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 |
|---|---|---|---|---|---|
| Robinson Capital Management, LLC | 524,385 | $5.70M | 2.39% | +207,592+65.5% | Added |
| UBS Group AG | 637,653 | $6.93M | 0.00% | +18,893+3.1% | Added |
| Bank of America Corp | 656,780 | $7.14M | 0.00% | +2,119+0.3% | Added |
| Raymond James Financial Inc | 874,475 | $9.51M | 0.00% | −78,982−8.3% | Reduced |
| Stifel Financial Corp | 997,529 | $10.8M | 0.01% | −56,342−5.3% | Reduced |
| Guggenheim Capital LLC | 1,435,436 | $15.6M | 0.11% | +89,854+6.7% | Added |
| Hennion & Walsh Asset Management, Inc. | 1,554,195 | $16.9M | 0.58% | +12,912+0.8% | Added |
| Rivernorth Capital Management, LLC | 1,751,449 | $19.0M | 0.90% | −218,727−11.1% | Reduced |
| Morgan Stanley | 3,039,217 | $33.0M | 0.00% | +135,864+4.7% | Added |
| Eastern Bank | 0 | $0 | 0.00% | −131,231−100.0% | Sold out |
| River Street Advisors LLC | 0 | $0 | 0.00% | −13,314−100.0% | Sold out |
| Toronto Dominion Bank | 0 | $0 | 0.00% | −13,232−100.0% | Sold out |
| CI Private Wealth, LLC | 0 | $0 | 0.00% | −12,966−100.0% | Sold out |
| Wealthspire Advisors, LLC | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| Allworth Financial LP | 0 | $0 | 0.00% | −2,008−100.0% | Sold out |
| FNY Investment Advisers, LLC | 0 | $0 | 0.00% | −1,200−100.0% | Sold out |
| Mather Group, LLC. | 0 | $0 | 0.00% | −212−100.0% | Sold out |
| GPS Wealth Strategies Group, LLC | 0 | $0 | 0.00% | −97−100.0% | Sold out |
| Bard Financial Services, Inc. | – | – | – | – | Not filed |
| Sonora Investment Management Group, LLC | – | – | – | – | Not filed |