iShares Govt MMKT ETFGMMFETF
13F holders, Q1 2026 (March 31)12holders +3
3new positions
1sold out
1famous investor
$100.52avg. 13F price*
At the end of Q1 2026, 12 institutions reported holding iShares Govt MMKT ETF (GMMF) in their 13F filings, up 3 from Q4 2025. 3 opened new positions and 1 sold out. The largest holders were BlackRock, Inc. ($25.1M), Hummer Financial Advisory Services Inc ($3.2M) and Cambridge Investment Research Advisors, Inc. ($1.6M). One famous investor held it Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- iShares Govt MMKT ETF
- Filed as
- BLACKROCK ETF TRUST (Q1 2026)
- CUSIP
- 09290C749
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 3 | $2.2M |
| Exits | 1 | $2.6M |
All 13F filers, Q4 2025 → Q1 2026: 29,148 shares bought and 33,345 shares sold, net −4,197 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 12 holders
| BlackRock, Inc. | 0.00% | No change | 250,000 | $25.1M |
| Hummer Financial Advisory Services Inc | 2.27% | Add +19.0% | 32,000 | $3.2M |
| Cambridge Investment Research Advisors, Inc. | 0.00% | New | 16,407 | $1.6M |
| Jane Street Group, LLC | 0.00% | Reduce -18.3% | 9,144 | $919K |
| Thurston, Springer, Miller, Herd & Titak, Inc. | 0.29% | Add +39.6% | 6,948 | $698K |
| Citadel Advisors | 0.00% | Reduce -45.9% | 6,088 | $612K |
| Northcape Wealth Management, LLC | 0.12% | Reduce -8.5% | 4,300 | $432K |
| Granite Bay Wealth Management, LLC | 0.08% | New | 3,954 | $398K |
| Searle & Co. | 0.08% | No change | 3,000 | $302K |
| Wellington-Altus USA Inc. | 0.10% | New | 1,715 | $172K |
| Royal Bank of Canada | 0.00% | No change | 11 | $1K |
| Wells Fargo & Company | 0.00% | Add +0.0% | 1 | $64 |
"% of holder's portfolio" is GMMF's weight in each manager's 13F, not the share of iShares Govt MMKT ETF the manager owns.