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 |
|---|---|---|---|---|---|
| WPG Advisers, LLC | 304 | $3.30K | 0.00% | +101+49.8% | Added |
| Hilton Head Capital Partners, LLC | 441 | $4.79K | 0.00% | +441 | New |
| Capital Analysts, LLC | 443 | $5.00K | 0.00% | +9+2.1% | Added |
| Bayban | 478 | $5.20K | 0.00% | +478 | New |
| Highline Wealth Partners LLC | 500 | $5.43K | 0.00% | 00.0% | Unchanged |
| ORG Wealth Partners, LLC | 981 | $10.7K | 0.00% | 00.0% | Unchanged |
| Pinnacle Wealth Planning Services, Inc. | 1,085 | $11.8K | 0.00% | +1,085 | New |
| AdvisorNet Financial, Inc | 1,537 | $16.7K | 0.00% | 00.0% | Unchanged |
| Trust Co of Vermont | 2,300 | $25.0K | 0.00% | +2,300 | New |
| Prestige Wealth Management Group LLC | 2,488 | $27.0K | 0.01% | −4,984−66.7% | Reduced |
| Northwestern Mutual Wealth Management Co | 2,752 | $29.9K | 0.00% | −1,176−29.9% | Reduced |
| Wolverine Asset Management LLC | 2,884 | $31.3K | 0.00% | +2,884 | New |
| Anchor Investment Management, LLC | 3,275 | $35.6K | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 3,500 | $38.0K | 0.00% | +3,500 | New |
| Harbour Investments, Inc. | 5,200 | $56.5K | 0.00% | 00.0% | Unchanged |
| Elyxium Wealth, LLC | 6,316 | $68.7K | 0.02% | +6,316 | New |
| Gould Capital, LLC | 6,350 | $69.0K | 0.04% | 00.0% | Unchanged |
| Comerica Bank | 6,579 | $71.5K | 0.00% | +6,550+22,586.2% | Added |
| 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 |
| Creative Planning | 10,017 | $108.9K | 0.00% | −1,222−10.9% | Reduced |
| Two Sigma Securities, LLC | 10,171 | $110.6K | 0.02% | +10,171 | New |
| Future Financial Wealth Managment LLC | 10,000 | $111.3K | 0.07% | 00.0% | Unchanged |
| Moody National Bank Trust Division | 10,420 | $113.3K | 0.01% | +10,420 | New |
| Goldman Sachs Group Inc | 10,463 | $113.7K | 0.00% | +10,463 | New |
| Rothschild Investment LLC | 11,500 | $125.0K | 0.01% | −7,000−37.8% | Reduced |
| Alesco Advisors LLC | 11,800 | $128.3K | 0.00% | 00.0% | Unchanged |
| Permanent Capital Management, LP | 12,842 | $139.6K | 0.03% | +12,842 | New |
| Cerity Partners LLC | 13,339 | $145.0K | 0.00% | +13,339 | New |
| SFMG, LLC | 13,526 | $147.0K | 0.01% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 13,662 | $148.5K | 0.00% | +13,662 | New |
| CX Institutional | 14,000 | $152.0K | 0.00% | 00.0% | Unchanged |
| Disciplined Investors, L.L.C. | 14,500 | $157.6K | 0.10% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 15,167 | $164.9K | 0.00% | +1,155+8.2% | Added |
| Ackerman Capital Advisors, LLC | 15,574 | $169.3K | 0.03% | −25,998−62.5% | Reduced |
| Pathstone Holdings, LLC | 15,700 | $170.7K | 0.00% | −934−5.6% | Reduced |
| First Trust Advisors LP | 15,751 | $171.2K | 0.00% | +749+5.0% | Added |
| Kestra Advisory Services, LLC | 15,875 | $172.6K | 0.00% | +223+1.4% | Added |
| Equitable Holdings, Inc. | 15,899 | $172.8K | 0.00% | 00.0% | Unchanged |
| Mariner, LLC | 16,389 | $178.1K | 0.00% | +130+0.8% | Added |
| TrueMark Investments, LLC | 17,943 | $195.0K | 0.04% | +440+2.5% | Added |
| Citadel Advisors LLC | 18,204 | $197.9K | 0.00% | +18,204 | New |
| Private Advisor Group, LLC | 19,100 | $207.6K | 0.00% | −57−0.3% | Reduced |
| Westview Management dba Westview Investment Advisors | 19,600 | $213.1K | 0.10% | +19,600 | New |
| Camelot Portfolios, LLC | 19,731 | $214.5K | 0.13% | +2,730+16.1% | Added |
| Plancorp, LLC | 20,000 | $217.4K | 0.01% | 00.0% | Unchanged |
| Pathway Financial Advisers, LLC | 20,870 | $226.9K | 0.07% | +2,172+11.6% | Added |
| Mercer Global Advisors Inc | 20,986 | $228.1K | 0.00% | −900−4.1% | Reduced |
| Daner Wealth Management, LLC | 20,417 | $228.9K | 0.14% | 00.0% | Unchanged |
| Summit Trail Advisors, LLC | 21,253 | $231.0K | 0.00% | +21,253 | New |
| Cetera Investment Advisers | 22,208 | $241.4K | 0.00% | +7,900+55.2% | Added |
