlackRock MuniHoldings Fund, Inc. (the "Registrant")

BlackRock MuniHoldings Fund, Inc. (the "Registrant") 77(I) Terms of new or amended securities In connection with the Registrant's issuance of Series W-7 Variable Rate Muni Term Preferred Shares in a private placement on December 16, 2011 (the “VMTP Offering”), the Registrant filed the Articles Supplementary Establishing and Fixing the Rights and Preferences of the Registrant’s Series W-7 Variable

June 12, 2012 DEFR14A

- NON CLASSIFIED FUND NOTICE AND PROXY

NON CLASSIFIED FUND NOTICE AND PROXY Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

June 11, 2012 DEF 14A

- NON CLASSIFIED FUND NOTICE AND PROXY

Non Classified Fund Notice and Proxy Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

April 10, 2012 SC 13G

MHD / BlackRock MuniHoldings Fund, Inc. / Jpmorgan Chase Bank, N.a. - SCHEDULE 13G Passive Investment

Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* BlackRock MuniHoldings Fund, Inc. (Name of Issuer) Variable Rate Muni Term Preferred Shares (Title of Class of Securities) 09253N500 (CUSIP Number) December 16, 2011 (Date of Event Which Requires Filing of this Statement) Check the appropriat

March 27, 2012 EX-99.CERT

EX-99. CERT

EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock MuniHoldings Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock MuniHoldings Fund, Inc.; 2. Based on my knowledge, this report does not contain any untrue stat

March 27, 2012 N-Q

Quarterly Schedule of Portfolio Holdings -

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-08081 Name of Fund: BlackRock MuniHoldings Fund, Inc. (MHD) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: John M. Perlowski, Chief Executive Offi

February 9, 2012 SC 13G/A

MHD / BlackRock MuniHoldings Fund, Inc. / UBS AG - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 d298514dsc13ga.htm SCHEDULE 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3)* BlackRock MuniHoldings Fund, Inc. (Name of issuer) Auction Preferred Stock (Title of class of securities) 09253N203 09253N302 09253N401 (CUSIP number(s)) January 31, 2012 (Date of event which requires filing o

January 13, 2012 SC 13D/A

MHD / BlackRock MuniHoldings Fund, Inc. / BANK OF AMERICA CORP /DE/ - BLACKROCK MUNIHOLDINGS FUND INC 13D/A1 Activist Investment

Page 1 of 31 Schedule 13D CUSIP No. 09253N SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Amendment No. 1) Under the Securities Exchange Act of 1934 BlackRock MuniHoldings Fund Inc (Name of Issuer) AUCTION RATE PREFERRED (Title of Class of Securities) 09253N (CUSIP Number) Bank of America Corporation Bank of America Corporate Center 100 N. Tryon Street Charlotte, North Car

September 28, 2011 N-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-08081 Name of Fund: BlackRock MuniHoldings Fund, Inc. (MHD) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: John M. Perlowski, Chief Executive Offi

September 28, 2011 EX-99.CERT

EX-99. CERT

EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock MuniHoldings Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock MuniHoldings Fund, Inc.; 2. Based on my knowledge, this report does not contain any untrue stat

June 29, 2011 EX-99.77Q1 OTHR EXHB

BLACKROCK MUNIHOLDINGS FUND, INC. Articles Supplementary

BlackRock Equity Dividend Fund BlackRock MuniHoldings Fund, Inc. (the “Registrant”) 77Q1(a): Copies of material amendments to Registrant’s charter or by-laws Attached please find as an exhibit under Sub-Item 77Q1(a) of Form N-SAR a copy of the Registrant's Articles Supplementary filed with the with the State Department of Assessments and Taxation of Maryland on September 17, 2010. BLACKROCK MUNIHO

June 29, 2011 EX-99.77B ACCT LTTR

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Converted by FileMerlin REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM To the Shareholders and Board of Directors of BlackRock MuniHoldings Fund, Inc.

