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 |
|---|---|---|---|---|---|
| St Germain D J Co Inc | 79 | $878 | 0.00% | 00.0% | Unchanged |
| Entrust Financial LLC | 148 | $1.65K | 0.00% | +148 | New |
| Mather Group, LLC. | 212 | $2.35K | 0.00% | 00.0% | Unchanged |
| Smartleaf Asset Management LLC | 244 | $2.72K | 0.00% | 00.0% | Unchanged |
| Bayban | 478 | $5.31K | 0.00% | 00.0% | Unchanged |
| Highline Wealth Partners LLC | 500 | $5.55K | 0.00% | 00.0% | Unchanged |
| LifeSteps Financial, Inc. | 500 | $5.55K | 0.00% | +500 | New |
| Delta Asset Management LLC | 646 | $7.18K | 0.00% | +350+118.2% | Added |
| Brown, Lisle/Cummings, Inc. | 655 | $7.28K | 0.00% | 00.0% | Unchanged |
| WPG Advisers, LLC | 1,041 | $11.6K | 0.01% | +386+58.9% | Added |
| Mascoma Wealth Management LLC | 1,218 | $13.5K | 0.00% | 00.0% | Unchanged |
| AdvisorNet Financial, Inc | 1,537 | $17.1K | 0.00% | 00.0% | Unchanged |
| Quent Capital, LLC | 1,613 | $17.9K | 0.00% | +1,613 | New |
| Capital Analysts, LLC | 1,748 | $19.0K | 0.00% | +27+1.6% | Added |
| PlanVest Financial, Inc | 1,896 | $21.1K | 0.01% | 00.0% | Unchanged |
| Bartlett & Co. Wealth Management LLC | 1,931 | $21.6K | 0.00% | 00.0% | Unchanged |
| ORG Wealth Partners, LLC | 2,003 | $22.3K | 0.00% | 00.0% | Unchanged |
| CoreCap Advisors, LLC | 2,260 | $25.1K | 0.00% | +2,260 | New |
| Penserra Capital Management LLC | 2,976 | $33.0K | 0.00% | +1,984+200.0% | Added |
| Larson Financial Group LLC | 3,160 | $35.1K | 0.00% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 3,187 | $35.4K | 0.00% | +435+15.8% | Added |
| Institute for Wealth Management, LLC. | 3,460 | $38.4K | 0.00% | +3,460 | New |
| Bessemer Group Inc | 3,535 | $39.0K | 0.00% | +35+1.0% | Added |
| Pinnacle Wealth Planning Services, Inc. | 3,755 | $41.7K | 0.00% | +1,392+58.9% | Added |
| Anchor Investment Management, LLC | 4,001 | $44.5K | 0.00% | 00.0% | Unchanged |
| Geneos Wealth Management Inc. | 4,042 | $44.9K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 4,173 | $46.4K | 0.00% | 00.0% | Unchanged |
| Private Trust Co NA | 5,000 | $55.5K | 0.00% | +3,037+154.7% | Added |
| GWM Advisors LLC | 5,132 | $57.0K | 0.00% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 5,200 | $57.8K | 0.00% | 00.0% | Unchanged |
| Blue Bell Private Wealth Management, LLC | 5,224 | $58.0K | 0.01% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 5,762 | $64.0K | 0.00% | +5,015+671.4% | Added |
| Bokf, NA | 6,204 | $68.9K | 0.00% | 00.0% | Unchanged |
| Gould Capital, LLC | 6,350 | $70.5K | 0.04% | 00.0% | Unchanged |
| Fifth Third Bancorp | 8,244 | $91.6K | 0.00% | +44+0.5% | Added |
| Global Retirement Partners, LLC | 9,499 | $105.5K | 0.00% | +9,499 | New |
| Future Financial Wealth Managment LLC | 10,000 | $107.5K | 0.07% | 00.0% | Unchanged |
| Citizens National Bank Trust Department | 9,830 | $109.2K | 0.02% | 00.0% | Unchanged |
| Commerce Bank | 10,000 | $111.1K | 0.00% | 00.0% | Unchanged |
| Chung Wu Investment Group, LLC | 10,000 | $111.1K | 0.07% | 00.0% | Unchanged |
| NWF Advisory Services Inc. | 10,115 | $112.4K | 0.01% | 00.0% | Unchanged |
| Chapin Davis, Inc. | 10,500 | $116.7K | 0.02% | 00.0% | Unchanged |
| Alesco Advisors LLC | 10,900 | $121.1K | 0.00% | −900−7.6% | Reduced |
| Virtu Financial LLC | 11,225 | $125.0K | 0.00% | −3,273−22.6% | Reduced |
| Herold Advisors, Inc. | 11,535 | $129.0K | 0.03% | +11,535 | New |
| Boothbay Fund Management, LLC | 12,021 | $133.6K | 0.00% | +12,021 | New |
| Traub Capital Management LLC | 12,327 | $137.0K | 0.12% | +12,327 | New |
| Creative Planning | 12,362 | $137.3K | 0.00% | +1,369+12.5% | Added |
| Goldman Sachs Group Inc | 12,529 | $139.2K | 0.00% | −420−3.2% | Reduced |
| First Trust Advisors LP | 13,032 | $144.8K | 0.00% | −2,719−17.3% | Reduced |
