BLACKROCK MUNIYIELD QLTY III (MYI) Institutional Ownership Changes & 13F Activity
BLACKROCK MUNIYIELD QLTY III (MYI). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Rivernorth Capital Management, Llc, Morgan Stanley, Advisors Asset Management, Inc., Guggenheim Capital Llc, and Bank Of America Corp.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| M&T Bank Corp | Buy | +16,994 | — | 16,994 | $178.30K | Q1 2026 | Sep 04, 2026 |
| Dakota Wealth Management | Buy | +144,652 | — | 144,652 | $1.52M | Q1 2026 | Aug 26, 2026 |
| Wells Fargo & Company/Mn | Buy | +226,205 | +57.2% | 621,378 | $6.53M | Q1 2026 | Jul 08, 2026 |
| Western Wealth Management, Llc | Buy | +97 | — | 97 | $1.02K | Q1 2026 | May 19, 2026 |
| Bank Of America Corp | Buy | +516,460 | +78.6% | 1,173,240 | $12.33M | Q1 2026 | May 18, 2026 |
| Rivernorth Capital Management, Llc | Buy | +3,502,884 | +200.0% | 5,254,333 | $55.22M | Q1 2026 | May 15, 2026 |
| Morgan Stanley | Buy | +1,197,554 | +39.4% | 4,236,771 | $44.53M | Q1 2026 | May 15, 2026 |
| Advisors Asset Management, Inc. | Buy | +981,253 | — | 981,253 | $10.31M | Q1 2026 | May 15, 2026 |
| Guggenheim Capital Llc | Buy | +814,952 | +56.8% | 2,250,388 | $23.65M | Q1 2026 | May 15, 2026 |
| Van Eck Associates Corp | Buy | +444,526 | +88.2% | 948,572 | $9.97M | Q1 2026 | May 15, 2026 |
| Cohen & Steers, Inc. | Buy | +225,395 | +135.2% | 392,152 | $4.12M | Q1 2026 | May 15, 2026 |
| 1607 Capital Partners, Llc | Buy | +209,508 | — | 209,508 | $2.20M | Q1 2026 | May 15, 2026 |
| City Of London Investment Management Co Ltd | Buy | +136,462 | +34.9% | 527,505 | $5.54M | Q1 2026 | May 15, 2026 |
| Royal Bank Of Canada | Buy | +129,414 | +58.8% | 349,623 | $3.67M | Q1 2026 | May 15, 2026 |
| Toronto Dominion Bank | Buy | +124,532 | — | 124,532 | $1.31M | Q1 2026 | May 15, 2026 |
| Horizon Kinetics Asset Management Llc | Buy | +105,895 | +103.7% | 207,994 | $2.19M | Q1 2026 | May 15, 2026 |
| Westchester Capital Management, Llc | Buy | +61,247 | +119.6% | 112,436 | $1.18M | Q1 2026 | May 15, 2026 |
| Wellspring Financial Advisors, Llc | Buy | +56,563 | — | 56,563 | $594.48K | Q1 2026 | May 15, 2026 |
| Integrated Wealth Concepts Llc | Buy | +37,434 | — | 37,434 | $393.43K | Q1 2026 | May 15, 2026 |
| Osaic Holdings, Inc. | Buy | +20,317 | +88.0% | 43,409 | $456.24K | Q1 2026 | May 15, 2026 |
| &Partners | Buy | +19,078 | +84.6% | 41,632 | $437.56K | Q1 2026 | May 15, 2026 |
| Nomura Holdings Inc | Buy | +16,000 | — | 16,000 | $168.16K | Q1 2026 | May 15, 2026 |
| Mercer Global Advisors Inc | Buy | +8,261 | +39.4% | 29,247 | $307.38K | Q1 2026 | May 15, 2026 |
| Advisory Services Network, Llc | Buy | +8,241 | +14.0% | 67,039 | $704.58K | Q1 2026 | May 15, 2026 |
| Citadel Advisors Llc | Sell | -7,809 | -42.9% | 10,395 | $109.25K | Q1 2026 | May 15, 2026 |
| Balyasny Asset Management L.P. | Sell | -5,300 | -3.8% | 134,810 | $1.42M | Q1 2026 | May 15, 2026 |
| Us Bancorp \De\ | Buy | +4,084 | +18.1% | 26,622 | $279.80K | Q1 2026 | May 15, 2026 |
| Larson Financial Group Llc | Buy | +3,160 | — | 3,160 | $33.21K | Q1 2026 | May 15, 2026 |
| Goldman Sachs Group Inc | Buy | +2,486 | +23.8% | 12,949 | $136.09K | Q1 2026 | May 15, 2026 |
| Allworth Financial Lp | Buy | +2,008 | — | 2,008 | $21.11K | Q1 2026 | May 15, 2026 |
Frequently asked questions about MYI activity
Which institutional owners are buying MYI?
Institutional owners buying MYI include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in MYI activity?
"Buy" means an investor increased their reported position in MYI compared to the prior reporting period. This reflects growing exposure to BLACKROCK MUNIYIELD QLTY III (MYI) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in MYI increasing?
Institutional interest in MYI can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related MYI Institutional Insights
- MYI Overview
- MYI 13F Institutional Holders
- MYI Superinvestors
- Financial Services Sector Institutional Ownership
- Financial Services Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Financial Services Stocks By Institutional Investors
- Most Sold Financial Services Stocks By Institutional Investors
- MYI Insider Trading & SEC Form 4 Activity
- MYI Articles
- Top Institutional Investor Stock Rankings