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iShares Russell 2000 Growth ETF

1,063 hedge funds and large institutions have $10.4B invested in iShares Russell 2000 Growth ETF in 2025 Q4 according to their latest regulatory filings, with 138 funds opening new positions, 327 increasing their positions, 290 reducing their positions, and 51 closing their positions.

New
Increased
Maintained
Reduced
Closed

171% more first-time investments, than exits

New positions opened: 138 | Existing positions closed: 51

104% more call options, than puts

Call options by funds: $11.9M | Put options by funds: $5.81M

23% more funds holding in top 10

Funds holding in top 10: 2632 (+6)

13% more repeat investments, than reductions

Existing positions increased: 327 | Existing positions reduced: 290

7% more capital invested

Capital invested by funds: $9.64B → $10.4B (+$719M)

7% more funds holding

Funds holding: 9911,063 (+72)

4.06% more ownership

Funds ownership: 74.54%78.59% (+4.1%)

Holders
1,063
Holders Change
+72
Holders Change %
+7.27%
% of All Funds
12.87%
Holding in Top 10
32
Holding in Top 10 Change
+6
Holding in Top 10 Change %
+23.08%
% of All Funds
0.39%
New
138
Increased
327
Reduced
290
Closed
51
Calls
$11.9M
Puts
$5.81M
Net Calls
+$6.04M
Net Calls Change
-$2.83M

IWO Hedge Fund Activity: Q4 2025 in Review

1,063 of the 8,261 institutional investors tracked by Wall St. Rank reported a position in iShares Russell 2000 Growth ETF (IWO) for Q4 2025, worth a combined $10.4B — up 7.5% from $9.64B a quarter earlier.

Buyers outnumbered sellers: 138 funds opened new IWO positions and 51 closed out — a net gain of 87 holders — while 327 added to existing stakes and 290 trimmed.

The largest buyer was Bank of America, adding an estimated $129M. The largest seller was JP Morgan Chase, cutting an estimated $157M.

  • 1,063 institutional investors held iShares Russell 2000 Growth ETF (IWO) as of Q4 2025, up from 991 in Q3 2025.
  • Funds reported $10.4B of iShares Russell 2000 Growth ETF stock for Q4 2025, up 7.5% quarter-over-quarter.
  • 138 funds opened new iShares Russell 2000 Growth ETF positions in Q4 2025 and 51 closed out, a net change of +87 holders.
  • The largest iShares Russell 2000 Growth ETF buyer in Q4 2025 was Bank of America, an estimated $129M added.
  • The largest iShares Russell 2000 Growth ETF seller in Q4 2025 was JP Morgan Chase, an estimated $157M sold.

Based on aggregated 13F filings for Q4 2025.