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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
251
$2.75M
252
$2.72M
253
$2.65M
254
$2.64M
255
$2.6M
256
$2.57M
257
$2.55M
258
$2.53M
259
$2.52M
260
$2.52M
261
$2.51M
262
$2.49M
263
$2.43M
264
$2.41M
265
$2.4M
266
$2.39M
267
$2.32M
268
$2.32M
269
$2.3M
270
$2.29M
271
$2.27M
272
$2.27M
273
$2.26M
274
$2.26M
275
$2.26M