Who owns GMMF?
iShares Government Money Market ETF · iShares
19 institutions reported holding GMMF, worth $86.8M, in Form 13F filings for June 30, 2026.
Top 10 institutional holders of GMMF
| Firm | Location | Value | Shares | Change |
|---|---|---|---|---|
| MRWM Advisors, LLC | Nashville, TN | $42.6M | 424,326 | New position |
| BlackRock, Inc. | New York, NY | $25.1M | 250,000 | No change |
| Cambridge Investment Research Advisors, Inc. | Fairfield, IA | $5.5M | 54,624 | +38,217 shares |
| Hummer Financial Advisory Services Inc | Chicago, IL | $3.1M | 31,000 | −1,000 shares |
| Citadel Advisors LLC | Miami, FL | $2.7M | 27,109 | +21,021 shares |
| Tower Research Capital LLC (TRC) | New York, NY | $2.4M | 24,078 | New position |
| Goldman Sachs Group Inc. | New York, NY | $966K | 9,625 | New position |
| Sapient Capital LLC | Indianapolis, IN | $775K | 7,730 | New position |
| Granite Bay Wealth Management, LLC | Portsmouth, NH | $633K | 6,314 | +2,360 shares |
| Cypress Capital, LLC | Franklin, TN | $518K | 5,163 | New position |
From SEC Form 13F, for managers with $100M+ in US securities. Change compares June 30, 2026 with March 31, 2026. “New position” means no holding in the prior filing we have.
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Frequently asked questions
Who owns GMMF?
19 institutional managers reported holding GMMF in Form 13F filings for June 30, 2026, worth $86.8M in total. The largest reported position was held by MRWM Advisors, LLC, at $42.6M.
Did institutions buy or sell GMMF last quarter?
Reported 13F value rose 160.1% from March 31, 2026, which includes price moves as well as buying and selling. 8 firms reported a new position and 0 sold all of theirs.
What is a Form 13F?
A quarterly report filed with the SEC by institutional investment managers with $100 million or more in qualifying US securities. It lists their long positions at quarter end. It doesn't cover retail investors, cash, short positions, or managers under the threshold, so it shows part of a fund's ownership, not all of it.
How often is GMMF ownership data updated?
13F filings are due 45 days after each quarter ends. The next set is due around mid-November. Positions can be up to about four and a half months old by the time a new set arrives.