June 24, 2011 SC 13G/A

Item 1.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 1) BlackRock MuniHoldings Fund, Inc. (MHD) (Name of Issuer) Auction Rate Preferred (Title of Class of Securities) 09253N203 09253N302 09253N401 (CUSIP Number) June 16, 2011 (Date of Event which Requires Filing of this Statement) Check the appropriate box t

June 16, 2011 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant |X| Filed by a Party other than the Registrant || Check the appropriate box: || Preliminary Proxy Statement || Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) |X| Def

June 16, 2011 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): June 15, 2011

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): June 15, 2011 BlackRock MuniHoldings Fund, Inc. (Exact Name of Registrant as Specified in Charter) Maryland 811-08081 22-3508039 (State or Other Jurisdiction of Incorporation) (Commis

June 16, 2011 EX-99.1

Closed-End Funds Listed on Annex A 55 East 52nd Street New York, NY 10055

EX-99.1 2 ex99-1.htm EXHIBIT 99.1 - AGREEMENT Exhibit 99.1 Closed-End Funds Listed on Annex A 55 East 52nd Street New York, NY 10055 June 15, 2011 Karpus Management, Inc. 183 Sully's Trail Pittsford, NY 14534 Attn: Cody B. Bartlett Jr. Brooklyn Capital Management LLC 250 Pehle Avenue, Suite 708 Saddle Brook, NJ 07663 Attn: Phillip Goldstein Gentlemen: This letter constitutes the agreement (the "Ag

June 16, 2011 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant |X| Filed by a Party other than the Registrant || Check the appropriate box: || Preliminary Proxy Statement || Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) || Defi

May 18, 2011 PREC14A

PRELIMINARY PROXY MATERIALS – SUBJECT TO COMPLETION UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

PRELIMINARY PROXY MATERIALS – SUBJECT TO COMPLETION UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

May 16, 2011 DEFA14A

SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant /x/ Filed by a Party other than the Registrant / / Check the appropriate box: / / Preliminary Proxy Statement / / Confidential, for the use of the Commission only (as permitted by Rule 14a-6(e)(2)) / / Definitive Proxy Statement / / Definitive Additional Materials /x/ Soliciting Material Pursuant to Section 240.

April 20, 2011 EX-24

POWER OF ATTORNEY

POWER OF ATTORNEY KNOW ALL PERSONS BY THESE PRESENTS that the undersigned hereby constitutes, designates and appoints Howard Surloff, Janey Ahn, Edward Baer, Douglas McCormack, Aaron Wasserman, Ben Archibald and Noah Gellner of BlackRock, Inc.

April 4, 2011 SC 13D/A

The following constitutes Amendment No. 4 ("Amendment No. 4") to the Schedule 13D filed by the undersigned. This Amendment amends the original Schedule 13D as specifically set forth.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D/A (Amendment No. 4) Under the Securities Exchange Act of 1934 BlackRock MuniHoldings Fund, Inc. (MHD) (Name of Issuer) Auction Market Preferred Stock (Title of Class of Securities) 09253N203 09253N302 09253N401 (CUSIP Number) George W. Karpus, President Karpus Management, Inc., d/b/a Karpus Investment Management 1

March 29, 2011 EX-99.CERT

EX-99. CERT

EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock MuniHoldings Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock MuniHoldings Fund, Inc.; 2. Based on my knowledge, this report does not contain any untrue stat

March 29, 2011 N-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-08081 Name of Fund: BlackRock MuniHoldings Fund, Inc. (MHD) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: John M. Perlowski, Chief Executive Offi

February 24, 2011 SC 13D/A

The following constitutes Amendment No. 3 ("Amendment No. 3") to the Schedule 13D filed by the undersigned. This Amendment amends the original Schedule 13D as specifically set forth.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D/A (Amendment No. 3) Under the Securities Exchange Act of 1934 BlackRock MuniHoldings Fund, Inc. (MHD) (Name of Issuer) Auction Market Preferred Stock (Title of Class of Securities) 09253N203 09253N302 09253N401 (CUSIP Number) George W. Karpus, President Karpus Management, Inc., d/b/a Karpus Investment Management 1

February 17, 2011 SC 13D/A

The following constitutes Amendment No. 2 ("Amendment No. 2") to the Schedule 13D filed by the undersigned. This Amendment amends the original Schedule 13D as specifically set forth.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D/A (Amendment No. 2) Under the Securities Exchange Act of 1934 BlackRock MuniHoldings Fund, Inc. (MHD) (Name of Issuer) Auction Market Preferred Stock (Title of Class of Securities) 09253N203 09253N302 09253N401 (CUSIP Number) George W. Karpus, President Karpus Management, Inc., d/b/a Karpus Investment Management 1

February 4, 2011 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): February 4, 2011 BlackRock MuniHo

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): February 4, 2011 BlackRock MuniHoldings Fund, Inc. (Exact Name of Registrant as Specified in Charter) MARYLAND 811-08081 22-3508039 (State or Other Jurisdiction of Incorporation) (Com

