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MYI

Blackrock Muniyield Quality Fund III, Inc.
$11.07 +0.08 (+0.73%) At close · Jul 14
Market Cap
$731.14M
Shares
66,467,251

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.

The Jun 30, 2026 filing window is still open — showing the latest known positions. Funds that have not filed yet carry their prior-quarter positions; a fund that filed without this stock counts as sold out.
Holders: 154
Total Value: $429,779,591
Total Shares: 40,879,316
Showing 1–100 of 154 holdings by value · page 1 of 2

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 153 13F filers
Top Holder
13.9%
Jun 2023 → Mar 2026 · range 11.4% – 19.6%
of institutional value
Top 5
49.3%
Jun 2023 → Mar 2026 · range 42.7% – 59.4%
of institutional value
Top 10
65.1%
Jun 2023 → Mar 2026 · range 61.5% – 76.1%
of institutional value
HHI
629
Jun 2023 → Mar 2026 · range 528 – 888
Broadly held
Showing 100 of 154
All Common Calls Puts
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Holder Value (USD) % of 13F Shares Open
Mid Karpus Management, Inc. $59,661,623 13.88% 5,676,653
Mid RIVERNORTH CAPITAL MANAGEMENT, LLC $55,223,039 12.85% 5,254,333
Mega MORGAN STANLEY $44,528,461 10.36% 4,236,771
Mid SIT INVESTMENT ASSOCIATES INC $28,380,110 6.60% 2,700,296
Large GUGGENHEIM CAPITAL LLC $23,651,577 5.50% 2,250,388
Small ROBINSON CAPITAL MANAGEMENT, LLC $17,023,866 3.96% 1,619,778
Mega RAYMOND JAMES FINANCIAL INC $16,793,266 3.91% 1,597,837
Mega BANK OF AMERICA CORP /DE/ Bank $12,330,751 2.87% 1,173,240
Large STIFEL FINANCIAL CORP $11,362,308 2.64% 1,081,095
Mid Advisors Asset Management, Inc. $10,312,969 2.40% 981,253
Mega VAN ECK ASSOCIATES CORP $9,969,491 2.32% 948,572
Large Pathstone Holdings, LLC $9,409,445 2.19% 895,285
Mega UBS Group AG $9,025,945 2.10% 858,796
Mega WELLS FARGO & COMPANY/MN $6,530,682 1.52% 621,378
Large Allspring Global Investments Holdings, LLC $5,652,067 1.32% 537,780
Mega LPL Financial LLC $5,646,465 1.31% 537,247
Mid CITY OF LONDON INVESTMENT MANAGEMENT CO LTD $5,544,077 1.29% 527,505
Small MACKAY SHIELDS LLC $5,530,949 1.29% 526,256
Large Allianz Asset Management GmbH $5,159,716 1.20% 490,934
Small Rareview Capital LLC $4,845,561 1.13% 461,043
Large Rockefeller Capital Management L.P. $4,725,253 1.10% 449,596
Small MELFA WEALTH MANAGEMENT, INC. $4,406,107 1.03% 419,230
Mid Capital Investment Advisors, LLC $4,215,939 0.98% 401,136
Large COHEN & STEERS, INC. $4,121,517 0.96% 392,152
Mega ROYAL BANK OF CANADA Bank $3,674,537 0.85% 349,623
Mega Invesco Ltd. $3,579,727 0.83% 340,602
Small Leo Wealth, LLC $2,888,946 0.67% 274,876
Large COMMONWEALTH EQUITY SERVICES, LLC $2,850,900 0.66% 271,256
Large Fiera Capital Corp $2,494,516 0.58% 237,347
Small 1607 Capital Partners, LLC $2,201,929 0.51% 209,508
Mid HORIZON KINETICS ASSET MANAGEMENT LLC $2,186,016 0.51% 207,994
Small KIM, LLC $2,145,984 0.50% 204,185
Mega PNC FINANCIAL SERVICES GROUP, INC. $2,020,568 0.47% 192,252
Small Coastal Bridge Advisors, LLC $1,833,238 0.43% 174,428
Micro Scarborough Advisors, LLC $1,779,994 0.41% 169,362
Mega AMERIPRISE FINANCIAL INC $1,722,105 0.40% 163,854
Micro Professional Financial Management, Inc. $1,563,057 0.36% 148,721
Mid Dakota Wealth Management $1,520,292 0.35% 144,652
Large Balyasny Asset Management L.P. $1,416,853 0.33% 134,810
Mid Concurrent Investment Advisors, LLC $1,368,160 0.32% 130,177
