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Interactive Brokers
IBKR

Overview Fund Activity

784 hedge funds and large institutions have $20.9B invested in Interactive Brokers in 2025 Q2 according to their latest regulatory filings, with 143 funds opening new positions, 620 increasing their positions, 18 reducing their positions, and 79 closing their positions.

Holders
784
Holders Change
+48
Holders Change %
+6.52%
% of All Funds
10.53%
Holding in Top 10
30
Holding in Top 10 Change
+8
Holding in Top 10 Change %
+36.36%
% of All Funds
0.4%
New
143
Increased
620
Reduced
18
Closed
79
Calls
$399M
Puts
$335M
Net Calls
+$64.1M
Net Calls Change
-$21.2M

Top Buyers

1
Vanguard Group
1
Vanguard Group
Pennsylvania
$2.32B
2
BlackRock
2
BlackRock
New York
$2.23B
3
State Street
3
State Street
Massachusetts
$838M
4
CCM
4
Cantillon Capital Management
New York
$709M
5
Kayne Anderson Rudnick Investment Management
5
Kayne Anderson Rudnick Investment Management
California
$692M

Top Sellers

1
JAM
1
Jupiter Asset Management
United Kingdom
$0
2
WorldQuant Millennium Advisors
2
WorldQuant Millennium Advisors
New York
$0
3
Balyasny Asset Management
3
Balyasny Asset Management
Illinois
$0
4
CF
4
Corebridge Financial
Texas
$0
5
Tudor Investment Corp
5
Tudor Investment Corp
Connecticut
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Wells Fargo
26
Wells Fargo
California
$190M 3,427,977 +2,558,209 +294%
Two Sigma Advisers
27
Two Sigma Advisers
New York
$187M 3,378,900 +2,530,600 +298%
Charles Schwab
28
Charles Schwab
California
$183M 3,311,299 +2,466,506 +292%
Bank of New York Mellon
29
Bank of New York Mellon
New York
$179M 3,233,651 +2,348,305 +265%
Two Sigma Investments
30
Two Sigma Investments
New York
$167M 3,022,728 +2,350,877 +350%
BCM
31
Bares Capital Management
Texas
$167M 3,011,100 +2,166,563 +257%
BCM
32
Bronte Capital Management
Australia
$150M 2,404,649 +1,878,065 +357%
SFM
33
Soros Fund Management
New York
$124M 2,233,727 +2,035,570 +1,027%
P3I
34
Progeny 3 Inc
Washington
$118M 2,126,460 +1,802,445 +556%
AM
35
AGF Management
Ontario, Canada
$114M 2,064,368 +1,505,991 +270%
Raymond James Financial
36
Raymond James Financial
Florida
$114M 2,060,404 +1,465,104 +246%
Ensign Peak Advisors
37
Ensign Peak Advisors
Utah
$114M 2,059,466 +1,559,866 +312%
UBS AM
38
UBS AM
Illinois
$112M 2,021,143 +1,596,173 +376%
UBS Group
39
UBS Group
Switzerland
$111M 1,998,659 +1,632,439 +446%
Renaissance Technologies
40
Renaissance Technologies
New York
$110M 1,978,940 +1,269,630 +179%
Empower Advisory Group
41
Empower Advisory Group
Colorado
$102M 1,846,846 +1,399,195 +313%
Legal & General Group
42
Legal & General Group
United Kingdom
$97.6M 1,761,844 +1,341,784 +319%
AA
43
Ancient Art
Texas
$91.1M 1,643,636 +1,232,727 +300%
TCM
44
TimesSquare Capital Management
New York
$88.1M 1,590,275 +1,198,025 +305%
Qube Research & Technologies (QRT)
45
Qube Research & Technologies (QRT)
United Kingdom
$84.1M 1,518,528 +719,516 +90%
Alyeska Investment Group
46
Alyeska Investment Group
Illinois
$83.6M 1,508,103 +1,508,103 New
First Trust Advisors
47
First Trust Advisors
Illinois
$83.4M 1,504,814 +1,135,535 +308%
Citigroup
48
Citigroup
New York
$83.3M 1,503,620 +1,126,887 +299%
Millennium Management
49
Millennium Management
New York
$80.4M 1,450,985 +947,523 +188%
1832 Asset Management
50
1832 Asset Management
Ontario, Canada
$78.4M 1,414,777 +1,153,944 +442%
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