BlackRock Muniyield Quality Fund III

MYI • XNYS

BlackRock Muniyield Quality Fund III is a publicly traded company on XNYS. As of Q3 2025, 83 institutional investors hold shares in this company, with total holdings valued at $183.5M. MORGAN STANLEY is the largest holder with a position valued at $32.2M.

Overview

Overview of institutional ownership in MYI as of Q3 2025

All Institutions

Institutions: 83
Value Held: $183.5M
Shares Held: 16.6M
Avg Position: $2.2M
Median Position: $242.5K

Hedge Funds

Hedge Funds: 2
Value Held: $22.4M
Shares Held: 2.0M
Avg Position: $11.2M
Median Position: $11.2M

Biggest Investors

Institutions with the largest positions in MYI as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
MORGAN STANLEY RIA/Wealth	Jed Finn CEO	$32.2M 0.00% of portfolio	0.00% 2.9M shares	Q4 2022 Held for 2y 11m	$1.65T
RIVERNORTH CAPITAL MANAGEMENT, LLC Hedge Fund•Multi-Strategy	Patrick William Galley CEO	$21.8M 1.32% of portfolio	0.00% 2.0M shares	Q4 2022 Held for 2y 11m	$1.7B
Hennion & Walsh Asset Management, Inc. RIA/Wealth	Kevin Douglas Mahn President	$17.1M 0.62% of portfolio	0.00% 1.5M shares	Q3 2023 Held for 2y 2m	$2.8B
G GUGGENHEIM CAPITAL LLC Institution	-	$14.9M 0.11% of portfolio	0.00% 1.3M shares	Q4 2022 Held for 2y 11m	$13.4B
S STIFEL FINANCIAL CORP Long Only Manager	Adam Vartan Topalian CIO	$11.7M 0.01% of portfolio	0.00% 1.1M shares	Q4 2022 Held for 2y 11m	$109.37B
RAYMOND JAMES FINANCIAL INC RIA/Wealth	Steven Robert Marcus CEO	$10.6M 0.00% of portfolio	0.00% 953.5K shares	Q4 2024 Held for 11 months	$310.43B
BANK OF AMERICA CORP /DE/ Institution	Brian T. Moynihan CEO	$7.3M 0.00% of portfolio	0.00% 654.7K shares	Q4 2022 Held for 2y 11m	$1.33T
UBS Group AG Institution	Sergio P. Ermotti CEO	$6.9M 0.00% of portfolio	0.00% 618.8K shares	Q4 2022 Held for 2y 11m	$511.54B
A Allianz Asset Management AG Institution	-	$5.4M 0.01% of portfolio	0.00% 490.9K shares	Q4 2023 Held for 1y 11m	$80.9B
WELLS FARGO & COMPANY/MN Institution	Charles W. Scharf CEO	$4.6M 0.00% of portfolio	0.00% 414.7K shares	Q4 2022 Held for 2y 11m	$488.50B

Net Capital Flow

Institutional buying and selling activity for MYI in Q3 2025

Traded: +$5.1M
Buyers: 39
Sellers: 30
Total Bought: +$16.8M
Total Sold: −$11.7M
Avg Position: $2.0M

Biggest Buyers

Institution	Net Bought	Current Position
Hennion & Walsh Asset Management, Inc. RIA/Wealth	+$3.2M +287.6K shares	$17.1M 1.5M shares
Rareview Capital LLC ETF Provider	+$3.0M +287.9K shares	$3.0M 287.9K shares
K KIM, LLC Institution	+$2.3M +204.2K shares	$2.3M 204.2K shares
MORGAN STANLEY RIA/Wealth	+$2.0M +179.5K shares	$32.2M 2.9M shares
WELLS FARGO & COMPANY/MN Institution	+$1.1M +102.1K shares	$4.6M 414.7K shares
G GUGGENHEIM CAPITAL LLC Institution	+$719.0K +64.9K shares	$14.9M 1.3M shares
LLBH Private Wealth Management, LLC RIA/Wealth	+$624.0K +56.3K shares	$1.9M 172.6K shares
RAYMOND JAMES FINANCIAL INC RIA/Wealth	+$499.9K +45.1K shares	$10.6M 953.5K shares
CITY OF LONDON INVESTMENT MANAGEMENT CO LTD Long Only Manager	+$467.6K +42.2K shares	$4.3M 391.0K shares
L LPL Financial LLC Institution	+$405.9K +36.6K shares	$2.2M 197.1K shares

Biggest Sellers

Institution	Net Sold	Current Position
K Karpus Management, Inc. Institution	−$3.0M −271.4K shares	$624.9K 56.4K shares
ROBINSON CAPITAL MANAGEMENT, LLC Long Only Manager	−$2.1M −187.9K shares	$3.5M 316.8K shares
UBS Group AG Institution	−$1.3M −120.9K shares	$6.9M 618.8K shares
MACKAY SHIELDS LLC Long Only Manager	−$925.6K −88.2K shares	Sold Off 0 shares
BANK OF AMERICA CORP /DE/ Institution	−$663.4K −59.9K shares	$7.3M 654.7K shares
S STIFEL FINANCIAL CORP Long Only Manager	−$621.3K −56.1K shares	$11.7M 1.1M shares
R READYSTATE ASSET MANAGEMENT LP Hedge Fund•Multi-Strategy	−$324.8K −31.0K shares	Sold Off 0 shares
AMERIPRISE FINANCIAL INC Institution	−$280.3K −25.3K shares	$394.6K 35.6K shares
E ELEQUIN CAPITAL LP Hedge Fund•Multi-Strategy	−$276.3K −26.3K shares	Sold Off 0 shares
Crescent Grove Advisors, LLC RIA/Wealth	−$258.3K −23.2K shares	$443.9K 39.9K shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited MYI in Q3 2025

