7 institutions reported holding $53.1M of BLACKROCK ETF TRUST ISHARES GOVT (GMMF) in SEC 13F filings for 2026-06-30. Largest institutional holders: MRWM Advisors, LLC ($42.6M), Cambridge Investment Research Advisors, Inc. ($5.5M), Hummer Financial Advisory Services Inc ($3.1M), SAPIENT CAPITAL LLC ($775,474), Cypress Capital, LLC ($517,952). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | MRWM Advisors, LLC | $42.6M | 424,326 | New |
| 2 | Cambridge Investment Research Advisors, Inc. | $5.5M | 54,624 | Added |
| 3 | Hummer Financial Advisory Services Inc | $3.1M | 31,000 | Trimmed |
| 4 | SAPIENT CAPITAL LLC | $775,474 | 7,730 | New |
| 5 | Cypress Capital, LLC | $517,952 | 5,163 | New |
| 6 | THURSTON, SPRINGER, MILLER, HERD & TITAK, INC. | $367,066 | 3,659 | Trimmed |
| 7 | SEARLE & CO. | $300,960 | 3,000 | Hold |
Source: SEC Form 13F filings · as of 2026-06-30