MYI on NYSE

BLACKROCK MUNIYIELD QUALITY FUND III, INC.

BLACKROCK MUNIYIELD QUALITY FUND III, INC. is a company based in Wilmington listed on NYSE (MYI).¹

Price unavailable

Last updated Oct 21, 2026.

Overview

Compare with another stock.

TickerMYI on NYSE¹
HeadquartersWilmington, Delaware¹
Business address100 Bellevue Parkway, Wilmington, De 19809²

See how the biggest companies compare on our leaderboards

Corporate structure

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

Major holders of BLACKROCK MUNIYIELD QUALITY FUND III, INC.

RIVERNORTH CAPITAL MANAGEMENT, LLC Filed SCHEDULE 13G/A on BLACKROCK MUNIYIELD QUALITY FUND III, INC., latest Aug 14, 2026 (2 filings since May 15, 2026)
Toronto Dominion Investments, Inc. Filed SCHEDULE 13D/A on BLACKROCK MUNIYIELD QUALITY FUND III, INC., latest Mar 9, 2026 (2 filings since Jul 5, 2022)
Morgan Stanley Filed SC 13G/A on BLACKROCK MUNIYIELD QUALITY FUND III, INC., latest Dec 11, 2023 (3 filings since Feb 9, 2022)

BLACKROCK MUNIYIELD QUALITY FUND III, INC. Wilmington, Delaware

Built from major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

Leadership

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

Chief executive

President

Chief financial officer

Neal Andrews2007

2010201520202025

Chief executive officerJohn Perlowski Feb 18, 2011 to Feb 18, 2011³
Chief executive officerDonald C. Burke Nov 9, 2007 to Nov 9, 2007⁴
PresidentJohn Perlowski Feb 18, 2011 to Feb 18, 2011³
PresidentDonald C. Burke Nov 9, 2007 to Nov 9, 2007⁴
Chief financial officerNeal Andrews Nov 9, 2007 to Nov 9, 2007⁵

Board members and other officers (38)

Vice PresidentStephen Thomas Minar May 16, 2025 to now⁶
Chief Compliance OfficerAaron David Wasserman Jul 6, 2023 to Jul 6, 2023⁷
Vice PresidentJonathan Diorio Sep 21, 2015 to Sep 21, 2015⁸
Chief Compliance OfficerCharles Park Jun 10, 2014 to now⁹
SecretaryJaney Ahn May 25, 2012 to May 25, 2012¹⁰
Vice PresidentRobert Crothers May 25, 2012 to May 25, 2012¹¹
SecretaryIra P. Shapiro Nov 18, 2010 to Nov 18, 2010¹²
Vice PresidentBrendan Kyne Aug 6, 2009 to Aug 6, 2009¹³
SecretaryHoward Surloff Nov 8, 2007 to Nov 8, 2007¹⁴
Chief Compliance OfficerBrian P. Kindelan Nov 9, 2007 to Nov 9, 2007¹⁵
TreasurerJay M. Fife Nov 9, 2007 to Nov 9, 2007¹⁶
Vice PresidentAnne Ackerley Nov 13, 2007 to Nov 13, 2007¹⁷
Portfolio ManagerRobert A. Dimella Oct 10, 2006 to Oct 10, 2006¹⁸
Board memberMichael Kalinoski Feb 25, 2026 to now¹⁹
Board memberFrancis C. Mahoney Sep 17, 2026 to now²⁰
Board memberArthur Philip Steinmetz Sep 14, 2023 to Sep 14, 2023²¹
Board memberJames Phillip Holloman Jun 21, 2021 to Jun 21, 2021²²
Board memberStayce Harris Jun 21, 2021 to now²³
Board memberLorenzo Flores Aug 9, 2021 to Aug 9, 2021²⁴
Board memberRobert W. Fairbairn Feb 16, 2018 to Feb 16, 2018²⁵
Board memberCatherine A. Lynch Mar 2, 2016 to Mar 2, 2016²⁶
Board memberCynthia Egan Apr 1, 2016 to Apr 1, 2016²⁷
Board memberMichael J. Castellano Apr 20, 2011 to Mar 2, 2012²⁸
Board memberPaul Audet Jul 28, 2011 to Jul 28, 2011²⁹
Board memberHenry Gabbay Nov 7, 2007 to Jan 17, 2019³⁰
Board memberGeorge Nicholas Beckwith Iii. Nov 8, 2007 to Dec 26, 2007³¹
Board memberJerrold B. Harris Nov 8, 2007 to Feb 12, 2008³²
Board memberKaren P. Robards Nov 8, 2007 to May 31, 2011³³
Board memberRobert S. Salomon Jr. Nov 8, 2007 to Nov 8, 2007³⁴
Board memberCarl W. Kester Nov 9, 2007 to Nov 9, 2007³⁵
Board memberFrank Fabozzi Nov 9, 2007 to Apr 7, 2008³⁶
Board memberJames T. Flynn Nov 9, 2007 to Nov 9, 2007³⁷
Board memberKathleen F. Feldstein Nov 9, 2007 to Nov 9, 2007³⁸
Board memberKent Dixon Nov 9, 2007 to Nov 9, 2007³⁹
Board memberRichard Cavanagh Nov 9, 2007 to Dec 26, 2007⁴⁰
Board memberRobert Glenn Hubbard Nov 9, 2007 to Nov 9, 2007⁴¹
Board memberRoscoe Suddarth Nov 9, 2007 to Nov 9, 2007⁴²
General counselDenis Molleur May 22, 2006 to May 22, 2006⁴³

