MUA on NYSE

BLACKROCK MUNIASSETS FUND, INC.

BLACKROCK MUNIASSETS FUND, INC. is a fund registered in the United States, based in Wilmington, active since 1993.² Its shares trade on NYSE under the symbol MUA.²

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Last updated Oct 21, 2026.

Overview

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TickerMUA on NYSE²
HeadquartersWilmington, United States²
Incorporated inMD³
Business address100 Bellevue Parkway, Wilmington, De 19809³
Legal formStock Corporation²
Kind of organizationFund²
LEIUJYLDIG1NIEEIV3PO802²
StatusActive²
LEI statusIssued and current²
Registered addressc/o THE CORPORATION TRUST, INCORPORATED, 2405 YORK ROAD, SUITE 201, 21093-2264 Lutherville Timonium, United States²
Registered withBusiness Services (Maryland Department of Assessments and Taxation), D03640083²

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Corporate structure

BLACKROCK MUNIASSETS FUND, INC. sits at the top of its group. 1 entity, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

Major holders of BLACKROCK MUNIASSETS FUND, INC.

SIT INVESTMENT ASSOCIATES INC Filed SCHEDULE 13G on BLACKROCK MUNIASSETS FUND, INC., latest Oct 2, 2026
Bank of America Filed SC 13D/A on BLACKROCK MUNIASSETS FUND, INC., latest Dec 13, 2024 (6 filings since Dec 23, 2021)

BLACKROCK MUNIASSETS FUND, INC. Wilmington, Delaware, United States

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

Leadership

Who has led BLACKROCK MUNIASSETS FUND, INC., and when. Pick a name to see everywhere that person has worked.

Chief executive

President

Chief financial officer

2010201520202025

Chief executive officerJohn Perlowski Feb 18, 2011 to Feb 18, 2011⁴
Chief executive officerDonald C. Burke Nov 9, 2007 to Nov 9, 2007⁵
PresidentJohn Perlowski Feb 18, 2011 to Feb 18, 2011⁴
PresidentDonald C. Burke Nov 9, 2007 to Nov 9, 2007⁵
Chief financial officerTrent Walker Jan 12, 2021 to Jan 12, 2021⁶
Chief financial officerNeal Andrews Nov 9, 2007 to Nov 9, 2007⁷

Board members and other officers (38)

Vice PresidentStephen Thomas Minar May 16, 2025 to now⁸
Chief Compliance OfficerAaron David Wasserman Jul 6, 2023 to Jul 6, 2023⁹
Vice PresidentJonathan Diorio Sep 21, 2015 to Sep 21, 2015¹⁰
Chief Compliance OfficerCharles Park Jun 10, 2014 to now¹¹
SecretaryJaney Ahn May 25, 2012 to May 25, 2012¹²
Vice PresidentRobert Crothers May 25, 2012 to May 25, 2012¹³
SecretaryIra P. Shapiro Nov 18, 2010 to Nov 18, 2010¹⁴
Vice PresidentBrendan Kyne Aug 6, 2009 to Aug 6, 2009¹⁵
SecretaryHoward Surloff Nov 8, 2007 to Nov 8, 2007¹⁶
Chief Compliance OfficerBrian P. Kindelan Nov 9, 2007 to Nov 9, 2007¹⁷
TreasurerJay M. Fife Nov 9, 2007 to Mar 2, 2011¹⁸
Vice PresidentAnne Ackerley Nov 13, 2007 to Nov 13, 2007¹⁹
Portfolio ManagerRobert A. Dimella Oct 10, 2006 to Oct 10, 2006²⁰
Board memberChristian Romaglino Feb 25, 2026 to now²¹
Board memberFrancis C. Mahoney Sep 17, 2026 to now²²
Board memberArthur Philip Steinmetz Sep 14, 2023 to Sep 14, 2023²³
Board memberJames Phillip Holloman Jun 21, 2021 to Jun 21, 2021²⁴
Board memberStayce Harris Jun 21, 2021 to now²⁵
Board memberLorenzo Flores Aug 9, 2021 to Aug 9, 2021²⁶
Board memberRobert W. Fairbairn Feb 16, 2018 to Feb 16, 2018²⁷
Board memberCatherine A. Lynch Mar 2, 2016 to May 9, 2018²⁸
Board memberCynthia Egan Apr 1, 2016 to Apr 1, 2016²⁹
Board memberMichael J. Castellano Apr 20, 2011 to Sep 19, 2012³⁰
Board memberPaul Audet Jul 28, 2011 to Jul 28, 2011³¹
Board memberGeorge Nicholas Beckwith Iii. Nov 8, 2007 to Dec 26, 2007³²
Board memberHenry Gabbay Nov 8, 2007 to Jan 17, 2019³³
Board memberJerrold B. Harris Nov 8, 2007 to Jun 17, 2011³⁴
Board memberKaren P. Robards Nov 8, 2007 to Nov 8, 2007³⁵
Board memberRobert S. Salomon Jr. Nov 8, 2007 to Nov 8, 2007³⁶
Board memberRoscoe Suddarth Nov 8, 2007 to Nov 8, 2007³⁷
Board memberCarl W. Kester Nov 9, 2007 to now³⁸
Board memberFrank Fabozzi Nov 9, 2007 to Mar 2, 2011³⁹
Board memberJames T. Flynn Nov 9, 2007 to Nov 9, 2007⁴⁰
Board memberKathleen F. Feldstein Nov 9, 2007 to Nov 9, 2007⁴¹
Board memberKent Dixon Nov 9, 2007 to Nov 9, 2007⁴²
Board memberRichard Cavanagh Nov 9, 2007 to Mar 2, 2011⁴³
Board memberRobert Glenn Hubbard Nov 9, 2007 to now⁴⁴
General counselDenis Molleur May 22, 2006 to May 22, 2006⁴⁵

