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 $431.8M 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
- −1.63M (−4.0%) vs. Q1 2026
- Total value
- $431.8M
- +$5.43M (+1.3%) vs. Q1 2026
- New holders
- 18
- 48 more added
- Sold out
- 11
- 40 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 | $431.8M |
| Q1 2026 | 152 | $429.7M |
| Q4 2025 | 109 | $209.3M |
| Q3 2025 | 94 | $198.9M |
| Q2 2025 | 97 | $193.5M |
| Q1 2025 | 100 | $206.5M |
| Q4 2024 | 102 | $210.2M |
| Q3 2024 | 100 | $221.6M |
| Q2 2024 | 108 | $223.1M |
| Q1 2024 | 104 | $246.3M |
| Q4 2023 | 105 | $273.8M |
| 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 | $296.1M |
| Q2 2021 | 104 | $335.3M |
| Q1 2021 | 105 | $333.4M |
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 |
|---|---|---|---|---|---|
| Wellspring Financial Advisors, LLC | 56,563 | $628.4K | 0.04% | 00.0% | Unchanged |
| Atala Financial Inc | 54,739 | $635.0K | 0.39% | 00.0% | Unchanged |
| Oppenheimer & Co Inc | 60,240 | $669.3K | 0.01% | +8,636+16.7% | Added |
| Noble Wealth Management PBC | 62,472 | $694.1K | 0.32% | +8,800+16.4% | Added |
| Chicago Partners Investment Group LLC | 68,016 | $731.2K | 0.01% | 00.0% | Unchanged |
| Lido Advisors, LLC | 66,879 | $746.7K | 0.00% | 00.0% | Unchanged |
| Janney Montgomery Scott LLC | 67,530 | $750.0K | 0.00% | +67,530 | New |
| Advisory Services Network, LLC | 69,039 | $767.0K | 0.01% | +2,000+3.0% | Added |
| Riverbridge Partners LLC | 71,237 | $791.4K | 0.02% | −2,435−3.3% | Reduced |
| Moors & Cabot, Inc. | 72,513 | $805.6K | 0.03% | +4,581+6.7% | Added |
| Bank of New York Mellon Corp | 87,068 | $967.3K | 0.00% | −10,078−10.4% | Reduced |
| Indiana Trust & Investment Management CO | 91,249 | $1.01M | 0.28% | 00.0% | Unchanged |
| Estate Planners Group, LLC | 99,844 | $1.11M | 0.50% | +492+0.5% | Added |
| Toronto Dominion Bank | 106,071 | $1.18M | 0.00% | −18,461−14.8% | Reduced |
| Summit Trail Advisors, LLC | 111,231 | $1.24M | 0.02% | +6,751+6.5% | Added |
| Westchester Capital Management, LLC | 112,436 | $1.25M | 0.06% | 00.0% | Unchanged |
| Westview Management dba Westview Investment Advisors | 115,250 | $1.28M | 0.63% | +95,350+479.1% | Added |
| HighTower Advisors, LLC | 122,946 | $1.37M | 0.00% | +11,622+10.4% | Added |
| 1607 Capital Partners, LLC | 126,885 | $1.41M | 0.12% | −82,623−39.4% | Reduced |
| Advisor Group Holdings, Inc. | 130,071 | $1.45M | 0.00% | +86,662+199.6% | Added |
| Horizon Kinetics Asset Management LLC | 136,538 | $1.52M | 0.02% | −71,456−34.4% | Reduced |
| Professional Financial Management, Inc. | 138,060 | $1.53M | 1.56% | −10,661−7.2% | Reduced |
| Concurrent Investment Advisors, LLC | 138,130 | $1.53M | 0.01% | +7,953+6.1% | Added |
| Dakota Wealth Management | 145,372 | $1.62M | 0.03% | +720+0.5% | Added |
| Scarborough Advisors, LLC | 169,362 | $1.85M | 0.21% | 00.0% | Unchanged |
| Coastal Bridge Advisors, LLC | 175,514 | $1.95M | 0.12% | +1,086+0.6% | Added |
| Ameriprise Financial Inc | 185,748 | $2.06M | 0.00% | +21,894+13.4% | Added |
| The PNC Financial Services Group, Inc. | 190,450 | $2.12M | 0.00% | −1,802−0.9% | Reduced |
| Kim, LLC | 205,238 | $2.28M | 0.31% | +1,053+0.5% | Added |