Large TORONTO DOMINION BANK Bank $1,308,831 0.30% 124,532
Mid Westchester Capital Management, LLC $1,181,701 0.27% 112,436
Large HighTower Advisors, LLC $1,170,015 0.27% 111,324
Mid Summit Trail Advisors, LLC $1,098,084 0.26% 104,480
Small Estate Planners Group, LLC $1,044,189 0.24% 99,352
Mega Bank of New York Mellon Corp Bank $1,021,003 0.24% 97,146
Small Indiana Trust & Investment Management Co $959,026 0.22% 91,249
Mid RIVERBRIDGE PARTNERS LLC $791,443 0.18% 71,237
Mid Chicago Partners Investment Group LLC $714,848 0.17% 68,016
Mid Moors & Cabot, Inc. $713,965 0.17% 67,932
Mid Advisory Services Network, LLC $704,579 0.16% 67,039
Large Lido Advisors, LLC $702,898 0.16% 66,879
Small Noble Wealth Management PBC $694,063 0.16% 62,472
Micro Ackerman Capital Advisors, LLC $643,338 0.15% 61,212
Mid Wellspring Financial Advisors, LLC $594,477 0.14% 56,563
Mid Callahan Advisors, LLC $585,322 0.14% 55,692
Small Atala Financial Inc $575,306 0.13% 54,739
Mega JANE STREET GROUP, LLC $562,746 0.13% 53,544
Mid OPPENHEIMER & CO INC $542,358 0.13% 51,604
Mid EASTERN BANK Bank $518,114 0.12% 46,635
Mid HOLLENCREST CAPITAL MANAGEMENT $486,360 0.11% 46,276
Large Kestra Advisory Services, LLC $467,453 0.11% 44,477
Large Cambridge Investment Research Advisors, Inc. $457,784 0.11% 43,557
Large OSAIC HOLDINGS, INC. $456,228 0.11% 43,409
Large &PARTNERS $437,552 0.10% 41,632
Large Cetera Investment Advisers $411,361 0.10% 39,140
Small Kapstone Financial Advisors LLC $405,948 0.09% 38,625
Mid Integrated Wealth Concepts LLC $393,431 0.09% 37,434
Mid Stratos Wealth Partners, LTD. $386,831 0.09% 36,806
Mega Nuveen, LLC $381,470 0.09% 36,296
Micro VIRTUE ASSET MANAGEMENT LLC $374,219 0.09% 35,606
Mid U.S. Capital Wealth Advisors, LLC $332,210 0.08% 31,609
Micro Closed-End Fund Advisors, Inc. $324,559 0.08% 30,881
Large MERCER GLOBAL ADVISORS INC /ADV $307,385 0.07% 29,247
Mid BENJAMIN EDWARDS INC $306,482 0.07% 29,161
Small Yakira Capital Management, Inc. $301,237 0.07% 28,662
Large Steward Partners Investment Advisory, LLC $285,966 0.07% 27,209
Mid Verdence Capital Advisors LLC $283,402 0.07% 26,965
Small River Street Advisors LLC $281,310 0.07% 26,766
Small SFMG, LLC $280,038 0.07% 26,645
Large US BANCORP \DE\ Bank $279,796 0.07% 26,622
Mega NORTHERN TRUST CORP Bank $278,451 0.06% 26,494
Small Davis Investment Partners, LLC $271,567 0.06% 25,839
Micro Worth Asset Management, LLC $255,518 0.06% 22,999
Small Camelot Portfolios, LLC $221,866 0.05% 21,110
Micro Daner Wealth Management, LLC $214,582 0.05% 20,417
Micro Westview Management dba Westview Investment Advisors $209,149 0.05% 19,900
Mid Ashton Thomas Private Wealth, LLC $204,945 0.05% 19,500
Mid Private Advisor Group, LLC $200,741 0.05% 19,100
Mid CENTRAL TRUST Co Bank $199,690 0.05% 19,000
Large TRUIST FINANCIAL CORP $199,479 0.05% 18,980
Small Fortitude Advisory Group L.L.C. $189,285 0.04% 18,010
Large M&T Bank Corp Bank $175,294 0.04% 16,679
Large Mariner, LLC $172,921 0.04% 16,453
Mid Equitable Holdings, Inc. $170,251 0.04% 16,199
Mid CHOREO, LLC $168,275 0.04% 16,011
Large NOMURA HOLDINGS INC $168,160 0.04% 16,000
Mega FIRST TRUST ADVISORS LP $165,543 0.04% 15,751
Mid Savvy Advisors, Inc. $162,032 0.04% 15,417
Mid CX Institutional $155,540 0.04% 14,000
Key facts CIK 883412 CUSIP 09254E103 13F (30d) 8 filings 8 filers Visit website Investor relations

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