February 4, 2011 EX-99.1

BlackRock Closed-End Funds Announce Date of 2011 Annual Meeting of Shareholders

Exhibit 99.1 Contact: 1-800-882-0052 BlackRock Closed-End Funds Announce Date of 2011 Annual Meeting of Shareholders New York, February 4, 2011— The BlackRock Closed-End Funds listed below (each a "Fund" and collectively, the "Funds") announced today that each of their 2011 annual meetings of shareholders will be held on July 28, 2011. Additional information regarding deadlines for shareholder pro

January 14, 2011 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* BlackRock MuniHoldings Fund, Inc. (Name of Issuer) Auction Preferred Stock (Title of Class of Securities

sc13gza UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* BlackRock MuniHoldings Fund, Inc. (Name of Issuer) Auction Preferred Stock (Title of Class of Securities) 09253N203 09253N302 09253N401 (CUSIP Number) December 31, 2010 (Date of Event Which Requires Filing of this Statement) Check the appropriate

January 11, 2011 EX-99.1

Joint Filing Agreement

Exhibit 99.1 EXHIBIT 99.1 Joint Filing Agreement The undersigned hereby agree that they are filing this statement jointly pursuant to Rule 13d-1(k)(1). Each of them is responsible for the timely filing of such Schedule 13D and any amendments thereto, and for the completeness and accuracy of the information concerning such person contained therein; but none of them is responsible for the completene

January 11, 2011 SC 13D

SCHEDULE 13D CUSIP No. 09253N Page 1 of 30 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 BlackRock MuniHoldings Fund, Inc. (Name of issuer) AUCTION RATE PREFERRED (Title of class of s

Schedule 13D SCHEDULE 13D CUSIP No. 09253N Page 1 of 30 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 BlackRock MuniHoldings Fund, Inc. (Name of issuer) AUCTION RATE PREFERRED (Title of class of securities) 09253N (CUSIP number) David Lavan, Esq. O’Melveny & Myers LLP 1625 Eye Street, NW Washington, DC 20006 (202) 383-5191 (Name, a

January 11, 2011 EX-99.2

LIMITED POWER OF ATTORNEY

EXHIBIT 99.2 LIMITED POWER OF ATTORNEY BANK OF AMERICA CORPORATION, a Delaware corporation (the ?Corporation?), does hereby irrevocably make, constitute, and appoint each of Michael Didovic and Geoff Rusnak as an attorney-in-fact for the Corporation acting for the Corporation and in the Corporation?s name, place and stead, for the Corporation?s use and benefit, to bind the Corporation by his execu

December 29, 2010 EX-99.77Q1 OTHR EXHB

BlackRock MuniHoldings Fund, Inc.

BlackRock MuniHoldings Fund BlackRock MuniHoldings Fund, Inc. 77Q1(a): Copies of material amendments to Registrant’s by-laws Amended and Restated By-Laws of the Registrant is hereby incorporated by reference to the Registrant’s Form 8-K filed on September 21, 2010 (SEC Accession No. 0001193125-10-213646 (34 Act)).

September 28, 2010 EX-99.CERT

EX-99. CERT

EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, Anne F. Ackerley, Chief Executive Officer (principal executive officer) of BlackRock MuniHoldings Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock MuniHoldings Fund, Inc.; 2. Based on my knowledge, this report does not contain any untrue state

September 28, 2010 N-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-08081 Name of Fund: BlackRock MuniHoldings Fund, Inc. (MHD) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: Anne F. Ackerley, Chief Executive Offic

September 21, 2010 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 21, 2010 (September 17,

BlackRock MuniHoldings Fund, Inc. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 21, 2010 (September 17, 2010) BlackRock MuniHoldings Fund, Inc. (Exact name of registrant as specified in its charter) MARYLAND 811-21286 3

September 21, 2010 EX-3.1

Amended and Restated Bylaws of the Registrant are incorporated herein by reference to Exhibit 3.1 to Registrant’s Form 8-K, filed on September 21, 2010.

AMENDED AND RESTATED BYLAWS BLACKROCK MUNIHOLDINGS FUND, INC. AMENDED AND RESTATED BYLAWS Effective as of September 17, 2010 TABLE OF CONTENTS Page ARTICLE I SHAREHOLDER MEETINGS Section 1. Chair 1 Section 2. Annual Meetings of Shareholders 1 Section 3. Special Meetings of Shareholders 1 Section 4. Place of Meetings 2 Section 5. Notice of Meetings 2 Section 6. Nature of Business at Annual Meetings

July 28, 2010 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant |X| Filed by a Party other than the Registrant || Check the appropriate box: || Preliminary Proxy Statement || Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) |X| Def

June 29, 2010 EX-99.77O RULE 10F-3

FORM 10f-3 THE BLACKROCK FUNDS Record of Securities Purchased Under the Trust?s Rule 10f-3 Procedures

FORM 10f-3 THE BLACKROCK FUNDS Record of Securities Purchased Under the Trust?s Rule 10f-3 Procedures 1.