Former names

BLACKROCK MUNIYIELD QUALITY FUND III, INCNov 18, 2010 to Oct 3, 2012²
BLACKROCK MUNIYIELD INSURED FUND, INCJun 15, 2007 to Nov 5, 2010²
MUNIYIELD INSURED FUND INCJun 28, 1994 to Apr 2, 2007²

Timeline

Jan 21, 20258-K Other events⁴⁴
Nov 2, 20218-K Regulation FD disclosure⁴⁵
Feb 18, 2011New chief executive John Perlowski becomes CEO³
Nov 9, 2007New chief executive Donald C. Burke becomes CEO⁴

Filings

109 filings to the SEC since October 2021: 2 major events, 31 insider forms, 7 large holders, 69 other. The latest 20:

Oct 14, 2026N-CEN EDGAR
Oct 5, 2026N-CSR BLACKROCK MUNIYIELD QUALITY FUND III, INC. EDGAR
Sep 25, 2026NPORT-P EDGAR
Sep 17, 20263 EDGAR
Sep 10, 2026N-23C-2 BLACKROCK MUNIYIELD QUALITY FUND III, INC [MYI] EDGAR
Aug 26, 2026N-PX EDGAR
Aug 14, 2026SCHEDULE 13G/A EDGAR
Aug 5, 20263 EDGAR
Jun 25, 2026NPORT-P EDGAR
May 15, 2026SCHEDULE 13G EDGAR
Apr 7, 2026N-CSRS BLACKROCK MUNIYIELD QUALITY FUND III, INC. EDGAR
Mar 26, 2026NPORT-P EDGAR
Mar 9, 2026SCHEDULE 13D/A EDGAR
Mar 6, 20264 EDGAR
Feb 27, 2026N-23C-2 BLACKROCK MUNIYIELD QUALITY FUND III, INC [MYI] EDGAR
Feb 25, 20264 EDGAR
Feb 25, 20264 EDGAR
Feb 25, 20264 EDGAR
Feb 23, 2026425 MUNIVEST FUND, INC. (MVF/MYI) - 425 EDGAR
Feb 23, 2026425 MUNIVEST FUND II, INC. (MVT/MYI) - 425 EDGAR

The 109 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

2 open-market trades by officers, directors and large owners since October 2021: 1 buys and 1 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	$11.22	$112	Form 4
Jun 22, 2022	TORONTO DOMINION HOLDINGS USA INC10% owner	Sale	1,760			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.

