iShares Govt MMKT ETFGMMFETF
13F holders, Q3 2025 (September 30)8holders
2new positions
1sold out
1famous investor
$100.49avg. 13F price*
At the end of Q3 2025, 8 institutions reported holding iShares Govt MMKT ETF (GMMF) in their 13F filings, unchanged from Q2 2025. 2 opened new positions and 1 sold out. The largest holders were BlackRock, Inc. ($25.1M), Hummer Financial Advisory Services Inc ($2.8M) and Tower Research Capital LLC (TRC) ($2.1M). One famous investor held it Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- iShares Govt MMKT ETF
- Filed as
- BLACKROCK ETF TRUST (Q3 2025)
- CUSIP
- 09290C749
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 2 | $714K |
| Exits | 1 | $219K |
All 13F filers, Q2 2025 → Q3 2025: 56,947 shares bought and 7,095 shares sold, net +49,852 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 8 holders
| BlackRock, Inc. | 0.00% | No change | 250,000 | $25.1M |
| Hummer Financial Advisory Services Inc | 2.02% | Add +590.0% | 27,600 | $2.8M |
| Tower Research Capital LLC (TRC) | 0.06% | Add +289.3% | 20,876 | $2.1M |
| Citadel Advisors | 0.00% | Add +112.9% | 20,217 | $2.0M |
| Thurston, Springer, Miller, Herd & Titak, Inc. | 1.41% | New | 7,102 | $714K |
| Searle & Co. | 0.08% | No change | 3,000 | $301K |
| Jane Street Group, LLC | 0.00% | Reduce -64.9% | 2,652 | $267K |
| Royal Bank of Canada | 0.00% | Add +1.8% | 611 | $61K |
"% of holder's portfolio" is GMMF's weight in each manager's 13F, not the share of iShares Govt MMKT ETF the manager owns.