New Positions: 5
New Value: $562.7K
Exited Positions: 11
Exited Value: $2.4M

New Positions

Institution	Position Value
D Daner Wealth Management, LLC RIA/Wealth	$224.6K 20.4K shares
T TrueMark Investments, LLC Institution	$193.9K 17.5K shares
P Prestige Wealth Management Group LLC RIA/Wealth	$83.2K 7.5K shares
Sontag Advisory, LLC RIA/Wealth	$55.4K 5.0K shares
HIGHLINE WEALTH PARTNERS LLC RIA/Wealth	$5.5K 500.0 shares

Exited Positions

Institution	Previous Position
MACKAY SHIELDS LLC Long Only Manager	$925.6K 88.2K shares
R READYSTATE ASSET MANAGEMENT LP Hedge Fund•Multi-Strategy	$324.8K 31.0K shares
E ELEQUIN CAPITAL LP Hedge Fund•Multi-Strategy	$276.3K 26.3K shares
Summit Trail Advisors, LLC RIA/Wealth	$249.5K 23.7K shares
Vivaldi Capital Management, LLC RIA/Wealth	$145.6K 13.9K shares
LANDSCAPE CAPITAL MANAGEMENT, L.L.C. Hedge Fund•Market Neutral	$134.7K 12.8K shares
WOLVERINE ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy	$127.2K 12.1K shares
ENVESTNET ASSET MANAGEMENT INC Long Only Manager	$124.6K 11.9K shares
N NOMURA HOLDINGS INC Institution	$104.9K 10.0K shares
Geneos Wealth Management Inc. RIA/Wealth	$25.1K 2.4K shares

Options Activity

Institutions with the largest Call and Put options positions in MYI as of Q3 2025

Call Positions: 0
Call Value: -
Put Positions: 0
Put Value: -

Call Positions

Institution	Position Value
No call positions found

Put Positions

Institution	Position Value
No put positions found

Most Committed Institutions

Institutions with MYI as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
ROBINSON CAPITAL MANAGEMENT, LLC Long Only Manager	James Christopher Robinson CEO	2.57% $3.5M	0.00% 316.8K shares	Q4 2022 Held for 2y 11m	$136.7M
Rareview Capital LLC ETF Provider	Neil David Azous CIO	1.84% $3.0M	0.00% 287.9K shares	Q3 2025 Held for 2 months	$163.8M
MELFA WEALTH MANAGEMENT, LLC RIA/Wealth	Christopher L Wayne CEO	1.57% $2.7M	0.00% 240.8K shares	Q4 2022 Held for 2y 11m	$169.9M
RIVERNORTH CAPITAL MANAGEMENT, LLC Hedge Fund•Multi-Strategy	Patrick William Galley CEO	1.32% $21.8M	0.00% 2.0M shares	Q4 2022 Held for 2y 11m	$1.7B
Hennion & Walsh Asset Management, Inc. RIA/Wealth	Kevin Douglas Mahn President	0.62% $17.1M	0.00% 1.5M shares	Q3 2023 Held for 2y 2m	$2.8B
K KIM, LLC Institution	-	0.52% $2.3M	0.00% 204.2K shares	Q1 2024 Held for 1y 8m	$436.3M
CITY OF LONDON INVESTMENT MANAGEMENT CO LTD Long Only Manager	Thomas Wayne Griffith CEO	0.32% $4.3M	0.00% 391.0K shares	Q4 2022 Held for 2y 11m	$1.4B
LLBH Private Wealth Management, LLC RIA/Wealth	James Andrew Betzig CEO	0.15% $1.9M	0.00% 172.6K shares	Q1 2025 Held for 8 months	$1.3B
D Daner Wealth Management, LLC RIA/Wealth	Marc Steven Daner Managing Partner	0.15% $224.6K	0.00% 20.4K shares	Q3 2025 Held for 2 months	$154.0M
Cresta Advisors, Ltd. RIA/Wealth	Mark Lawrence Deutsch Partner	0.14% $299.2K	0.00% 27.0K shares	Q1 2025 Held for 8 months	$216.5M

Hedge Fund Spotlight

Discover hedge funds investing in MYI

Westchester Capital Management, LLC

Hedge Fund • Merger Arb

Portfolio ManagerGeorge Robert Aylward

Portfolio Value: $1.8B
Positions: 177
Last Reported: Q3 2025

Sector Allocation

Position in BlackRock Muniyield Quality Fund III

Market Value: $567.2K
Shares Held: 51.2K
Portfolio Weight: 0.03%
Owned Since: 2023-Q4

Top Holding	Sector	Market Value	Weight
1 Mr. Cooper Group Inc. COOP	Financial - Mortgages Financial Services	$155.2M	8.52%
2 Kellanova K	Packaged Foods Consumer Defensive	$139.5M	7.66%
3 CyberArk Software CYBR	Software - Infrastructure Technology	$134.3M	7.38%