BlackRock Muniyield Quality Fund III, Inc.
MYI- Exchange
- NYSE
- SEC CIK
- 0000883412
No open-market purchases or sales by BlackRock Muniyield Quality Fund III, Inc. insiders were filed in the last 90 days; 156 institutions reported holding it in 13F filings for Q2 2026, worth $432.2M in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in BlackRock Muniyield Quality Fund III, Inc. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 156
- +7 vs. Q1 2026
- Shares held
- 38.9M
- −1.59M (−3.9%) vs. Q1 2026
- Total value
- $432.2M
- +$5.80M (+1.4%) vs. Q1 2026
- New holders
- 18
- 49 more added
- Sold out
- 11
- 39 more reduced
3 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MYI on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 156 | $432.2M |
| Q1 2026 | 152 | $429.7M |
| Q4 2025 | 109 | $209.3M |
| Q3 2025 | 94 | $198.9M |
| Q2 2025 | 97 | $198.8M |
| Q1 2025 | 100 | $206.5M |
| Q4 2024 | 102 | $210.2M |
| Q3 2024 | 100 | $225.3M |
| Q2 2024 | 108 | $223.1M |
| Q1 2024 | 104 | $294.0M |
| Q4 2023 | 105 | $297.2M |
| Q3 2023 | 102 | $232.9M |
| Q2 2023 | 98 | $258.8M |
| Q1 2023 | 98 | $274.8M |
| Q4 2022 | 107 | $273.4M |
| Q3 2022 | 101 | $221.3M |
| Q2 2022 | 101 | $254.5M |
| Q1 2022 | 106 | $267.0M |
| Q4 2021 | 104 | $318.4M |
| Q3 2021 | 100 | $296.8M |
| Q2 2021 | 104 | $335.3M |
| Q1 2021 | 105 | $336.1M |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding BlackRock Muniyield Quality Fund III, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Karpus Management, Inc. | 5,442,103 | $60.5M | 1.74% | −234,550−4.1% | Reduced |
| Rivernorth Capital Management, LLC | 4,760,961 | $52.9M | 2.51% | −493,372−9.4% | Reduced |
| Morgan Stanley | 4,633,185 | $51.5M | 0.00% | +396,414+9.4% | Added |
| Guggenheim Capital LLC | 2,170,971 | $24.1M | 0.16% | −79,417−3.5% | Reduced |
| Sit Investment Associates Inc | 1,832,694 | $20.4M | 0.39% | −867,602−32.1% | Reduced |
| Robinson Capital Management, LLC | 1,619,778 | $18.0M | 7.95% | 00.0% | Unchanged |
| Raymond James Financial Inc | 1,496,850 | $16.6M | 0.00% | −100,987−6.3% | Reduced |
| UBS Group AG | 1,496,088 | $16.6M | 0.00% | +637,292+74.2% | Added |
| Stifel Financial Corp | 1,180,601 | $13.1M | 0.01% | +99,506+9.2% | Added |
| Bank of America Corp | 1,172,621 | $13.0M | 0.00% | −619−0.1% | Reduced |
| Van Eck Associates Corp | 973,208 | $10.8M | 0.01% | +24,636+2.6% | Added |
| Pathstone Holdings, LLC | 733,117 | $8.14M | 0.02% | −162,168−18.1% | Reduced |
| Wells Fargo & Company | 681,631 | $7.57M | 0.00% | +60,253+9.7% | Added |
| Allspring Global Investments Holdings, LLC | 592,962 | $6.59M | 0.01% | +55,182+10.3% | Added |
| LPL Financial LLC | 583,047 | $6.48M | 0.00% | +45,800+8.5% | Added |
| City of London Investment Management Co Ltd | 527,505 | $5.86M | 0.35% | 00.0% | Unchanged |
| Allianz Asset Management GmbH | 490,934 | $5.45M | 0.01% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 481,790 | $5.35M | 0.01% | +32,194+7.2% | Added |
| Mackay Shields LLC | 439,004 | $4.88M | 0.16% | −87,252−16.6% | Reduced |
| Capital Investment Advisors, LLC | 394,802 | $4.39M | 0.06% | −6,334−1.6% | Reduced |
| Melfa Wealth Management, LLC | 385,248 | $4.28M | 2.31% | −33,982−8.1% | Reduced |
| Cohen & Steers, Inc. | 383,952 | $4.27M | 0.01% | −8,200−2.1% | Reduced |
| Rareview Capital LLC | 385,009 | $4.04M | 2.26% | −76,034−16.5% | Reduced |
| Royal Bank of Canada | 348,553 | $3.87M | 0.00% | −1,070−0.3% | Reduced |
| Commonwealth Equity Services, LLC | 282,258 | $3.14M | 0.00% | +11,002+4.1% | Added |
| Invesco Ltd. | 265,918 | $2.95M | 0.00% | −74,684−21.9% | Reduced |
| Fiera Capital Corp | 230,403 | $2.56M | 0.01% | −6,944−2.9% | Reduced |
| Kim, LLC | 205,238 | $2.28M | 0.31% | +1,053+0.5% | Added |
| The PNC Financial Services Group, Inc. | 190,450 | $2.12M | 0.00% | −1,802−0.9% | Reduced |
| Ameriprise Financial Inc | 185,748 | $2.06M | 0.00% | +21,894+13.4% | Added |
| Coastal Bridge Advisors, LLC | 175,514 | $1.95M | 0.12% | +1,086+0.6% | Added |
| Scarborough Advisors, LLC | 169,362 | $1.85M | 0.21% | 00.0% | Unchanged |
| Dakota Wealth Management | 145,372 | $1.62M | 0.03% | +720+0.5% | Added |
| Concurrent Investment Advisors, LLC | 138,130 | $1.53M | 0.01% | +7,953+6.1% | Added |
| Professional Financial Management, Inc. | 138,060 | $1.53M | 1.56% | −10,661−7.2% | Reduced |
| Horizon Kinetics Asset Management LLC | 136,538 | $1.52M | 0.02% | −71,456−34.4% | Reduced |
| Advisor Group Holdings, Inc. | 130,071 | $1.45M | 0.00% | +86,662+199.6% | Added |
| 1607 Capital Partners, LLC | 126,885 | $1.41M | 0.12% | −82,623−39.4% | Reduced |
| HighTower Advisors, LLC | 122,946 | $1.37M | 0.00% | +11,622+10.4% | Added |
| Westview Management dba Westview Investment Advisors | 115,250 | $1.28M | 0.63% | +95,350+479.1% | Added |
| Westchester Capital Management, LLC | 112,436 | $1.25M | 0.06% | 00.0% | Unchanged |
| Summit Trail Advisors, LLC | 111,231 | $1.24M | 0.02% | +6,751+6.5% | Added |
| Toronto Dominion Bank | 106,071 | $1.18M | 0.00% | −18,461−14.8% | Reduced |
| Estate Planners Group, LLC | 99,844 | $1.11M | 0.50% | +492+0.5% | Added |
| Indiana Trust & Investment Management CO | 91,249 | $1.01M | 0.28% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 87,068 | $967.3K | 0.00% | −10,078−10.4% | Reduced |
| Moors & Cabot, Inc. | 72,513 | $805.6K | 0.03% | +4,581+6.7% | Added |
| Riverbridge Partners LLC | 71,237 | $791.4K | 0.02% | −2,435−3.3% | Reduced |
| Advisory Services Network, LLC | 69,039 | $767.0K | 0.01% | +2,000+3.0% | Added |
| Janney Montgomery Scott LLC | 67,530 | $750.0K | 0.00% | +67,530 | New |
| Lido Advisors, LLC | 66,879 | $746.7K | 0.00% | 00.0% | Unchanged |
| Cambridge Investment Research Advisors, Inc. | 66,540 | $740.0K | 0.00% | +22,983+52.8% | Added |
| Chicago Partners Investment Group LLC | 68,016 | $731.2K | 0.01% | 00.0% | Unchanged |
| Noble Wealth Management PBC | 62,472 | $694.1K | 0.32% | +8,800+16.4% | Added |
| Oppenheimer & Co Inc | 60,240 | $669.3K | 0.01% | +8,636+16.7% | Added |
| Atala Financial Inc | 54,739 | $635.0K | 0.39% | 00.0% | Unchanged |
| Wellspring Financial Advisors, LLC | 56,563 | $628.4K | 0.04% | 00.0% | Unchanged |
| Callahan Advisors, LLC | 55,692 | $618.7K | 0.05% | 00.0% | Unchanged |
| Cetera Investment Advisers | 53,207 | $591.1K | 0.00% | +14,067+35.9% | Added |
