ISHARES GOVT MMKT ETF (GMMF) Institutional Ownership Changes & 13F Activity
ISHARES GOVT MMKT ETF (GMMF). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Mrwm Advisors, Llc, Tower Research Capital Llc (Trc), Citadel Advisors Llc, Cambridge Investment Research Advisors, Inc., and Goldman Sachs Group Inc.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Citadel Advisors Llc | Buy | +21,021 | +345.3% | 27,109 | $2.72M | Q2 2026 | Sep 02, 2026 |
| Goldman Sachs Group Inc | Buy | +9,625 | — | 9,625 | $965.58K | Q2 2026 | Aug 14, 2026 |
| Royal Bank Of Canada | Buy | +4,383 | +39845.5% | 4,394 | $441.00K | Q2 2026 | Aug 14, 2026 |
| Jane Street Group, Llc | Sell | -4,146 | -45.3% | 4,998 | $501.40K | Q2 2026 | Aug 14, 2026 |
| Granite Bay Wealth Management, Llc | Buy | +2,360 | +59.7% | 6,314 | $633.00K | Q2 2026 | Aug 14, 2026 |
| Cetera Investment Advisers | Buy | +2,870 | — | 2,870 | $287.96K | Q2 2026 | Aug 12, 2026 |
| Harbour Investments, Inc. | Buy | +199 | — | 199 | $19.96K | Q2 2026 | Aug 12, 2026 |
| Tower Research Capital Llc (Trc) | Buy | +24,078 | — | 24,078 | $2.42M | Q2 2026 | Aug 11, 2026 |
| National Bank Of Canada | Buy | +1,648 | — | 1,648 | $165.31K | Q2 2026 | Aug 10, 2026 |
| Northcape Wealth Management, Llc | Sell | -300 | -7.0% | 4,000 | $401.28K | Q2 2026 | Aug 10, 2026 |
| Cambridge Investment Research Advisors, Inc. | Buy | +10,905 | +66.5% | 27,312 | $2.74K | Q2 2026 | Jul 30, 2026 |
| Mrwm Advisors, Llc | Buy | +424,326 | — | 424,326 | $42.57M | Q2 2026 | Jul 29, 2026 |
| Cypress Capital, Llc | Buy | +5,163 | — | 5,163 | $517.95K | Q2 2026 | Jul 17, 2026 |
| Sapient Capital Llc | Buy | +7,730 | — | 7,730 | $775.47K | Q2 2026 | Jul 09, 2026 |
| Thurston, Springer, Miller, Herd & Titak, Inc. | Sell | -3,289 | -47.3% | 3,659 | $367.07K | Q2 2026 | Jul 08, 2026 |
| Hummer Financial Advisory Services Inc | Sell | -1,000 | -3.1% | 31,000 | $3.11M | Q2 2026 | Jul 07, 2026 |
Frequently asked questions about GMMF activity
Which institutional owners are buying GMMF?
Institutional owners buying GMMF include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in GMMF activity?
"Buy" means an investor increased their reported position in GMMF compared to the prior reporting period. This reflects growing exposure to ISHARES GOVT MMKT ETF (GMMF) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in GMMF increasing?
Institutional interest in GMMF can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.