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, Q4 2025
Institutional positions in BlackRock Muniyield Quality Fund III, Inc. as of Dec 31, 2025. 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
- 109
- +17 vs. Q3 2025
- Shares held
- 19.3M
- +1.34M (+7.4%) vs. Q3 2025
- Total value
- $209.3M
- +$10.8M (+5.4%) vs. Q3 2025
- New holders
- 26
- 34 more added
- Sold out
- 9
- 21 more reduced
2 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: 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, Q4 2025
Shares, value and share of portfolio for each institution holding BlackRock Muniyield Quality Fund III, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Morgan Stanley | 3,039,217 | $33.0M | 0.00% | +135,864+4.7% | Added |
| Rivernorth Capital Management, LLC | 1,751,449 | $19.0M | 0.90% | −218,727−11.1% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 1,554,195 | $16.9M | 0.58% | +12,912+0.8% | Added |
| Guggenheim Capital LLC | 1,435,436 | $15.6M | 0.11% | +89,854+6.7% | Added |
| Stifel Financial Corp | 997,529 | $10.8M | 0.01% | −56,342−5.3% | Reduced |
| Raymond James Financial Inc | 874,475 | $9.51M | 0.00% | −78,982−8.3% | Reduced |
| Bank of America Corp | 656,780 | $7.14M | 0.00% | +2,119+0.3% | Added |
| UBS Group AG | 637,653 | $6.93M | 0.00% | +18,893+3.1% | Added |
| Robinson Capital Management, LLC | 524,385 | $5.70M | 2.39% | +207,592+65.5% | Added |
| Advisors Asset Management, Inc. | 512,926 | $5.58M | 0.09% | +102,753+25.1% | Added |
| Van Eck Associates Corp | 504,046 | $5.48M | 0.00% | +66,603+15.2% | Added |
| Allianz Asset Management GmbH | 490,934 | $5.34M | 0.01% | 00.0% | Unchanged |
| Fiera Capital Corp | 427,965 | $4.65M | 0.01% | +427,965 | New |
| Wells Fargo & Company | 395,173 | $4.30M | 0.00% | −19,564−4.7% | Reduced |
| City of London Investment Management Co Ltd | 391,043 | $4.25M | 0.32% | 00.0% | Unchanged |
| Karpus Management, Inc. | 375,708 | $4.08M | 0.13% | +319,308+566.1% | Added |
| Rareview Capital LLC | 377,478 | $3.96M | 2.57% | +89,571+31.1% | Added |
| Rockefeller Capital Management L.P. | 249,293 | $2.71M | 0.00% | +2,055+0.8% | Added |
| Melfa Wealth Management, LLC | 236,350 | $2.57M | 1.48% | −4,491−1.9% | Reduced |
| Capital Investment Advisors, LLC | 224,258 | $2.44M | 0.04% | −21,276−8.7% | Reduced |
| Royal Bank of Canada | 220,209 | $2.39M | 0.00% | −4,258−1.9% | Reduced |
| Sit Investment Associates Inc | 204,688 | $2.23M | 0.04% | −57,778−22.0% | Reduced |
| Kim, LLC | 204,185 | $2.22M | 0.25% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 191,984 | $2.09M | 0.00% | +6,891+3.7% | Added |
| Invesco Ltd. | 176,336 | $1.92M | 0.00% | +8,807+5.3% | Added |
| Coastal Bridge Advisors, LLC | 173,968 | $1.89M | 0.14% | +1,366+0.8% | Added |
| Cohen & Steers, Inc. | 166,757 | $1.81M | 0.00% | 00.0% | Unchanged |
| LPL Financial LLC | 163,018 | $1.77M | 0.00% | −34,042−17.3% | Reduced |
| Balyasny Asset Management LLC | 140,110 | $1.52M | 0.00% | +140,110 | New |
| Allspring Global Investments Holdings, LLC | 135,092 | $1.47M | 0.00% | 00.0% | Unchanged |
| Horizon Kinetics Asset Management LLC | 102,099 | $1.11M | 0.02% | 00.0% | Unchanged |
| Estate Planners Group, LLC | 99,688 | $1.08M | 0.47% | +99,688 | New |
| Jane Street Group, LLC | 98,858 | $1.07M | 0.00% | +77,947+372.8% | Added |
| The PNC Financial Services Group, Inc. | 84,326 | $916.6K | 0.00% | +5,000+6.3% | Added |
| GWM Advisors LLC | 74,257 | $807.2K | 0.00% | −128,028−63.3% | Reduced |
| HighTower Advisors, LLC | 66,746 | $725.5K | 0.00% | −46,584−41.1% | Reduced |
| Scarborough Advisors, LLC | 63,000 | $684.8K | 0.12% | 00.0% | Unchanged |
| Advisory Services Network, LLC | 58,798 | $639.1K | 0.01% | +7,458+14.5% | Added |
| Westchester Capital Management, LLC | 51,189 | $556.4K | 0.03% | 00.0% | Unchanged |
| Logan Stone Capital, LLC | 43,600 | $473.9K | 0.12% | +43,600 | New |
| Virtu Financial LLC | 41,337 | $449.0K | 0.02% | +41,337 | New |
| Landscape Capital Management, L.L.C. | 39,527 | $429.7K | 0.03% | +39,527 | New |
| First Western Trust Bank | 39,221 | $426.3K | 0.02% | 00.0% | Unchanged |
| Ashton Thomas Private Wealth, LLC | 38,279 | $416.1K | 0.01% | +5,440+16.6% | Added |