| Kestra Advisory Services, LLC | 46,885 | $523.5K | 0.00% | +2,408+5.4% | Added |
| Eastern Bank | 46,635 | $518.1K | 0.01% | +18,315+64.7% | Added |
| Readystate Asset Management LP | 45,966 | $510.7K | 0.02% | +45,966 | New |
| Ackerman Capital Advisors, LLC | 43,820 | $486.8K | 0.10% | −17,392−28.4% | Reduced |
| Steward Partners Investment Advisory, LLC | 40,907 | $454.5K | 0.00% | +13,698+50.3% | Added |
| Hollencrest Capital Management | 40,841 | $453.7K | 0.03% | −5,435−11.7% | Reduced |
| Balyasny Asset Management LLC | 40,621 | $451.3K | 0.00% | −94,189−69.9% | Reduced |
| Wiley Bros.-Aintree Capital, LLC | 40,186 | $446.5K | 0.00% | −1,446−3.5% | Reduced |
| Integrated Wealth Concepts LLC | 37,434 | $415.9K | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 37,171 | $413.0K | 0.00% | +37,171 | New |
| Nuveen, LLC | 36,296 | $403.2K | 0.00% | 00.0% | Unchanged |
| Virtue Asset Management LLC | 35,606 | $395.6K | 0.28% | 00.0% | Unchanged |
| Jane Street Group, LLC | 33,469 | $371.8K | 0.00% | −20,075−37.5% | Reduced |
| Kapstone Financial Advisors LLC | 33,145 | $368.2K | 0.15% | −5,480−14.2% | Reduced |
| Mariner, LLC | 32,018 | $355.7K | 0.00% | +15,565+94.6% | Added |
| Closed-End Fund Advisors, Inc. | 30,881 | $343.1K | 0.34% | 00.0% | Unchanged |
| Rothschild Investment LLC | 30,663 | $340.7K | 0.01% | +19,163+166.6% | Added |
| Mercer Global Advisors Inc | 29,246 | $324.9K | 0.00% | −10.0% | Reduced |
| Benjamin Edwards Inc | 29,161 | $324.0K | 0.00% | 00.0% | Unchanged |
| Yakira Capital Management, Inc. | 27,511 | $305.6K | 0.09% | −1,151−4.0% | Reduced |
| Verdence Capital Advisors LLC | 27,188 | $302.1K | 0.02% | +223+0.8% | Added |
| Ashton Thomas Private Wealth, LLC | 27,000 | $300.0K | 0.01% | +7,500+38.5% | Added |
| Cresta Advisors, Ltd. | 27,000 | $300.0K | 0.11% | +27,000 | New |
| River Street Advisors LLC | 26,766 | $297.4K | 0.09% | 00.0% | Unchanged |
| SFMG, LLC | 26,645 | $296.0K | 0.02% | 00.0% | Unchanged |
| Davis Investment Partners, LLC | 26,103 | $290.0K | 0.09% | +264+1.0% | Added |
| RSM US Wealth Management LLC | 23,425 | $261.6K | 0.00% | +7,414+46.3% | Added |
| Worth Asset Management, LLC | 22,999 | $255.5K | 0.08% | +22,999 | New |
| Kore Advisors LP | 22,000 | $244.4K | 0.28% | +22,000 | New |
| Citadel Advisors LLC | 20,276 | $225.3K | 0.00% | +9,881+95.1% | Added |
| Daner Wealth Management, LLC | 20,417 | $222.1K | 0.12% | 00.0% | Unchanged |
| Camelot Portfolios, LLC | 19,195 | $213.3K | 0.15% | −1,915−9.1% | Reduced |
| Truist Financial Corp | 19,095 | $212.1K | 0.00% | +115+0.6% | Added |
| XTX Topco Ltd | 18,530 | $205.9K | 0.00% | +18,530 | New |
| Fortitude Advisory Group L.L.C. | 18,010 | $200.1K | 0.08% | 00.0% | Unchanged |
| Envestnet Asset Management Inc | 17,881 | $198.7K | 0.00% | +17,881 | New |
| M&T Bank Corp | 16,994 | $188.3K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 16,509 | $183.4K | 0.00% | −10,113−38.0% | Reduced |
| Equitable Holdings, Inc. | 15,899 | $176.6K | 0.00% | −300−1.9% | Reduced |
| Savvy Advisors, Inc. | 15,656 | $173.9K | 0.00% | +239+1.6% | Added |
| Northern Trust Corp | 15,267 | $169.6K | 0.00% | −11,227−42.4% | Reduced |