RIVERNORTH CAPITAL MANAGEMENT, LLCSCHEDULE 13G/A, 2 filings May 15, 2026 to Aug 14, 2026⁴⁶
Toronto Dominion Investments, Inc.SCHEDULE 13D/A, 2 filings Jul 5, 2022 to Mar 9, 2026⁴⁷
Morgan StanleySC 13G/A, 3 filings Feb 9, 2022 to Dec 11, 2023⁴⁸

Held by these funds

The largest holders among investment managers' 13F reports for the quarter ending Jun 30, 2026, the top 25 of 100. Change is in shares since the quarter before.

Fund	Shares	Value	Share of the fund	Change
Karpus Management, Inc.	5,442,103	$60.5M	1.7%	−234,550
Rivernorth Capital Management, LLC	4,760,961	$52.9M	2.5%	−493,372
Morgan Stanley	4,633,185	$51.5M	0.0%	+396,414
Guggenheim Capital LLC	2,170,971	$24.1M	0.2%	−79,417
Robinson Capital Management, LLC	1,619,778	$18.0M	8.1%	No change
Raymond James Financial Inc	1,496,850	$16.6M	0.0%	−100,987
UBS Group AG	1,496,088	$16.6M	0.0%	+637,292
Stifel Financial Corp	1,180,601	$13.1M	0.0%	+99,506
Bank Of America Corp /de/	1,172,621	$13.0M	0.0%	−619
Van Eck Associates Corp	973,208	$10.8M	0.0%	+24,636
Pathstone Holdings, LLC	733,117	$8.1M	0.0%	−162,168
Wells Fargo & Company/mn	681,631	$7.6M	0.0%	+60,253
Allspring Global Investments Holdings, LLC	592,962	$6.6M	0.0%	+55,182
LPL Financial LLC	583,047	$6.5M	0.0%	+45,800
City Of London Investment Management Co Ltd	527,505	$5.9M	0.4%	No change
Allianz Asset Management GmbH	490,934	$5.5M	0.0%	No change
Rockefeller Capital Management L.P.	481,790	$5.4M	0.0%	+32,194
MacKay Shields LLC	439,004	$4.9M	0.6%	−87,252
Capital Investment Advisors, LLC	394,802	$4.4M	0.1%	−6,334
Melfa Wealth Management, Inc.	385,248	$4.3M	2.3%	−33,982
Rareview Capital LLC	385,009	$4.0M	2.3%	−76,034
Royal Bank Of Canada	348,553	$3.9M	0.0%	−1,070
Commonwealth Equity Services, LLC	282,258	$3.1M	0.0%	+11,002
Invesco Ltd.	265,918	$3.0M	0.0%	−74,684
Fiera Capital Corp	230,403	$2.6M	0.0%	−6,944

