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, Q1 2026
Institutional positions in BlackRock Muniyield Quality Fund III, Inc. as of Mar 31, 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
- 152
- +45 vs. Q4 2025
- Shares held
- 40.8M
- +21.6M (+112.0%) vs. Q4 2025
- Total value
- $429.7M
- +$220.5M (+105.4%) vs. Q4 2025
- New holders
- 67
- 57 more added
- Sold out
- 22
- 8 more reduced
2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding BlackRock Muniyield Quality Fund III, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Aviance Capital Partners, LLC | 14,347 | $150.8K | 0.02% | +14,347 | New |
| CX Institutional | 14,000 | $147.0K | 0.00% | 00.0% | Unchanged |
| Coastal Investment Advisors, Inc. | 13,275 | $139.5K | 0.05% | +13,275 | New |
| Goldman Sachs Group Inc | 12,949 | $136.1K | 0.00% | +2,486+23.8% | Added |
| Merit Financial Group, LLC | 11,939 | $125.5K | 0.00% | +11,939 | New |
| Alesco Advisors LLC | 11,800 | $124.0K | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 11,500 | $120.9K | 0.01% | 00.0% | Unchanged |
| Creative Planning | 10,993 | $115.5K | 0.00% | +976+9.7% | Added |
| Future Financial Wealth Managment LLC | 10,000 | $110.4K | 0.07% | 00.0% | Unchanged |
| Chapin Davis, Inc. | 10,500 | $110.4K | 0.02% | +10,500 | New |
| Citadel Advisors LLC | 10,395 | $109.3K | 0.00% | −7,809−42.9% | Reduced |
| NWF Advisory Services Inc. | 10,115 | $106.3K | 0.01% | +10,115 | New |
| Commerce Bank | 10,000 | $105.1K | 0.00% | 00.0% | Unchanged |
| Chung Wu Investment Group, LLC | 10,000 | $105.1K | 0.09% | 00.0% | Unchanged |
| Citizens National Bank Trust Department | 9,830 | $103.3K | 0.02% | +9,830 | New |
| Fifth Third Bancorp | 8,200 | $86.2K | 0.00% | +8,200 | New |
| Gould Capital, LLC | 6,350 | $66.7K | 0.04% | 00.0% | Unchanged |
| Bokf, NA | 6,204 | $65.2K | 0.00% | +6,204 | New |
| Blue Bell Private Wealth Management, LLC | 5,224 | $54.9K | 0.01% | +5,224 | New |
| Harbour Investments, Inc. | 5,200 | $54.7K | 0.00% | 00.0% | Unchanged |
| GWM Advisors LLC | 5,132 | $53.9K | 0.00% | −69,125−93.1% | Reduced |
| CWM, LLC | 4,220 | $44.4K | 0.00% | +4,220 | New |
| EverSource Wealth Advisors, LLC | 4,173 | $43.9K | 0.00% | +4,173 | New |
| Geneos Wealth Management Inc. | 4,042 | $42.5K | 0.00% | +4,042 | New |
| Anchor Investment Management, LLC | 4,001 | $42.1K | 0.00% | +726+22.2% | Added |
| Bessemer Group Inc | 3,500 | $37.0K | 0.00% | 00.0% | Unchanged |
| Larson Financial Group LLC | 3,160 | $33.2K | 0.00% | +3,160 | New |
| Ameritas Advisory Services, LLC | 3,160 | $33.2K | 0.00% | +3,160 | New |
| Northwestern Mutual Wealth Management Co | 2,752 | $28.9K | 0.00% | 00.0% | Unchanged |
| Pinnacle Wealth Planning Services, Inc. | 2,363 | $24.8K | 0.00% | +1,278+117.8% | Added |
| Allworth Financial LP | 2,008 | $21.1K | 0.00% | +2,008 | New |
| ORG Wealth Partners, LLC | 2,003 | $21.1K | 0.00% | +1,022+104.2% | Added |
| Bartlett & Co. Wealth Management LLC | 1,931 | $20.7K | 0.00% | +1,931 | New |