Former names

MUNIASSETS FUND INCJan 28, 1994 to Apr 26, 2007³

Timeline

Jan 21, 20258-K Other events⁴⁶
Nov 2, 20218-K Regulation FD disclosure⁴⁷
Feb 18, 2011New chief executive John Perlowski becomes CEO⁴
Nov 9, 2007New chief executive Donald C. Burke becomes CEO⁵
Apr 15, 1993Founded BLACKROCK MUNIASSETS FUND, INC. is founded²

Filings

110 filings to the SEC since October 2021: 2 major events, 28 insider forms, 7 large holders, 73 other. The latest 20:

Oct 14, 2026N-CEN EDGAR
Oct 5, 2026N-CSR BLACKROCK MUNIASSETS FUND, INC. EDGAR
Oct 2, 2026SCHEDULE 13G EDGAR
Sep 25, 2026NPORT-P EDGAR
Sep 17, 20263 EDGAR
Sep 10, 2026N-23C-2 BLACKROCK MUNIASSETS FUND, INC [MUA] EDGAR
Aug 26, 2026N-PX EDGAR
Aug 21, 2026497AD BLACKROCK MUNIASSETS FUND, INC (MUA) EDGAR
Aug 10, 20264 EDGAR
Aug 5, 20263 EDGAR
Jul 29, 2026POS EX EDGAR
Jul 29, 2026424B2 EDGAR
Jul 17, 2026EFFECT EDGAR
Jul 17, 2026497AD BLACKROCK MUNIASSETS FUND, INC (MUA) EDGAR
Jul 14, 2026N-2/A BLACKROCK MUNIASSETS FUND, INC EDGAR
Jun 25, 2026NPORT-P EDGAR
May 22, 2026N-2 BLACKROCK MUNIASSETS FUND, INC EDGAR
Apr 7, 2026N-CSRS BLACKROCK MUNIASSETS FUND, INC. EDGAR
Mar 26, 2026NPORT-P EDGAR
Feb 27, 2026N-23C-2 BLACKROCK MUNIASSETS FUND, INC [MUA] EDGAR

The 110 filings since October 2021 can be filtered by form type and year here when JavaScript is on.

Every filing from the last five years, summarized. The full record is on SEC EDGAR.

Insider trades

1 open-market trades by officers, directors and large owners since October 2021: 1 buys and 0 sales. Grants, option exercises and gifts are left out.

