GMMF iShares Government Money Market ETF
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Institutional owners (13F) 19 filers · $79.9M total · As of June 30, 2026
Institutions that report holding this stock in their quarterly SEC Form 13F. Long positions only; a single filer may appear twice for separate option legs. Large offsetting put/call legs typically reflect market-making or hedged inventory, not directional conviction.
Institutional activity — Q2 2026 vs prior quarter
| New positions | Exited positions | Increased | Decreased | Net shares change |
|---|---|---|---|---|
| 8 (+6 vs prior Q) | 0 (-1 vs prior Q) | 3 (+1 vs prior Q) | 3 (-1 vs prior Q) | +504K |
Compared to Q1 2026. SEC Form 13F filings are due within 45 days of quarter-end plus a short buffer for late filers — quarters still inside that window are skipped in favor of the most recent fully-reported pair.
| Institution | Value | Shares | % of tracked 13F | Type |
|---|---|---|---|---|
| MRWM Advisors, LLC | $42,568,384 | 424,326 | 53.30% | Shares |
| BlackRock, Inc. | $25,080,000 | 250,000 | 31.40% | Shares |
| Hummer Financial Advisory Services Inc | $3,109,920 | 31,000 | 3.89% | Shares |
| CITADEL ADVISORS LLC | $2,719,575 | 27,109 | 3.41% | Shares |
| Tower Research Capital LLC (TRC) | $2,415,505 | 24,078 | 3.02% | Shares |
| GOLDMAN SACHS GROUP INC | $965,580 | 9,625 | 1.21% | Shares |
| SAPIENT CAPITAL LLC | $775,474 | 7,730 | 0.97% | Shares |
| Cypress Capital, LLC | $517,952 | 5,163 | 0.65% | Shares |
| JANE STREET GROUP, LLC | $501,399 | 4,998 | 0.63% | Shares |
| NORTHCAPE WEALTH MANAGEMENT, LLC | $401,280 | 4,000 | 0.50% | Shares |
| SEARLE & CO. | $300,960 | 3,000 | 0.38% | Shares |
| Cetera Investment Advisers | $287,961 | 2,870 | 0.36% | Shares |
| NATIONAL BANK OF CANADA /FI/ | $165,311 | 1,648 | 0.21% | Shares |
| THURSTON, SPRINGER, MILLER, HERD & TITAK, INC. | $27,487 | 274 | 0.03% | Shares |
| HARBOUR INVESTMENTS, INC. | $19,964 | 199 | 0.02% | Shares |
| Cambridge Investment Research Advisors, Inc. | $2,740 | 27,312 | 0.00% | Shares |
| ROYAL BANK OF CANADA | $1,000 | 11 | 0.00% | Shares |
| Granite Bay Wealth Management, LLC | $633 | 6,314 | 0.00% | Shares |
| WELLS FARGO & COMPANY/MN | $60 | 1 | 0.00% | Shares |