iShares Russell 1000 ETF
1,391 hedge funds and large institutions have $33B invested in iShares Russell 1000 ETF in 2025 Q2 according to their latest regulatory filings, with 128 funds opening new positions, 425 increasing their positions, 439 reducing their positions, and 55 closing their positions.
538% more call options, than puts
Call options by funds: $21M | Put options by funds: $3.29M
133% more first-time investments, than exits
New positions opened: 128 | Existing positions closed: 55
10% more capital invested
Capital invested by funds: $30B → $33B (+$3.03B)
4% more funds holding
Funds holding: 1,343 → 1,391 (+48)
2% more funds holding in top 10
Funds holding in top 10: 95 → 97 (+2)
3% less repeat investments, than reductions
Existing positions increased: 425 | Existing positions reduced: 439
1.23% less ownership
Funds ownership: 80.7% → 79.47% (-1.2%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Bank of America
Charlotte,
North Carolina
|
+$194M |
| 2 |
Jones Financial Companies
Des Peres,
Missouri
|
+$185M |
| 3 |
HHGA
Halbert Hargrove Global Advisors
Long Beach,
California
|
+$141M |
| 4 |
Fidelity Investments
Boston,
Massachusetts
|
+$98M |
| 5 |
Wealth Enhancement Advisory Services
Plymouth,
Minnesota
|
+$64.4M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
-$235M |
| 2 |
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Toronto,
Ontario, Canada
|
-$177M |
| 3 |
JHU
Johns Hopkins University
Baltimore,
Maryland
|
-$116M |
| 4 |
AC
Allstate Corporation
Northbrook,
Illinois
|
-$94.8M |
| 5 |
Morgan Stanley
New York
|
-$84.9M |
IWB Hedge Fund Activity: Q2 2025 in Review
1,391 of the 7,613 institutional investors tracked by Wall St. Rank reported a position in iShares Russell 1000 ETF (IWB) for Q2 2025, worth a combined $33B — up 10% from $30B a quarter earlier.
Buyers outnumbered sellers: 128 funds opened new IWB positions and 55 closed out — a net gain of 73 holders — while 425 added to existing stakes and 439 trimmed.
The largest buyer was Bank of America, adding an estimated $194M. The largest seller was BlackRock, cutting an estimated $235M.
- 1,391 institutional investors held iShares Russell 1000 ETF (IWB) as of Q2 2025, up from 1,343 in Q1 2025.
- Funds reported $33B of iShares Russell 1000 ETF stock for Q2 2025, up 10% quarter-over-quarter.
- 128 funds opened new iShares Russell 1000 ETF positions in Q2 2025 and 55 closed out, a net change of +73 holders.
- The largest iShares Russell 1000 ETF buyer in Q2 2025 was Bank of America, an estimated $194M added.
- The largest iShares Russell 1000 ETF seller in Q2 2025 was BlackRock, an estimated $235M sold.
Based on aggregated 13F filings for Q2 2025.