iShares Russell 2000 ETF
IWM
2,362 hedge funds and large institutions have $63.4B invested in iShares Russell 2000 ETF in 2025 Q2 according to their latest regulatory filings, with 197 funds opening new positions, 741 increasing their positions, 1,012 reducing their positions, and 158 closing their positions.
25% more first-time investments, than exits
New positions opened: 197 | Existing positions closed: 158
1.8% more ownership
Funds ownership: 97.19% → 98.99% (+1.8%)
2% more capital invested
Capital invested by funds: $62.1B → $63.4B (+$1.34B)
0% more funds holding
Funds holding: 2,359 → 2,362 (+3)
8% less funds holding in top 10
Funds holding in top 10: 165 → 152 (-13)
27% less repeat investments, than reductions
Existing positions increased: 741 | Existing positions reduced: 1,012
48% less call options, than puts
Call options by funds: $60.8B | Put options by funds: $116B
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Holocene Advisors
New York
|
+$1.15B |
| 2 |
Bank of America
Charlotte,
North Carolina
|
+$919M |
| 3 |
JP Morgan Chase
New York
|
+$430M |
| 4 |
DCP
Durable Capital Partners
Bethesda,
Maryland
|
+$268M |
| 5 |
Bank of Montreal
Toronto,
Ontario, Canada
|
+$251M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Toronto,
Ontario, Canada
|
-$1.08B |
| 2 |
Tudor Investment Corp
Stamford,
Connecticut
|
-$709M |
| 3 |
Goldman Sachs
New York
|
-$649M |
| 4 |
Jones Financial Companies
Des Peres,
Missouri
|
-$624M |
| 5 |
Morgan Stanley
New York
|
-$478M |
IWM Hedge Fund Activity: Q2 2025 in Review
2,362 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in iShares Russell 2000 ETF (IWM) for Q2 2025, worth a combined $63.4B — up 2.2% from $62.1B a quarter earlier.
Buyers outnumbered sellers: 197 funds opened new IWM positions and 158 closed out — a net gain of 39 holders — while 741 added to existing stakes and 1,012 trimmed.
The largest buyer was Holocene Advisors, opening a new position worth an estimated $1.15B. The largest seller was Healthcare of Ontario Pension Plan (HOOPP) Trust Fund, cutting an estimated $1.08B.
- 2,362 institutional investors held iShares Russell 2000 ETF (IWM) as of Q2 2025, up from 2,359 in Q1 2025.
- Funds reported $63.4B of iShares Russell 2000 ETF stock for Q2 2025, up 2.2% quarter-over-quarter.
- 197 funds opened new iShares Russell 2000 ETF positions in Q2 2025 and 158 closed out, a net change of +39 holders.
- The largest iShares Russell 2000 ETF buyer in Q2 2025 was Holocene Advisors, an estimated $1.15B added.
- The largest iShares Russell 2000 ETF seller in Q2 2025 was Healthcare of Ontario Pension Plan (HOOPP) Trust Fund, an estimated $1.08B sold.
Based on aggregated 13F filings for Q2 2025.