iShares Government Money Market ETF
GMMF
19 hedge funds and large institutions have $84M invested in iShares Government Money Market ETF in 2026 Q2 according to their latest regulatory filings, with 8 funds opening new positions, 4 increasing their positions, 4 reducing their positions, and 1 closing their positions.
4,821% more capital inflows, than outflows
Capital inflows: $51.6M | Capital outflows: $1.05M
700% more first-time investments, than exits
New positions opened: 8 | Existing positions closed: 1
100% more funds holding in top 10
Funds holding in top 10: 1 → 2 (+1)
58% more funds holding
Funds holding: 12 → 19 (+7)
15.78% more ownership
Funds ownership: 32.07% → 47.85% (+16%)
0% more repeat investments, than reductions
Existing positions increased: 4 | Existing positions reduced: 4
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
CCA
Cypress Capital Advisors
Franklin,
Tennessee
|
+$42.5M |
| 2 |
Tower Research Capital (TRC)
New York
|
+$2.41M |
| 3 |
Citadel Advisors
Miami,
Florida
|
+$2.11M |
| 4 |
Cambridge Investment Research Advisors
Fairfield,
Iowa
|
+$1.09M |
| 5 |
Goldman Sachs
New York
|
+$965K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Jane Street
New York
|
-$416K |
| 2 |
TSMHT
Thurston Springer Miller Herd & Titak
Indianapolis,
Indiana
|
-$330K |
| 3 |
WAU
Wellington-Altus USA
Winnipeg, Manitoba,
Manitoba, Canada
|
-$172K |
| 4 |
HFAS
Hummer Financial Advisory Services
Chicago,
Illinois
|
-$100K |
| 5 |
NWM
Northcape Wealth Management
Williamsville,
New York
|
-$30.1K |
GMMF Hedge Fund Activity: Q2 2026 in Review
19 of the 8,355 institutional investors tracked by Wall St. Rank reported a position in iShares Government Money Market ETF (GMMF) for Q2 2026, worth a combined $84M — up 151% from $33.5M a quarter earlier.
Buyers outnumbered sellers: 8 funds opened new GMMF positions and 1 closed out — a net gain of 7 holders — while 4 added to existing stakes and 4 trimmed.
The largest buyer was Cypress Capital Advisors, opening a new position worth an estimated $42.5M. The largest seller was Jane Street, cutting an estimated $416K.
- 19 institutional investors held iShares Government Money Market ETF (GMMF) as of Q2 2026, up from 12 in Q1 2026.
- Funds reported $84M of iShares Government Money Market ETF stock for Q2 2026, up 151% quarter-over-quarter.
- 8 funds opened new iShares Government Money Market ETF positions in Q2 2026 and 1 closed out, a net change of +7 holders.
- The largest iShares Government Money Market ETF buyer in Q2 2026 was Cypress Capital Advisors, an estimated $42.5M added.
- The largest iShares Government Money Market ETF seller in Q2 2026 was Jane Street, an estimated $416K sold.
Based on aggregated 13F filings for Q2 2026.