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Livermore
Livermore
ZHEN

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 2021

Institutional positions in BlackRock Muniyield Quality Fund III, Inc. as of Mar 31, 2021. 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
105
No complete 13F data for Q4 2020
Shares held
23.4M
No complete 13F data for Q4 2020
Total value
$333.4M
No complete 13F data for Q4 2020

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.

Institutional holdersQ1 2021: 105 institutions
Q1 2021: 105 institutionsQ2 2021: 104 institutionsQ3 2021: 100 institutionsQ4 2021: 104 institutionsQ1 2022: 106 institutionsQ2 2022: 101 institutionsQ3 2022: 101 institutionsQ4 2022: 107 institutionsQ1 2023: 98 institutionsQ2 2023: 98 institutionsQ3 2023: 102 institutionsQ4 2023: 105 institutionsQ1 2024: 104 institutionsQ2 2024: 108 institutionsQ3 2024: 100 institutionsQ4 2024: 102 institutionsQ1 2025: 100 institutionsQ2 2025: 97 institutionsQ3 2025: 94 institutionsQ4 2025: 109 institutionsQ1 2026: 152 institutionsQ2 2026: 156 institutions
Value heldQ1 2021: $333.4M
Q1 2021: $333.4MQ2 2021: $335.3MQ3 2021: $296.1MQ4 2021: $318.4MQ1 2022: $267.0MQ2 2022: $254.5MQ3 2022: $221.3MQ4 2022: $273.4MQ1 2023: $274.8MQ2 2023: $258.8MQ3 2023: $232.9MQ4 2023: $273.8MQ1 2024: $246.3MQ2 2024: $223.1MQ3 2024: $221.6MQ4 2024: $210.2MQ1 2025: $206.5MQ2 2025: $193.5MQ3 2025: $198.9MQ4 2025: $209.3MQ1 2026: $429.7MQ2 2026: $431.8M
Institutions holding MYI and their total value by quarter
QuarterHoldersValue
Q2 2026156$431.8M
Q1 2026152$429.7M
Q4 2025109$209.3M
Q3 202594$198.9M
Q2 202597$193.5M
Q1 2025100$206.5M
Q4 2024102$210.2M
Q3 2024100$221.6M
Q2 2024108$223.1M
Q1 2024104$246.3M
Q4 2023105$273.8M
Q3 2023102$232.9M
Q2 202398$258.8M
Q1 202398$274.8M
Q4 2022107$273.4M
Q3 2022101$221.3M
Q2 2022101$254.5M
Q1 2022106$267.0M
Q4 2021104$318.4M
Q3 2021100$296.1M
Q2 2021104$335.3M
Q1 2021105$333.4M

Institutions, Q1 2021

Shares, value and share of portfolio for each institution holding BlackRock Muniyield Quality Fund III, Inc..

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding MYI in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
UBS Group AG1,662,342$23.7M0.01%––
Rivernorth Capital Management, LLC2,022,974$28.8M1.73%––
Bramshill Investments, LLC2,166,631$30.9M1.96%––
Parametric Portfolio Associates LLC3,450,569$49.2M0.03%––
Karpus Management, Inc.4,390,861$62.6M1.89%––