IWB icon

iShares Russell 1000 ETF

1,334 hedge funds and large institutions have $30B invested in iShares Russell 1000 ETF in 2025 Q1 according to their latest regulatory filings, with 89 funds opening new positions, 408 increasing their positions, 447 reducing their positions, and 75 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

less ownership

Funds ownership:

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less funds holding

Funds holding:

8% less capital invested

Capital invested by funds: $32.4B → $30B (-$2.43B)

12% less funds holding in top 10

Funds holding in top 10: 10794 (-13)

59% less call options, than puts

Call options by funds: $19.8M | Put options by funds: $47.7M

Holders
1,334
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
94
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$19.8M
Puts
$47.7M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
526
$1.67M
527
$1.65M
528
$1.63M
529
$1.62M
530
$1.61M
531
$1.61M
532
$1.6M
533
$1.6M
534
$1.59M
535
$1.58M
536
$1.58M
537
$1.57M
538
$1.54M
539
$1.54M
540
$1.54M
541
$1.53M
542
$1.53M
543
$1.53M
544
$1.52M
545
$1.52M
546
$1.52M
547
$1.49M
548
$1.49M
549
$1.49M
550
$1.48M