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

SEC filer profile

How BLACKROCK MUNIYIELD QUALITY FUND III, 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 MUNIYIELD QUALITY FUND III, INC.¹
CIK0000883412
Employer ID (EIN)22-3165131¹
Fiscal year endsOctober 31¹
Business address100 Bellevue Parkway, Wilmington, DE 19809¹
Phone800-441-7762¹
On EDGAR sinceJun 22, 1994¹
Filings534 in all: 3 (70), 4 (64), DEF 14A (34), N-Q (29), NPORT-P (28), N-CSR (26), NSAR-A (25), 40-17G (24)¹
All 51 form types
NSAR-B (24), N-PX (23), N-CSRS (22), DEFA14A (18), N-30D (18), SC 13G/A (17), N-23C-2 (16), 425 (13), N-CEN (9), SC 13G (7), 40-17G/A (6), CORRESP (6), PRE 14A (6), 8-K (5), POS 8C (4), 497 (3), DEFR14A (3), N-14 8C (3), 424B3 (2), N-14 8C/A (2), N-CEN/A (2), NSAR-B/A (2), POS EX (2), SC 13D (2), 3/A (1), 40-33 (1), 40-6C/A (1), EFFECT (1), N-14 (1), N-14/A (1), N-2 (1), N-2/A (1), N-CSR/A (1), NO ACT (1), NPORT-EX (1), NSAR-A/A (1), NT-NCSR (1), NT-NSAR (1), RW (1), SC 13D/A (1), SCHEDULE 13D/A (1), SCHEDULE 13G (1), SCHEDULE 13G/A (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 MUNIYIELD QUALITY FUND III, INC. filings on SEC EDGAR
2
SEC EDGARBLACKROCK MUNIYIELD QUALITY FUND III, INC. filings on SEC EDGAR
3
SEC EDGARJohn Perlowski, Chief executive officer
4
SEC EDGARDonald C. Burke, Chief executive officer
5
SEC EDGARNeal Andrews, Chief financial officer
6
SEC EDGARStephen Thomas Minar, Vice President
7
SEC EDGARAaron David Wasserman, Chief Compliance Officer
8
SEC EDGARJonathan Diorio, Vice President
9
SEC EDGARCharles Park, Chief Compliance Officer
10
SEC EDGARJaney Ahn, Secretary
11
SEC EDGARRobert Crothers, Vice President
12
SEC EDGARIra P. Shapiro, Secretary
13
SEC EDGARBrendan Kyne, Vice President
14
SEC EDGARHoward Surloff, Secretary
15
SEC EDGARBrian P. Kindelan, Chief Compliance Officer
16
SEC EDGARJay M. Fife, Treasurer
17
SEC EDGARAnne Ackerley, Vice President
18
SEC EDGARRobert A. Dimella, Portfolio Manager
19
SEC EDGARMichael Kalinoski, Board member
20
SEC EDGARFrancis C. Mahoney, Board member
21
SEC EDGARArthur Philip Steinmetz, Board member
22
SEC EDGARJames Phillip Holloman, Board member
23
SEC EDGARStayce Harris, Board member
24
SEC EDGARLorenzo Flores, Board member
25
SEC EDGARRobert W. Fairbairn, Board member
26
SEC EDGARCatherine A. Lynch, Board member
27
SEC EDGARCynthia Egan, Board member
28
SEC EDGARMichael J. Castellano, Board member
29
SEC EDGARPaul Audet, Board member
30
SEC EDGARHenry Gabbay, Board member
31
SEC EDGARGeorge Nicholas Beckwith Iii., Board member
32
SEC EDGARJerrold B. Harris, Board member
33
SEC EDGARKaren P. Robards, Board member
34
SEC EDGARRobert S. Salomon Jr., Board member
35
SEC EDGARCarl W. Kester, Board member
36
SEC EDGARFrank Fabozzi, Board member
37
SEC EDGARJames T. Flynn, Board member
38
SEC EDGARKathleen F. Feldstein, Board member
39
SEC EDGARKent Dixon, Board member
40
SEC EDGARRichard Cavanagh, Board member
41
SEC EDGARRobert Glenn Hubbard, Board member
42
SEC EDGARRoscoe Suddarth, Board member
43
SEC EDGARDenis Molleur, General counsel
44
SEC EDGAROther events
45
SEC EDGARRegulation FD disclosure
46
SEC EDGARRIVERNORTH CAPITAL MANAGEMENT, LLC SCHEDULE 13G/A on BLACKROCK MUNIYIELD QUALITY FUND III, INC.
47
SEC EDGARToronto Dominion Investments, Inc. SCHEDULE 13D/A on BLACKROCK MUNIYIELD QUALITY FUND III, INC.
48
SEC EDGARMorgan Stanley SC 13G/A on BLACKROCK MUNIYIELD QUALITY FUND III, INC.