Interactive Brokers
IBKR
IBKR
736 hedge funds and large institutions have $15.5B invested in Interactive Brokers in 2025 Q1 according to their latest regulatory filings, with 137 funds opening new positions, 262 increasing their positions, 256 reducing their positions, and 88 closing their positions.
New
Increased
Maintained
Reduced
Closed
Holders
736
Holders Change
+35
Holders Change %
+4.99%
% of All Funds
10%
Holding in Top 10
22
Holding in Top 10 Change
-8
Holding in Top 10 Change %
-26.67%
% of All Funds
0.3%
New
137
Increased
262
Reduced
256
Closed
88
Calls
$391M
Puts
$305M
Net Calls
+$85.3M
Net Calls Change
+$26.5M
Top Buyers
| 1 |
American Century Companies
Kansas City,
Missouri
|
+$222M |
| 2 |
Marshall Wace
London,
United Kingdom
|
+$113M |
| 3 |
State Street
Boston,
Massachusetts
|
+$68.9M |
| 4 |
Two Sigma Advisers
New York
|
+$63.3M |
| 5 |
KBC Group
Brussels,
Belgium
|
+$62.1M |