| Private Trust Co NA | 1,963 | $20.6K | 0.00% | +1,963 | New |
| PlanVest Financial, Inc | 1,896 | $19.9K | 0.02% | +1,896 | New |
| Capital Analysts, LLC | 1,721 | $18.0K | 0.00% | +1,278+288.5% | Added |
| AdvisorNet Financial, Inc | 1,537 | $16.2K | 0.00% | 00.0% | Unchanged |
| Mascoma Wealth Management LLC | 1,218 | $12.8K | 0.00% | +1,218 | New |
| GHP Investment Advisors, Inc. | 1,178 | $12.4K | 0.00% | +1,178 | New |
| Penserra Capital Management LLC | 992 | $10.0K | 0.00% | +992 | New |
| Farther Finance Advisors, LLC | 747 | $7.93K | 0.00% | +747 | New |
| BlackRock, Inc. | 715 | $7.51K | 0.00% | +715 | New |
| WPG Advisers, LLC | 655 | $6.88K | 0.01% | +351+115.5% | Added |
| Brown, Lisle/Cummings, Inc. | 655 | $6.88K | 0.00% | +655 | New |
| Abound Wealth Management | 572 | $6.01K | 0.00% | +572 | New |
| Highline Wealth Partners LLC | 500 | $5.25K | 0.00% | 00.0% | Unchanged |
| Bayban | 478 | $5.02K | 0.00% | 00.0% | Unchanged |
| Hilton Head Capital Partners, LLC | 441 | $4.63K | 0.00% | 00.0% | Unchanged |
| Delta Asset Management LLC | 296 | $3.11K | 0.00% | +296 | New |
| Smartleaf Asset Management LLC | 244 | $2.54K | 0.00% | +244 | New |
| Mather Group, LLC. | 212 | $2.23K | 0.00% | +212 | New |
| St Germain D J Co Inc | 79 | $830 | 0.00% | +79 | New |
| Hennion & Walsh Asset Management, Inc. | 0 | $0 | 0.00% | −1,554,195−100.0% | Sold out |
| Logan Stone Capital, LLC | 0 | $0 | 0.00% | −43,600−100.0% | Sold out |
| Landscape Capital Management, L.L.C. | 0 | $0 | 0.00% | −39,527−100.0% | Sold out |
| First Western Trust Bank | 0 | $0 | 0.00% | −39,221−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −33,680−100.0% | Sold out |
| Readystate Asset Management LP | 0 | $0 | 0.00% | −32,790−100.0% | Sold out |
| Crescent Grove Advisors, LLC | 0 | $0 | 0.00% | −31,350−100.0% | Sold out |
| Janney Montgomery Scott LLC | 0 | $0 | 0.00% | −28,420−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −28,308−100.0% | Sold out |
| Cresta Advisors, Ltd. | 0 | $0 | 0.00% | −27,000−100.0% | Sold out |
| Pathway Financial Advisers, LLC | 0 | $0 | 0.00% | −20,870−100.0% | Sold out |
| Plancorp, LLC | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| TrueMark Investments, LLC | 0 | $0 | 0.00% | −17,943−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −13,662−100.0% | Sold out |
| Cerity Partners LLC | 0 | $0 | 0.00% | −13,339−100.0% | Sold out |
| Permanent Capital Management, LP | 0 | $0 | 0.00% | −12,842−100.0% | Sold out |
| Moody National Bank Trust Division | 0 | $0 | 0.00% | −10,420−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −10,171−100.0% | Sold out |
| Colony Group, LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Elyxium Wealth, LLC | 0 | $0 | 0.00% | −6,316−100.0% | Sold out |
| Wolverine Asset Management LLC | 0 | $0 | 0.00% | −2,884−100.0% | Sold out |
| Prestige Wealth Management Group LLC | 0 | $0 | 0.00% | −2,488−100.0% | Sold out |
| Comerica Bank | – | – | – | – | Not filed |
| Trust Co of Vermont | – | – | – | – | Not filed |