| Coastal Investment Advisors, Inc. | 13,275 | $147.5K | 0.05% | 00.0% | Unchanged |
| Aviance Capital Partners, LLC | 13,863 | $154.0K | 0.02% | −484−3.4% | Reduced |
| CX Institutional | 14,000 | $156.0K | 0.00% | 00.0% | Unchanged |
| Merit Financial Group, LLC | 14,099 | $156.6K | 0.00% | +2,160+18.1% | Added |
| CI Private Wealth, LLC | 14,166 | $157.4K | 0.00% | +14,166 | New |
| Disciplined Investors, L.L.C. | 14,500 | $161.1K | 0.08% | 00.0% | Unchanged |
| Northern Trust Corp | 15,267 | $169.6K | 0.00% | −11,227−42.4% | Reduced |
| Savvy Advisors, Inc. | 15,656 | $173.9K | 0.00% | +239+1.6% | Added |
| Equitable Holdings, Inc. | 15,899 | $176.6K | 0.00% | −300−1.9% | Reduced |
| US Bancorp | 16,509 | $183.4K | 0.00% | −10,113−38.0% | Reduced |
| M&T Bank Corp | 16,994 | $188.3K | 0.00% | 00.0% | Unchanged |
| Envestnet Asset Management Inc | 17,881 | $198.7K | 0.00% | +17,881 | New |
| Fortitude Advisory Group L.L.C. | 18,010 | $200.1K | 0.08% | 00.0% | Unchanged |
| XTX Topco Ltd | 18,530 | $205.9K | 0.00% | +18,530 | New |
| Truist Financial Corp | 19,095 | $212.1K | 0.00% | +115+0.6% | Added |
| Camelot Portfolios, LLC | 19,195 | $213.3K | 0.15% | −1,915−9.1% | Reduced |
| Daner Wealth Management, LLC | 20,417 | $222.1K | 0.12% | 00.0% | Unchanged |
| Citadel Advisors LLC | 20,276 | $225.3K | 0.00% | +9,881+95.1% | Added |
| Kore Advisors LP | 22,000 | $244.4K | 0.28% | +22,000 | New |
| Worth Asset Management, LLC | 22,999 | $255.5K | 0.08% | +22,999 | New |
| RSM US Wealth Management LLC | 23,425 | $261.6K | 0.00% | +7,414+46.3% | Added |
| Davis Investment Partners, LLC | 26,103 | $290.0K | 0.09% | +264+1.0% | Added |
| SFMG, LLC | 26,645 | $296.0K | 0.02% | 00.0% | Unchanged |
| River Street Advisors LLC | 26,766 | $297.4K | 0.09% | 00.0% | Unchanged |
| 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 |
| Verdence Capital Advisors LLC | 27,188 | $302.1K | 0.02% | +223+0.8% | Added |
| Yakira Capital Management, Inc. | 27,511 | $305.6K | 0.09% | −1,151−4.0% | Reduced |
| Benjamin Edwards Inc | 29,161 | $324.0K | 0.00% | 00.0% | Unchanged |
| Mercer Global Advisors Inc | 29,246 | $324.9K | 0.00% | −10.0% | Reduced |
| Rothschild Investment LLC | 30,663 | $340.7K | 0.01% | +19,163+166.6% | Added |
| Closed-End Fund Advisors, Inc. | 30,881 | $343.1K | 0.34% | 00.0% | Unchanged |
| Mariner, LLC | 32,018 | $355.7K | 0.00% | +15,565+94.6% | Added |
| Kapstone Financial Advisors LLC | 33,145 | $368.2K | 0.15% | −5,480−14.2% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 33,270 | $370.0K | 0.00% | −10,287−23.6% | Reduced |
| Jane Street Group, LLC | 33,469 | $371.8K | 0.00% | −20,075−37.5% | Reduced |
| Virtue Asset Management LLC | 35,606 | $395.6K | 0.28% | 00.0% | Unchanged |
| Nuveen, LLC | 36,296 | $403.2K | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 37,171 | $413.0K | 0.00% | +37,171 | New |
| Integrated Wealth Concepts LLC | 37,434 | $415.9K | 0.00% | 00.0% | Unchanged |
| Wiley Bros.-Aintree Capital, LLC | 40,186 | $446.5K | 0.00% | −1,446−3.5% | Reduced |
| Balyasny Asset Management LLC | 40,621 | $451.3K | 0.00% | −94,189−69.9% | Reduced |
| Hollencrest Capital Management | 40,841 | $453.7K | 0.03% | −5,435−11.7% | Reduced |
| Steward Partners Investment Advisory, LLC | 40,907 | $454.5K | 0.00% | +13,698+50.3% | Added |
| Ackerman Capital Advisors, LLC | 43,820 | $486.8K | 0.10% | −17,392−28.4% | Reduced |
| Readystate Asset Management LP | 45,966 | $510.7K | 0.02% | +45,966 | New |
| Eastern Bank | 46,635 | $518.1K | 0.01% | +18,315+64.7% | Added |
| Kestra Advisory Services, LLC | 46,885 | $523.5K | 0.00% | +2,408+5.4% | Added |
| Cetera Investment Advisers | 53,207 | $591.1K | 0.00% | +14,067+35.9% | Added |
| Callahan Advisors, LLC | 55,692 | $618.7K | 0.05% | 00.0% | Unchanged |