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Interactive Brokers

742 hedge funds and large institutions have $15.5B invested in Interactive Brokers in 2025 Q1 according to their latest regulatory filings, with 135 funds opening new positions, 267 increasing their positions, 259 reducing their positions, and 89 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more funds holding

Funds holding:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

0.34% less ownership

Funds ownership: 343.76%343.42% (-0.34%)

9% less capital invested

Capital invested by funds: $16.9B → $15.5B (-$1.45B)

27% less funds holding in top 10

Funds holding in top 10: 3022 (-8)

Holders
742
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
22
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$391M
Puts
$305M
Net Calls
Net Calls Change

Top Buyers

1 +$266M
2 +$135M
3 +$82.5M
4
Two Sigma Advisers
Two Sigma Advisers
New York
+$75.8M
5
KBC Group
KBC Group
Belgium
+$74.4M
Name Holding Trade Value Shares
Change
Change in
Stake
551
$242K
552
$239K
553
$230K
554
$228K
555
$228K
556
$228K
557
$227K
558
$226K
559
$224K
560
$222K
561
$222K
562
$221K
563
$217K
564
$216K
565
$212K
566
$211K
567
$210K
568
$210K
569
$209K
570
$208K
571
$207K
572
$206K
573
$203K
574
$202K
575
$191K