iShares Govt MMKT ETFGMMFETF
13F holders, Q4 2025 (December 31)9holders +1
1new positions
0sold out
1famous investor
$100.22avg. 13F price*
At the end of Q4 2025, 9 institutions reported holding iShares Govt MMKT ETF (GMMF) in their 13F filings, up 1 from Q3 2025. 1 opened new positions and 0 sold out. The largest holders were BlackRock, Inc. ($25.1M), Hummer Financial Advisory Services Inc ($2.7M) and Tower Research Capital LLC (TRC) ($2.6M). One famous investor held it Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- iShares Govt MMKT ETF
- Filed as
- BLACKROCK ETF TRUST (Q4 2025)
- CUSIP
- 09290C749
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 1 | $471K |
| Exits | 0 | $0 |
All 13F filers, Q3 2025 → Q4 2025: 18,090 shares bought and 12,383 shares sold, net +5,707 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 9 holders
| BlackRock, Inc. | 0.00% | No change | 250,000 | $25.1M |
| Hummer Financial Advisory Services Inc | 1.90% | Reduce -2.5% | 26,900 | $2.7M |
| Tower Research Capital LLC (TRC) | 0.06% | Add +23.3% | 25,733 | $2.6M |
| Citadel Advisors | 0.00% | Reduce -44.3% | 11,259 | $1.1M |
| Jane Street Group, LLC | 0.00% | Add +321.8% | 11,185 | $1.1M |
| Thurston, Springer, Miller, Herd & Titak, Inc. | 0.17% | Reduce -29.9% | 4,977 | $499K |
| Northcape Wealth Management, LLC | 0.13% | New | 4,700 | $471K |
| Searle & Co. | 0.08% | No change | 3,000 | $301K |
| Royal Bank of Canada | 0.00% | Reduce -98.2% | 11 | $1K |
"% of holder's portfolio" is GMMF's weight in each manager's 13F, not the share of iShares Govt MMKT ETF the manager owns.