| US Bancorp | 22,538 | $245.0K | 0.00% | 00.0% | Unchanged |
| Wiley Bros.-Aintree Capital, LLC | 22,554 | $245.2K | 0.00% | +22,554 | New |
| Hollencrest Capital Management | 22,896 | $248.9K | 0.01% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 23,092 | $251.0K | 0.00% | +2,519+12.2% | Added |
| Ameriprise Financial Inc | 25,486 | $277.0K | 0.00% | −10,126−28.4% | Reduced |
| Cresta Advisors, Ltd. | 27,000 | $293.5K | 0.12% | 00.0% | Unchanged |
| XTX Topco Ltd | 28,308 | $307.7K | 0.01% | +28,308 | New |
| Janney Montgomery Scott LLC | 28,420 | $309.0K | 0.00% | +2,520+9.7% | Added |
| Crescent Grove Advisors, LLC | 31,350 | $340.8K | 0.03% | −8,515−21.4% | Reduced |
| Readystate Asset Management LP | 32,790 | $356.4K | 0.02% | +32,790 | New |
| Moors & Cabot, Inc. | 32,890 | $357.5K | 0.02% | +4,800+17.1% | Added |
| HRT Financial LP | 33,680 | $366.0K | 0.00% | +19,996+146.1% | Added |
| Concurrent Investment Advisors, LLC | 37,466 | $407.3K | 0.00% | +636+1.7% | Added |
| Ashton Thomas Private Wealth, LLC | 38,279 | $416.1K | 0.01% | +5,440+16.6% | Added |
| First Western Trust Bank | 39,221 | $426.3K | 0.02% | 00.0% | Unchanged |
| Landscape Capital Management, L.L.C. | 39,527 | $429.7K | 0.03% | +39,527 | New |
| Virtu Financial LLC | 41,337 | $449.0K | 0.02% | +41,337 | New |
| Logan Stone Capital, LLC | 43,600 | $473.9K | 0.12% | +43,600 | New |
| Westchester Capital Management, LLC | 51,189 | $556.4K | 0.03% | 00.0% | Unchanged |
| Advisory Services Network, LLC | 58,798 | $639.1K | 0.01% | +7,458+14.5% | Added |
| Scarborough Advisors, LLC | 63,000 | $684.8K | 0.12% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 66,746 | $725.5K | 0.00% | −46,584−41.1% | Reduced |
| GWM Advisors LLC | 74,257 | $807.2K | 0.00% | −128,028−63.3% | Reduced |
| The PNC Financial Services Group, Inc. | 84,326 | $916.6K | 0.00% | +5,000+6.3% | Added |
| Jane Street Group, LLC | 98,858 | $1.07M | 0.00% | +77,947+372.8% | Added |
| Estate Planners Group, LLC | 99,688 | $1.08M | 0.47% | +99,688 | New |
| Horizon Kinetics Asset Management LLC | 102,099 | $1.11M | 0.02% | 00.0% | Unchanged |
| Allspring Global Investments Holdings, LLC | 135,092 | $1.47M | 0.00% | 00.0% | Unchanged |
| Balyasny Asset Management LLC | 140,110 | $1.52M | 0.00% | +140,110 | New |
| LPL Financial LLC | 163,018 | $1.77M | 0.00% | −34,042−17.3% | Reduced |
| Cohen & Steers, Inc. | 166,757 | $1.81M | 0.00% | 00.0% | Unchanged |
| Coastal Bridge Advisors, LLC | 173,968 | $1.89M | 0.14% | +1,366+0.8% | Added |
| Invesco Ltd. | 176,336 | $1.92M | 0.00% | +8,807+5.3% | Added |
| Commonwealth Equity Services, LLC | 191,984 | $2.09M | 0.00% | +6,891+3.7% | Added |
| Kim, LLC | 204,185 | $2.22M | 0.25% | 00.0% | Unchanged |
| Sit Investment Associates Inc | 204,688 | $2.23M | 0.04% | −57,778−22.0% | Reduced |
| Royal Bank of Canada | 220,209 | $2.39M | 0.00% | −4,258−1.9% | Reduced |
| Capital Investment Advisors, LLC | 224,258 | $2.44M | 0.04% | −21,276−8.7% | Reduced |
| Melfa Wealth Management, LLC | 236,350 | $2.57M | 1.48% | −4,491−1.9% | Reduced |
| Rockefeller Capital Management L.P. | 249,293 | $2.71M | 0.00% | +2,055+0.8% | Added |
| Rareview Capital LLC | 377,478 | $3.96M | 2.57% | +89,571+31.1% | Added |
| Karpus Management, Inc. | 375,708 | $4.08M | 0.13% | +319,308+566.1% | Added |
| City of London Investment Management Co Ltd | 391,043 | $4.25M | 0.32% | 00.0% | Unchanged |
| Wells Fargo & Company | 395,173 | $4.30M | 0.00% | −19,564−4.7% | Reduced |
| Fiera Capital Corp | 427,965 | $4.65M | 0.01% | +427,965 | New |
| Allianz Asset Management GmbH | 490,934 | $5.34M | 0.01% | 00.0% | Unchanged |
| Van Eck Associates Corp | 504,046 | $5.48M | 0.00% | +66,603+15.2% | Added |
| Advisors Asset Management, Inc. | 512,926 | $5.58M | 0.09% | +102,753+25.1% | Added |