Date	Who	Trade	Shares	Price	Value	Filing
Oct 29, 2024	Harris Stayce D.Director	Buy	10	$11.46	$115	Form 4

From Forms 4 filed with the SEC.

Major holders

Investors who own more than 5% of the shares must tell the SEC: a 13D if they may seek to influence the company, a 13G if they hold passively.

SIT INVESTMENT ASSOCIATES INCSCHEDULE 13G, 1 filing Oct 2, 2026⁴⁸
Bank of AmericaSC 13D/A, 6 filings Dec 23, 2021 to Dec 13, 2024⁴⁹

Held by these funds

The largest holders among investment managers' 13F reports for the quarter ending Jun 30, 2026, the top 25 of 94. Change is in shares since the quarter before.

Fund	Shares	Value	Share of the fund	Change
Bank Of America Corp /de/	1,378,675	$15.2M	0.0%	−56,378
Hennion & Walsh Asset Management, Inc.	1,211,956	$13.3M	0.4%	−13,010
Guggenheim Capital LLC	1,061,633	$11.7M	0.1%	−280,810
Keybank National Association/oh	1,059,956	$11.7M	0.0%	+6,906
Rivernorth Capital Management, LLC	868,104	$9.5M	0.4%	+555,694
Advisors Asset Management, Inc.	591,880	$6.5M	0.1%	+116,987
Morgan Stanley	516,216	$5.7M	0.0%	+23,731
Commonwealth Equity Services, LLC	461,271	$5.1M	0.0%	−18,615
Van Eck Associates Corp	428,231	$4.7M	0.0%	+90,992
Raymond James Financial Inc	321,277	$3.5M	0.0%	−7,693
PNC Financial Services Group, Inc.	300,683	$3.3M	0.0%	+19,726
Wells Fargo & Company/mn	299,460	$3.3M	0.0%	+17,738
LPL Financial LLC	251,591	$2.8M	0.0%	−230,275
Robinson Capital Management, LLC	183,406	$2.0M	0.9%	+54,283
Osaic Holdings, Inc.	177,968	$2.0M	0.0%	+19,102
Royal Bank Of Canada	168,731	$1.9M	0.0%	−3,206
Mariner, LLC	161,045	$1.8M	0.0%	+36,090
UBS Group AG	133,274	$1.5M	0.0%	−21,485
Oarsman Capital, Inc.	129,978	$1.4M	0.2%	+19,344
Melfa Wealth Management, Inc.	115,304	$1.3M	0.7%	−8,619
Mpwm Advisory Solutions, LLC	97,054	$1.1M	0.5%	−4,963
NewEdge Advisors, LLC	94,201	$1.0M	0.0%	−21,098
Steward Partners Investment Advisory, LLC	91,455	$1.0M	0.0%	−940
Wealth Alliance, LLC	90,736	$999.0K	0.1%	No change
Noble Wealth Management PBC	89,203	$982.1K	0.4%	−21,104

13F reports cover disclosed long positions in U.S. stocks only.

Members of Congress who traded it

1 trades disclosed by members of Congress. “Vs S&P since” is the stock’s change since the trade minus the S&P 500’s.

Date	Member	Trade	Amount	Vs S&P since	Filing
Mar 17, 2026	Kevin HernRepublican, House	Sale	$50,001 - $100,000	+27.8%	Report

Members report amounts as ranges, not exact figures. Returns are price-only (no dividends).

SEC filer profile

How BLACKROCK MUNIASSETS FUND, INC. is registered with the Securities and Exchange Commission, from its EDGAR record and the cover page of its latest annual report.