June 29, 2010 EX-99.77O RULE 10F-3

FORM 10f-3 THE BLACKROCK FUNDS Record of Securities Purchased Under the Trust?s Rule 10f-3 Procedures

FORM 10f-3 FORM 10f-3 THE BLACKROCK FUNDS Record of Securities Purchased Under the Trust’s Rule 10f-3 Procedures 1.

June 29, 2010 EX-99.77B ACCT LTTR

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Converted by FileMerlin REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM To the Shareholders and Board of Directors of BlackRock MuniHoldings Fund, Inc.

June 29, 2010 EX-99.77O RULE 10F-3

FORM 10f-3 THE BLACKROCK FUNDS Record of Securities Purchased Under the Trust’s Rule 10f-3 Procedures

FORM 10f-3 THE BLACKROCK FUNDS Record of Securities Purchased Under the Trust’s Rule 10f-3 Procedures 1.

June 25, 2010 SC 13D/A

The following constitutes Amendment No. 1 ("Amendment No. 1") to the Schedule 13D filed by the undersigned. This Amendment amends the original Schedule 13D as specifically set forth.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D/A (Amendment No. 1) Under the Securities Exchange Act of 1934 BlackRock MuniHoldings Fund, Inc. (MHD) (Name of Issuer) Auction Market Preferred Stock (Title of Class of Securities) 09253N203 09253N302 09253N401 (CUSIP Number) George W. Karpus, President Karpus Management, Inc., d/b/a Karpus Investment Management 1

June 24, 2010 SC 13D/A

CUSIP No.:

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D/A (Amendment No. 2) Under the Securities Exchange Act of 1934 BlackRock MuniHoldings Fund, Inc. (MHD) (Name of Issuer) Auction Market Preferred Stock (Title of Class of Securities) 09253N203 09253N302 09253N401 (CUSIP Number) Karpus/ Bulldog Group 183 Sully's Trail Pittsford, New York 14534 (585) 586-4680 (Name, A

May 28, 2010 SC 13D/A

CUSIP No.:

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D/A (Amendment No. 1) Under the Securities Exchange Act of 1934 BlackRock MuniHoldings Fund, Inc. (MHD) (Name of Issuer) Auction Market Preferred Stock (Title of Class of Securities) 09253N203 09253N302 09253N401 (CUSIP Number) Karpus/ Bulldog Group 183 Sully's Trail Pittsford, New York 14534 (585) 586-4680 (Name, A

May 26, 2010 SC 13D

CUSIP No.:

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 BlackRock MuniHoldings Fund, Inc. (MHD) (Name of Issuer) Auction Market Preferred Stock (Title of Class of Securities) 09253N203 09253N302 09253N401 (CUSIP Number) Karpus/ Bulldog Group 183 Sully's Trail Pittsford, New York 14534 (585) 586-4680 (Name, Address and Telephone

May 13, 2010 SC 13D

Item 1.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 BlackRock MuniHoldings Fund, Inc. (MHD) (Name of Issuer) Auction Market Preferred Stock (Title of Class of Securities) 09253N203 09253N302 09253N401 (CUSIP Number) George W. Karpus, President Karpus Management, Inc., d/b/a Karpus Investment Management 183 Sully's Trail Pit

March 31, 2010 EX-99.CERT

EX-99. CERT

EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, Anne F. Ackerley, Chief Executive Officer (principal executive officer) of BlackRock MuniHoldings Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock MuniHoldings Fund, Inc.; 2. Based on my knowledge, this report does not contain any untrue state

March 31, 2010 N-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-08081 Name of Fund: BlackRock MuniHoldings Fund, Inc. (MHD) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: Anne F. Ackerley, Chief Executive Offic

February 18, 2010 SC 13G

Item 1.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 BlackRock MuniHoldings Fund, Inc. (MHD) (Name of Issuer) Auction Rate Preferred (Title of Class of Securities) 09253N203 09253N302 09253N401 (CUSIP Number) December 31, 2009 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the

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