| Concurrent Investment Advisors, LLC | 37,466 | $407.3K | 0.00% | +636+1.7% | Added |
| HRT Financial LP | 33,680 | $366.0K | 0.00% | +19,996+146.1% | Added |
| Moors & Cabot, Inc. | 32,890 | $357.5K | 0.02% | +4,800+17.1% | Added |
| Readystate Asset Management LP | 32,790 | $356.4K | 0.02% | +32,790 | New |
| Crescent Grove Advisors, LLC | 31,350 | $340.8K | 0.03% | −8,515−21.4% | Reduced |
| Janney Montgomery Scott LLC | 28,420 | $309.0K | 0.00% | +2,520+9.7% | Added |
| XTX Topco Ltd | 28,308 | $307.7K | 0.01% | +28,308 | New |
| Cresta Advisors, Ltd. | 27,000 | $293.5K | 0.12% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 25,486 | $277.0K | 0.00% | −10,126−28.4% | Reduced |
| Advisor Group Holdings, Inc. | 23,092 | $251.0K | 0.00% | +2,519+12.2% | Added |
| Hollencrest Capital Management | 22,896 | $248.9K | 0.01% | 00.0% | Unchanged |
| Wiley Bros.-Aintree Capital, LLC | 22,554 | $245.2K | 0.00% | +22,554 | New |
| US Bancorp | 22,538 | $245.0K | 0.00% | 00.0% | Unchanged |
| Cetera Investment Advisers | 22,208 | $241.4K | 0.00% | +7,900+55.2% | Added |
| Summit Trail Advisors, LLC | 21,253 | $231.0K | 0.00% | +21,253 | New |
| Daner Wealth Management, LLC | 20,417 | $228.9K | 0.14% | 00.0% | Unchanged |
| Mercer Global Advisors Inc | 20,986 | $228.1K | 0.00% | −900−4.1% | Reduced |
| Pathway Financial Advisers, LLC | 20,870 | $226.9K | 0.07% | +2,172+11.6% | Added |
| Plancorp, LLC | 20,000 | $217.4K | 0.01% | 00.0% | Unchanged |
| Camelot Portfolios, LLC | 19,731 | $214.5K | 0.13% | +2,730+16.1% | Added |
| Westview Management dba Westview Investment Advisors | 19,600 | $213.1K | 0.10% | +19,600 | New |
| Private Advisor Group, LLC | 19,100 | $207.6K | 0.00% | −57−0.3% | Reduced |
| Citadel Advisors LLC | 18,204 | $197.9K | 0.00% | +18,204 | New |
| TrueMark Investments, LLC | 17,943 | $195.0K | 0.04% | +440+2.5% | Added |
| Mariner, LLC | 16,389 | $178.1K | 0.00% | +130+0.8% | Added |
| Equitable Holdings, Inc. | 15,899 | $172.8K | 0.00% | 00.0% | Unchanged |
| Kestra Advisory Services, LLC | 15,875 | $172.6K | 0.00% | +223+1.4% | Added |
| First Trust Advisors LP | 15,751 | $171.2K | 0.00% | +749+5.0% | Added |
| Pathstone Holdings, LLC | 15,700 | $170.7K | 0.00% | −934−5.6% | Reduced |
| Ackerman Capital Advisors, LLC | 15,574 | $169.3K | 0.03% | −25,998−62.5% | Reduced |
| Steward Partners Investment Advisory, LLC | 15,167 | $164.9K | 0.00% | +1,155+8.2% | Added |
| Disciplined Investors, L.L.C. | 14,500 | $157.6K | 0.10% | 00.0% | Unchanged |
| CX Institutional | 14,000 | $152.0K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 13,662 | $148.5K | 0.00% | +13,662 | New |
| SFMG, LLC | 13,526 | $147.0K | 0.01% | 00.0% | Unchanged |
| Cerity Partners LLC | 13,339 | $145.0K | 0.00% | +13,339 | New |
| Permanent Capital Management, LP | 12,842 | $139.6K | 0.03% | +12,842 | New |
| Alesco Advisors LLC | 11,800 | $128.3K | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 11,500 | $125.0K | 0.01% | −7,000−37.8% | Reduced |
| Goldman Sachs Group Inc | 10,463 | $113.7K | 0.00% | +10,463 | New |
| Moody National Bank Trust Division | 10,420 | $113.3K | 0.01% | +10,420 | New |
| Future Financial Wealth Managment LLC | 10,000 | $111.3K | 0.07% | 00.0% | Unchanged |
| Two Sigma Securities, LLC | 10,171 | $110.6K | 0.02% | +10,171 | New |
| Creative Planning | 10,017 | $108.9K | 0.00% | −1,222−10.9% | Reduced |
| Commerce Bank | 10,000 | $108.7K | 0.00% | 00.0% | Unchanged |
| Chung Wu Investment Group, LLC | 10,000 | $108.7K | 0.09% | 00.0% | Unchanged |
| Colony Group, LLC | 10,000 | $108.7K | 0.00% | +10,000 | New |
| Comerica Bank | 6,579 | $71.5K | 0.00% | +6,550+22,586.2% | Added |
| Gould Capital, LLC | 6,350 | $69.0K | 0.04% | 00.0% | Unchanged |
| Elyxium Wealth, LLC | 6,316 | $68.7K | 0.02% | +6,316 | New |
| Harbour Investments, Inc. | 5,200 | $56.5K | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 3,500 | $38.0K | 0.00% | +3,500 | New |
| Anchor Investment Management, LLC | 3,275 | $35.6K | 0.00% | 00.0% | Unchanged |
| Wolverine Asset Management LLC | 2,884 | $31.3K | 0.00% | +2,884 | New |
| Northwestern Mutual Wealth Management Co | 2,752 | $29.9K | 0.00% | −1,176−29.9% | Reduced |
| Prestige Wealth Management Group LLC | 2,488 | $27.0K | 0.01% | −4,984−66.7% | Reduced |