MYI · Blackrock Muniyield Quality Fund III, Inc.

$10.72 -0.03 (-0.23%)

Market Cap

$719.18M

66.47M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Quarter:

Holders: 154

Total Value: $432,061,212

Total Shares: 38,889,406

Showing 1–100 of 154 holdings by value · page 1 of 2

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 154 13F filers · Δ vs Mar 31, 2026

Top Holder

14.0%

+0.1 pts

Top 5

48.4%

−0.8 pts

Top 10

66.4%

+1.3 pts

HHI

639

Broadly held+10

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: +1

Institutional value: +0.7%

Shares held: -4.8%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega UBS Group AG	+637,292	1,496,088
Mega MORGAN STANLEY	+396,414	4,633,185
Large STIFEL FINANCIAL CORP	+99,506	1,180,601
Small Westview Management dba Westview Investment Advisors	+95,350	115,250
Large OSAIC HOLDINGS, INC.	+86,662	130,071

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Mid SIT INVESTMENT ASSOCIATES INC	−867,602	1,832,694
Mid RIVERNORTH CAPITAL MANAGEMENT, LLC	−493,372	4,760,961
Mid Karpus Management, Inc.	−234,550	5,442,103
Large Pathstone Holdings, LLC	−162,168	733,117
Mega RAYMOND JAMES FINANCIAL INC	−100,987	1,496,850

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Large Janney Montgomery Scott LLC	67,530	$750,258
Large READYSTATE ASSET MANAGEMENT LP	45,966	$510,682
Mid Arax Advisory Partners	37,171	$412,969
Small Cresta Advisors, Ltd.	27,000	$299,970
Micro Worth Asset Management, LLC	22,999	$255,518

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Mid Advisors Asset Management, Inc.	981,253	$10,312,969
Small Leo Wealth, LLC	274,876	$2,888,946
Mid Stratos Wealth Partners, LTD.	36,806	$386,831
Mid U.S. Capital Wealth Advisors, LLC	31,609	$332,210
Mid Private Advisor Group, LLC	19,100	$200,741

Filter: New 18 Increased 50 Reduced 40 Sold out 17 Unchanged 46

Showing 100 of 154

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

Karpus Management, Inc.

$60,461,764

13.99%

5,442,103

RIVERNORTH CAPITAL MANAGEMENT, LLC

$52,894,276

12.24%

4,760,961

MORGAN STANLEY

$51,474,683

11.91%

4,633,185

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY CAPITAL SERVICES, LLC	34,774	$386,339	0.8%	Defined
MORGAN STANLEY SMITH BARNEY LLC	3,560,699	$39,559,365	76.9%	Defined
PARAMETRIC PORTFOLIO ASSOCIATES LLC	1,037,712	$11,528,979	22.4%	Defined

GUGGENHEIM CAPITAL LLC

$24,119,487

5.58%

2,170,971

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GUGGENHEIM FUNDS DISTRIBUTORS, LLC	2,170,356	$24,112,655	100.0%	Defined
SECURITY INVESTORS LLC	615	$6,832	0.0%	Defined

SIT INVESTMENT ASSOCIATES INC

$20,361,230

4.71%

1,832,694

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SIT FIXED INCOME ADVISORS II LLC /ADV	1,832,694	$20,361,230	100.0%	Sole

ROBINSON CAPITAL MANAGEMENT, LLC

$17,995,733

4.17%

1,619,778

RAYMOND JAMES FINANCIAL INC

$16,630,002

3.85%

1,496,850

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RAYMOND JAMES & ASSOCIATES	734,141	$8,156,306	49.0%	Defined
Raymond James Financial Services Advisors, Inc.	749,921	$8,331,622	50.1%	Defined
RAYMOND JAMES TRUST N.A.	12,788	$142,074	0.9%	Defined

UBS Group AG

$16,621,537

3.85%

1,496,088

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS Financial Services Inc	1,496,088	$16,621,537	100.0%	Defined

STIFEL FINANCIAL CORP

$13,116,477

3.04%

1,180,601

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
STIFEL NICOLAUS & CO INC \MO\	1,180,601	$13,116,477	100.0%	Defined

BANK OF AMERICA CORP /DE/

$13,027,818

3.02%

1,172,621

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BANK OF AMERICA NA	182,696	$2,029,752	15.6%	Defined
MERRILL LYNCH, PIERCE, FENNER & SMITH INC.	989,925	$10,998,066	84.4%	Defined

VAN ECK ASSOCIATES CORP

$10,812,340

2.50%

973,208

Pathstone Holdings, LLC

$8,144,929

1.89%

733,117

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
ADVISOR PARTNERS II, LLC	712,139	$7,911,864	97.1%	Defined
Held directly	20,978	$233,065	2.9%	Sole

WELLS FARGO & COMPANY/MN

$7,572,920

1.75%

681,631

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO ADVISORS FINANCIAL NETWORK, LLC	149,584	$1,661,878	21.9%	Defined
WELLS FARGO CLEARING SERVICES, LLC	532,047	$5,911,042	78.1%	Defined

Allspring Global Investments Holdings, LLC

$6,587,807

1.52%

592,962

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Allspring Global Investments, LLC reporting on behalf of UBS ASSET MANAGEMENT AMERICAS INC	592,962	$6,587,807	100.0%	Defined

LPL Financial LLC

$6,477,652

1.50%

583,047

CITY OF LONDON INVESTMENT MANAGEMENT CO LTD

$5,860,580

1.36%

527,505

Allianz Asset Management GmbH

$5,454,276

1.26%

490,934

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Pacific Investment Management Company LLC	490,934	$5,454,276	100.0%	Defined

Rockefeller Capital Management L.P.

$5,352,686

1.24%

481,790

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
ROCKEFELLER FINANCIAL LLC	481,790	$5,352,686	100.0%	Defined

MACKAY SHIELDS LLC

$4,877,333

1.13%

439,004

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
NEW YORK LIFE INVESTMENT MANAGEMENT LLC	135,651	$1,507,082	30.9%	Other
Held directly	303,353	$3,370,251	69.1%	Sole

Capital Investment Advisors, LLC

$4,386,250

1.02%

394,802

MELFA WEALTH MANAGEMENT, INC.

$4,280,105

0.99%

385,248

Rareview Capital LLC

$4,277,449

0.99%

385,009

COHEN & STEERS, INC.

$4,265,706

0.99%

383,952

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Cohen & Steers Capital Management Inc	383,952	$4,265,706	100.0%	Sole

ROYAL BANK OF CANADA

$3,872,423

0.90%

348,553

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RBC Capital Markets, LLC	348,270	$3,869,279	99.9%	Defined
RBC Rochdale, LLC	283	$3,144	0.1%	Defined

COMMONWEALTH EQUITY SERVICES, LLC

$3,135,886

0.73%

282,258

Invesco Ltd.

$2,954,348

0.68%

265,918

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Invesco Investment Advisers LLC	265,918	$2,954,348	100.0%	Defined

Fiera Capital Corp

$2,559,777

0.59%

230,403

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Fiera Capital Inc.	230,403	$2,559,777	100.0%	Other

KIM, LLC

$2,280,194

0.53%

205,238

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Koch, Inc.	205,238	$2,280,194	100.0%	Defined

PNC FINANCIAL SERVICES GROUP, INC.

$2,115,899

0.49%

190,450

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
PNC Bank, National Association	190,450	$2,115,899	100.0%	Defined

AMERIPRISE FINANCIAL INC

$2,063,660

0.48%

185,748

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Ameriprise Financial Services, LLC	185,748	$2,063,660	100.0%	Defined

Coastal Bridge Advisors, LLC

$1,949,960

0.45%

175,514

Scarborough Advisors, LLC

$1,881,611

0.44%

169,362

Dakota Wealth Management

$1,615,082

0.37%

145,372

Concurrent Investment Advisors, LLC

$1,534,623

0.36%

138,130

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Concurrent Asset Management, LLC	71	$788	0.1%	Sole
Held directly	138,059	$1,533,835	99.9%	Sole

Professional Financial Management, Inc.

$1,533,846

0.36%

138,060

HORIZON KINETICS ASSET MANAGEMENT LLC

$1,516,937

0.35%

136,538

OSAIC HOLDINGS, INC.

$1,445,088

0.33%

130,071

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	130,071	$1,445,088	100.0%	Defined

1607 Capital Partners, LLC

$1,409,692

0.33%

126,885

HighTower Advisors, LLC

$1,365,930

0.32%

122,946

Westview Management dba Westview Investment Advisors

$1,280,427

0.30%

115,250

Westchester Capital Management, LLC

$1,249,162

0.29%

112,436

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WESTCHESTER CAPITAL PARTNERS, LLC	2,662	$29,574	2.4%	Sole
Virtus Investment Advisers, LLC	83,685	$929,740	74.4%	Other
Held directly	26,089	$289,848	23.2%	Sole

Summit Trail Advisors, LLC

$1,235,776

0.29%

111,231

TORONTO DOMINION BANK

$1,178,448

0.27%

106,071

Estate Planners Group, LLC

$1,109,266

0.26%

99,844

Indiana Trust & Investment Management Co

$1,013,776

0.23%

91,249

Bank of New York Mellon Corp

$967,325

0.22%

87,068

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BNY Mellon, NA	86,313	$958,937	99.1%	Defined
Held directly	755	$8,388	0.9%	Defined

Moors & Cabot, Inc.

$805,619

0.19%

72,513

RIVERBRIDGE PARTNERS LLC

$791,443

0.18%

71,237

Advisory Services Network, LLC

$767,023

0.18%

69,039

Chicago Partners Investment Group LLC

$755,657

0.17%

68,016

Janney Montgomery Scott LLC

$750,258

0.17%

67,530

Lido Advisors, LLC

$743,025

0.17%

66,879

Noble Wealth Management PBC

$694,063

0.16%

62,472

OPPENHEIMER & CO INC

$669,266

0.15%

60,240

Wellspring Financial Advisors, LLC

$628,414

0.15%

56,563

Callahan Advisors, LLC

$618,738

0.14%

55,692

Atala Financial Inc

$608,150

0.14%

54,739

Cetera Investment Advisers

$591,129

0.14%

53,207

Kestra Advisory Services, LLC

$520,892

0.12%

46,885

EASTERN BANK

$518,114

0.12%

46,635

READYSTATE ASSET MANAGEMENT LP

$510,682

0.12%

45,966

Ackerman Capital Advisors, LLC

$486,840

0.11%

43,820

Steward Partners Investment Advisory, LLC

$454,476

0.11%

40,907

HOLLENCREST CAPITAL MANAGEMENT

$453,743

0.11%

40,841

Balyasny Asset Management L.P.

$451,299

0.10%

40,621

&PARTNERS

$446,466

0.10%

40,186

Integrated Wealth Concepts LLC

$424,779

0.10%

38,234

Arax Advisory Partners

$412,969

0.10%

37,171

Nuveen, LLC

$403,248

0.09%

36,296

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Nuveen Asset Management, LLC joint	36,296	$403,248	100.0%	Defined

VIRTUE ASSET MANAGEMENT LLC

$395,582

0.09%

35,606

JANE STREET GROUP, LLC

$371,840

0.09%

33,469

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	31,002	$344,432	92.6%	Defined
Jane Street Global Trading, LLC	2,467	$27,408	7.4%	Defined

Cambridge Investment Research Advisors, Inc.

$369,629

0.09%

33,270

Kapstone Financial Advisors LLC

$368,240

0.09%

33,145

Mariner, LLC

$355,719

0.08%

32,018

Closed-End Fund Advisors, Inc.

$343,087

0.08%

30,881

ROTHSCHILD INVESTMENT LLC

$340,665

0.08%

30,663

MERCER GLOBAL ADVISORS INC /ADV

$324,923

0.08%

29,246

BENJAMIN EDWARDS INC

$323,978

0.07%

29,161

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BENJAMIN F. EDWARDS & COMPANY, INC.	29,161	$323,978	100.0%	Defined

Yakira Capital Management, Inc.

$305,647

0.07%

27,511

Verdence Capital Advisors LLC

$302,058

0.07%

27,188

Ashton Thomas Private Wealth, LLC

$299,970

0.07%

27,000

Cresta Advisors, Ltd.

$299,970

0.07%

27,000

River Street Advisors LLC

$297,370

0.07%

26,766

SFMG, LLC

$296,025

0.07%

26,645

Davis Investment Partners, LLC

$290,004

0.07%

26,103

CHOREO, LLC

$260,251

0.06%

23,425

Worth Asset Management, LLC

$255,518

0.06%

22,999

Kore Advisors LP

$244,420

0.06%

22,000

Daner Wealth Management, LLC

$226,832

0.05%

20,417

CITADEL ADVISORS LLC

$225,266

0.05%

20,276

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	20,276	$225,266	100.0%	Defined

Camelot Portfolios, LLC

$213,256

0.05%

19,195

TRUIST FINANCIAL CORP

$212,145

0.05%

19,095

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Truist Advisory Services, Inc.	19,095	$212,145	100.0%	Defined

XTX Topco Ltd

$205,868

0.05%

18,530

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
XTX EXECUTION SERVICES LLC joint	18,530	$205,868	100.0%	Defined

Fortitude Advisory Group L.L.C.

$200,091

0.05%

18,010

ENVESTNET ASSET MANAGEMENT INC

$198,657

0.05%

17,881

M&T Bank Corp

$188,800

0.04%

16,994

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Manufacturers & Traders Trust Company	13,488	$149,851	79.4%	Defined
Wilmington Trust Investment Advisors, Inc. joint	630	$6,998	3.7%	Defined
Wilmington Trust National Association	1,459	$16,209	8.6%	Defined
Wilmington Trust Company	1,417	$15,742	8.3%	Defined

US BANCORP \DE\

$183,414

0.04%

16,509

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
US BANK NATIONAL ASSOCIATION	16,509	$183,414	100.0%	Defined

Equitable Holdings, Inc.

$176,637

0.04%

15,899

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
EQUITABLE ADVISORS, LLC	15,899	$176,637	100.0%	Defined

Savvy Advisors, Inc.

$173,938

0.04%

15,656

NORTHERN TRUST CORP

$169,616

0.04%

15,267

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
NORTHERN TRUST CO	15,267	$169,616	100.0%	Defined

Key facts CIK 883412 CUSIP 09254E103 13F (30d) 117 filings 99 filers Visit website Investor relations