iShares Prime Money Market ETF
PMMF
13 hedge funds and large institutions have $120M invested in iShares Prime Money Market ETF in 2025 Q2 according to their latest regulatory filings, with 8 funds opening new positions, 1 increasing their positions, 3 reducing their positions, and 1 closing their positions.
700% more first-time investments, than exits
New positions opened: 8 | Existing positions closed: 1
117% more funds holding
Funds holding: 6 → 13 (+7)
3% less capital invested
Capital invested by funds: $123M → $120M (-$3.41M)
1.37% less ownership
Funds ownership: 48.55% → 47.18% (-1.4%)
67% less repeat investments, than reductions
Existing positions increased: 1 | Existing positions reduced: 3
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
HP
Hikari Power
Tokyo,
Japan
|
+$10.3M |
| 2 |
WS
Wedbush Securities
Los Angeles,
California
|
+$1.12M |
| 3 |
HFAS
Hummer Financial Advisory Services
Chicago,
Illinois
|
+$1.1M |
| 4 |
Citadel Advisors
Miami,
Florida
|
+$1.05M |
| 5 |
SA
Stewardship Advisors
Mount Joy,
Pennsylvania
|
+$709K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
FDCDDQ
Federation des caisses Desjardins du Quebec
Levis,
Quebec, Canada
|
-$15.7M |
| 2 |
GC
Giverny Capital
Montreal,
Quebec, Canada
|
-$1.29M |
| 3 |
Jane Street
New York
|
-$1.05M |
| 4 |
Royal Bank of Canada
Toronto,
Ontario, Canada
|
-$1M |
PMMF Hedge Fund Activity: Q2 2025 in Review
13 of the 7,613 institutional investors tracked by Wall St. Rank reported a position in iShares Prime Money Market ETF (PMMF) for Q2 2025, worth a combined $120M — down 2.8% from $123M a quarter earlier.
Buyers outnumbered sellers: 8 funds opened new PMMF positions and 1 closed out — a net gain of 7 holders — while 1 added to existing stakes and 3 trimmed.
The largest buyer was Hikari Power, opening a new position worth an estimated $10.3M. The largest seller was Federation des caisses Desjardins du Quebec, cutting an estimated $15.7M.
- 13 institutional investors held iShares Prime Money Market ETF (PMMF) as of Q2 2025, up from 6 in Q1 2025.
- Funds reported $120M of iShares Prime Money Market ETF stock for Q2 2025, down 2.8% quarter-over-quarter.
- 8 funds opened new iShares Prime Money Market ETF positions in Q2 2025 and 1 closed out, a net change of +7 holders.
- The largest iShares Prime Money Market ETF buyer in Q2 2025 was Hikari Power, an estimated $10.3M added.
- The largest iShares Prime Money Market ETF seller in Q2 2025 was Federation des caisses Desjardins du Quebec, an estimated $15.7M sold.
Based on aggregated 13F filings for Q2 2025.