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Ownership

Who owns BLACKROCK MUNIYIELD QUALITY FUND III, INC., from the filings themselves: stakes over 5% (Schedule 13D/G), the institutional managers reporting the stock each quarter (13F), and the funds holding it (N-PORT).

Stakes over 5%

Investors crossing 5% ownership must disclose it. Schedule 13G filers certify the stake is passive; Schedule 13D is the general form for everyone else — founders, strategic holders, and activists alike. Each entry is the holder's most recent disclosure. Coverage begins with SEC's structured filings from December 18, 2024; a holder appears once they file or amend after that date.

RIVERNORTH CAPITAL MANAGEMENT, LLC August 14, 2026

RIVERNORTH CAPITAL MANAGEMENT, LLC: 3.9% · 4,760,961 shares

TORONTO DOMINION INVESTMENTS LLC, TORONTO DOMINION HOLDINGS (U.S.A.), INC., TD GROUP US HOLDINGS LLC March 09, 2026

TORONTO DOMINION INVESTMENTS LLC: 100.0% · 5,877 shares — TORONTO DOMINION HOLDINGS (U.S.A.), INC.: 100.0% · 5,877 shares — TD GROUP US HOLDINGS LLC: 100.0% · 5,877 shares

Super investors holding MYI

Every institutional manager whose latest 13F reports this stock, largest position first. "% of their portfolio" is the weight inside that manager's own book — how much conviction the position represents; "% of company" is how much of BLACKROCK MUNIYIELD QUALITY FUND III, INC. they hold.

Investor Position value Shares % of their portfolio % of company As of
Karpus Management, Inc. $60.5M 5,442,103 1.74% June 30, 2026
RIVERNORTH CAPITAL MANAGEMENT, LLC $52.9M 4,760,961 2.51% June 30, 2026

188 more institutional holders behind a free account

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Funds holding MYI

Funds disclosing this stock in their monthly N-PORT portfolio, with the position's share of the fund's net assets.

Fund Position value % of net assets % of company As of
Robinson Tax Advantaged Income Fund $18M 8.07% June 30, 2026
RiverNorth Flexible Municipal Income Fund II Inc. $15M 4.21% June 30, 2026

24 more funds behind a free account

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