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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 %
CIAS
776
CBIZ Investment Advisory Services
Ohio
$554 10 +8 +400%
SIC
777
SJS Investment Consulting
Ohio
$444 8 +4 +100%
WCM
778
WealthTrak Capital Management
Virginia
$444 8 +5 +167%
MCM
779
Manchester Capital Management
Vermont
$333 6 +6 New
HNW
780
High Note Wealth
Minnesota
$222 4 -38 -90%
MCM
781
MV Capital Management
Maryland
$222 4 +2 +100%
TFM
782
TFC Financial Management
Massachusetts
$222 4 +3 +300%
HIA
783
HFM Investment Advisors
New Jersey
$222 4 +3 +300%
BCM
784
Blume Capital Management
California
$111 2 +2 New
JAM
785
Jupiter Asset Management
United Kingdom
– – -239,000 Closed
WorldQuant Millennium Advisors
786
WorldQuant Millennium Advisors
New York
– – -160,622 Closed
Balyasny Asset Management
787
Balyasny Asset Management
Illinois
– – -152,131 Closed
CF
788
Corebridge Financial
Texas
– – -120,238 Closed
Tudor Investment Corp
789
Tudor Investment Corp
Connecticut
– – -106,525 Closed
BAM
790
BOCHK Asset Management
Hong Kong
– – -61,000 Closed
FGP
791
Freestone Grove Partners
California
– – -60,389 Closed
FC
792
FORA Capital
Florida
– – -51,188 Closed
BA
793
Bridgewater Associates
Connecticut
– – -46,304 Closed
Assenagon Asset Management
794
Assenagon Asset Management
Luxembourg
– – -36,760 Closed
MF
795
Magnetar Financial
Illinois
– – -34,504 Closed
VF
796
Virtu Financial
New York
– – -26,343 Closed
XT
797
XTX Topco
Cayman Islands
– – -25,703 Closed
LBWM
798
Left Brain Wealth Management
Illinois
– – -20,344 Closed
EC
799
Estate Counselors
Wisconsin
– – -19,864 Closed
DTL
800
Dynamic Technology Lab
Singapore
– – -15,989 Closed
30 31
32
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