Name on EDGARBLACKROCK MUNIASSETS FUND, INC.¹
CIK0000901243
Employer ID (EIN)22-3239638¹
Incorporated inMaryland¹
Fiscal year endsDecember 31¹
Business address100 Bellevue Parkway, Wilmington, DE 19809¹
Phone800-441-7762¹
On EDGAR sinceJan 25, 1994¹
Filings506 in all: 3 (63), 4 (57), DEF 14A (32), N-Q (30), NPORT-P (28), N-CSR (25), NSAR-A (25), NSAR-B (25)¹
All 46 form types
40-17G (24), N-CSRS (23), N-PX (23), N-30D (19), DEFA14A (16), 425 (12), 424B3 (11), N-CEN (9), CORRESP (8), N-23C-2 (8), 40-17G/A (6), EFFECT (6), 8-K (5), PRE 14A (5), POS EX (4), 424B2 (3), N-14 8C (3), N-14 8C/A (3), N-14/A (3), N-2 (3), N-2/A (3), POS 8C (3), SC 13D/A (3), 497 (2), 497AD (2), DEFR14A (2), 3/A (1), 4/A (1), 497J (1), N-14 (1), N-CEN/A (1), N-CSR/A (1), NPORT-EX (1), NSAR-A/A (1), SC 13D (1), SC 13G (1), SC 13G/A (1), SCHEDULE 13G (1)
Latest filingsProxy statement (DEF 14A) Jun 2, 2026
Latest 8-K (8-K) Jan 21, 2025

Sources

The numbers on this page point here. Each one links to the record it came from.

1
SEC EDGARBLACKROCK MUNIASSETS FUND, INC. filings on SEC EDGAR
2
GLEIFBLACKROCK MUNIASSETS FUND, INC. LEI record (UJYLDIG1NIEEIV3PO802)
3
SEC EDGARBLACKROCK MUNIASSETS FUND, INC. filings on SEC EDGAR
4
SEC EDGARJohn Perlowski, Chief executive officer
5
SEC EDGARDonald C. Burke, Chief executive officer
6
SEC EDGARTrent Walker, Chief financial officer
7
SEC EDGARNeal Andrews, Chief financial officer
8
SEC EDGARStephen Thomas Minar, Vice President
9
SEC EDGARAaron David Wasserman, Chief Compliance Officer
10
SEC EDGARJonathan Diorio, Vice President
11
SEC EDGARCharles Park, Chief Compliance Officer
12
SEC EDGARJaney Ahn, Secretary
13
SEC EDGARRobert Crothers, Vice President
14
SEC EDGARIra P. Shapiro, Secretary
15
SEC EDGARBrendan Kyne, Vice President
16
SEC EDGARHoward Surloff, Secretary
17
SEC EDGARBrian P. Kindelan, Chief Compliance Officer
18
SEC EDGARJay M. Fife, Treasurer
19
SEC EDGARAnne Ackerley, Vice President
20
SEC EDGARRobert A. Dimella, Portfolio Manager
21
SEC EDGARChristian Romaglino, Board member
22
SEC EDGARFrancis C. Mahoney, Board member
23
SEC EDGARArthur Philip Steinmetz, Board member
24
SEC EDGARJames Phillip Holloman, Board member
25
SEC EDGARStayce Harris, Board member
26
SEC EDGARLorenzo Flores, Board member
27
SEC EDGARRobert W. Fairbairn, Board member
28
SEC EDGARCatherine A. Lynch, Board member
29
SEC EDGARCynthia Egan, Board member
30
SEC EDGARMichael J. Castellano, Board member
31
SEC EDGARPaul Audet, Board member
32
SEC EDGARGeorge Nicholas Beckwith Iii., Board member
33
SEC EDGARHenry Gabbay, Board member
34
SEC EDGARJerrold B. Harris, Board member
35
SEC EDGARKaren P. Robards, Board member
36
SEC EDGARRobert S. Salomon Jr., Board member
37
SEC EDGARRoscoe Suddarth, Board member
38
SEC EDGARCarl W. Kester, Board member
39
SEC EDGARFrank Fabozzi, Board member
40
SEC EDGARJames T. Flynn, Board member
41
SEC EDGARKathleen F. Feldstein, Board member
42
SEC EDGARKent Dixon, Board member
43
SEC EDGARRichard Cavanagh, Board member
44
SEC EDGARRobert Glenn Hubbard, Board member
45
SEC EDGARDenis Molleur, General counsel
46
SEC EDGAROther events
47
SEC EDGARRegulation FD disclosure
48
SEC EDGARSIT INVESTMENT ASSOCIATES INC SCHEDULE 13G on BLACKROCK MUNIASSETS FUND, INC.
49
SEC EDGARBank of America SC 13D/A on BLACKROCK MUNIASSETS FUND, INC.