| Fiera Capital Corp | 230,403 | $2.56M | 0.01% | −6,944−2.9% | Reduced |
| Invesco Ltd. | 265,918 | $2.95M | 0.00% | −74,684−21.9% | Reduced |
| Commonwealth Equity Services, LLC | 282,258 | $3.14M | 0.00% | +11,002+4.1% | Added |
| Royal Bank of Canada | 348,553 | $3.87M | 0.00% | −1,070−0.3% | Reduced |
| Rareview Capital LLC | 385,009 | $4.04M | 2.26% | −76,034−16.5% | Reduced |
| Cohen & Steers, Inc. | 383,952 | $4.27M | 0.01% | −8,200−2.1% | Reduced |
| Melfa Wealth Management, LLC | 385,248 | $4.28M | 2.31% | −33,982−8.1% | Reduced |
| Capital Investment Advisors, LLC | 394,802 | $4.39M | 0.06% | −6,334−1.6% | Reduced |
| Mackay Shields LLC | 439,004 | $4.88M | 0.16% | −87,252−16.6% | Reduced |
| Rockefeller Capital Management L.P. | 481,790 | $5.35M | 0.01% | +32,194+7.2% | Added |
| Allianz Asset Management GmbH | 490,934 | $5.45M | 0.01% | 00.0% | Unchanged |
| City of London Investment Management Co Ltd | 527,505 | $5.86M | 0.35% | 00.0% | Unchanged |
| LPL Financial LLC | 583,047 | $6.48M | 0.00% | +45,800+8.5% | Added |
| Allspring Global Investments Holdings, LLC | 592,962 | $6.59M | 0.01% | +55,182+10.3% | Added |
| Wells Fargo & Company | 681,631 | $7.57M | 0.00% | +60,253+9.7% | Added |
| Pathstone Holdings, LLC | 733,117 | $8.14M | 0.02% | −162,168−18.1% | Reduced |
| Van Eck Associates Corp | 973,208 | $10.8M | 0.01% | +24,636+2.6% | Added |
| Bank of America Corp | 1,172,621 | $13.0M | 0.00% | −619−0.1% | Reduced |
| Stifel Financial Corp | 1,180,601 | $13.1M | 0.01% | +99,506+9.2% | Added |
| UBS Group AG | 1,496,088 | $16.6M | 0.00% | +637,292+74.2% | Added |
| Raymond James Financial Inc | 1,496,850 | $16.6M | 0.00% | −100,987−6.3% | Reduced |
| Robinson Capital Management, LLC | 1,619,778 | $18.0M | 7.95% | 00.0% | Unchanged |
| Sit Investment Associates Inc | 1,832,694 | $20.4M | 0.39% | −867,602−32.1% | Reduced |
| Guggenheim Capital LLC | 2,170,971 | $24.1M | 0.16% | −79,417−3.5% | Reduced |
| Morgan Stanley | 4,633,185 | $51.5M | 0.00% | +396,414+9.4% | Added |
| Rivernorth Capital Management, LLC | 4,760,961 | $52.9M | 2.51% | −493,372−9.4% | Reduced |
| Karpus Management, Inc. | 5,442,103 | $60.5M | 1.74% | −234,550−4.1% | Reduced |
| Advisors Asset Management, Inc. | 0 | $0 | 0.00% | −981,253−100.0% | Sold out |
| Stratos Wealth Partners, LTD. | 0 | $0 | 0.00% | −36,806−100.0% | Sold out |
| Private Advisor Group, LLC | 0 | $0 | 0.00% | −19,100−100.0% | Sold out |
| Central Trust Co | 0 | $0 | 0.00% | −19,000−100.0% | Sold out |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −16,000−100.0% | Sold out |
| Ameritas Advisory Services, LLC | 0 | $0 | 0.00% | −3,160−100.0% | Sold out |
| Allworth Financial LP | 0 | $0 | 0.00% | −2,008−100.0% | Sold out |
| GHP Investment Advisors, Inc. | 0 | $0 | 0.00% | −1,178−100.0% | Sold out |
| BlackRock, Inc. | 0 | $0 | 0.00% | −715−100.0% | Sold out |
| Abound Wealth Management | 0 | $0 | 0.00% | −572−100.0% | Sold out |
| Hilton Head Capital Partners, LLC | 0 | $0 | 0.00% | −441−100.0% | Sold out |
| Leo Wealth, LLC | – | – | – | – | Not filed |
| U.S. Capital Wealth Advisors, LLC | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |