iShares Russell 2000 ETF
2,606 hedge funds and large institutions have $70.1B invested in iShares Russell 2000 ETF in 2025 Q4 according to their latest regulatory filings, with 362 funds opening new positions, 880 increasing their positions, 897 reducing their positions, and 142 closing their positions.
155% more first-time investments, than exits
New positions opened: 362 | Existing positions closed: 142
7% more funds holding
Funds holding: 2,437 → 2,606 (+169)
6% more capital invested
Capital invested by funds: $65.9B → $70.1B (+$4.21B)
3% more funds holding in top 10
Funds holding in top 10: 162 → 167 (+5)
2% less repeat investments, than reductions
Existing positions increased: 880 | Existing positions reduced: 897
1.44% less ownership
Funds ownership: 94.9% → 93.46% (-1.4%)
55% less call options, than puts
Call options by funds: $38.4B | Put options by funds: $85B
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Bank of America
Charlotte,
North Carolina
|
+$1.69B |
| 2 |
HF
HRT Financial
New York
|
+$537M |
| 3 |
Jane Street
New York
|
+$441M |
| 4 |
JF
Jump Financial
Chicago,
Illinois
|
+$304M |
| 5 |
IMC Chicago
Chicago,
Illinois
|
+$302M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
JP Morgan Chase
New York
|
-$898M |
| 2 |
Rafferty Asset Management
New York
|
-$387M |
| 3 |
VMPIC
Varma Mutual Pension Insurance Co
Helsinki,
Finland
|
-$353M |
| 4 |
Bank of Montreal
Toronto,
Ontario, Canada
|
-$308M |
| 5 |
Wells Fargo
San Francisco,
California
|
-$254M |
IWM Hedge Fund Activity: Q4 2025 in Review
2,606 of the 8,284 institutional investors tracked by Wall St. Rank reported a position in iShares Russell 2000 ETF (IWM) for Q4 2025, worth a combined $70.1B — up 6.4% from $65.9B a quarter earlier.
Buyers outnumbered sellers: 362 funds opened new IWM positions and 142 closed out — a net gain of 220 holders — while 880 added to existing stakes and 897 trimmed.
The largest buyer was Bank of America, adding an estimated $1.69B. The largest seller was JP Morgan Chase, cutting an estimated $898M.
- 2,606 institutional investors held iShares Russell 2000 ETF (IWM) as of Q4 2025, up from 2,437 in Q3 2025.
- Funds reported $70.1B of iShares Russell 2000 ETF stock for Q4 2025, up 6.4% quarter-over-quarter.
- 362 funds opened new iShares Russell 2000 ETF positions in Q4 2025 and 142 closed out, a net change of +220 holders.
- The largest iShares Russell 2000 ETF buyer in Q4 2025 was Bank of America, an estimated $1.69B added.
- The largest iShares Russell 2000 ETF seller in Q4 2025 was JP Morgan Chase, an estimated $898M sold.
Based on aggregated 13F filings for Q4 2025.