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Interactive Brokers
IBKR

Overview Fund Activity

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
American Century Companies
Missouri
+$222M
2
Marshall Wace
Marshall Wace
United Kingdom
+$113M
3
State Street
State Street
Massachusetts
+$68.9M
4
Two Sigma Advisers
Two Sigma Advisers
New York
+$63.3M
5
KBC Group
KBC Group
Belgium
+$62.1M

Top Sellers

1
OAG
Orbis Allan Gray
Bermuda
-$297M
2
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
-$148M
3
Kayne Anderson Rudnick Investment Management
Kayne Anderson Rudnick Investment Management
California
-$119M
4
Wellington Management Group
Wellington Management Group
Massachusetts
-$84.5M
5
FFM
Fullerton Fund Management
Singapore
-$69.1M
Name Holding Trade Value Shares
Change 		Shares
Change %
Squarepoint
101
Squarepoint
New York
$20.3M -$25.3M -612,204 -55%
QOP
102
Quinn Opportunity Partners
Virginia
$20M +$8.86M +214,000 +80%
CF
103
Corebridge Financial
Texas
$19.9M -$487K -11,756 -2%
TI
104
Trexquant Investment
Connecticut
$19.4M +$5.56M +134,196 +40%
KCM
105
Kodai Capital Management
Illinois
$18.2M +$10.8M +261,980 +147%
FI
106
Firetrail Investments
Australia
$18M -$4.17M -99,676 -19%
Tudor Investment Corp
107
Tudor Investment Corp
Connecticut
$17.6M +$16.9M +407,412 +2,180%
DIA
108
Dana Investment Advisors
Wisconsin
$17.5M -$3.96M -95,632 -18%
State Board of Administration of Florida Retirement System
109
State Board of Administration of Florida Retirement System
Florida
$17.4M +$1.06M +25,680 +7%
LM
110
Lansing Management
New York
$16.5M -$1.1M -26,500 -6%
TC
111
Tairen Capital
Hong Kong
$16.5M +$16.5M +398,400 New
Amundi
112
Amundi
France
$16.3M -$6.23M -156,152 -28%
GF
113
Gabelli Funds
New York
$15.6M -$2.02M -48,880 -11%
Canada Pension Plan Investment Board
114
Canada Pension Plan Investment Board
Ontario, Canada
$15.6M -$31.7M -765,836 -67%
T. Rowe Price Associates
115
T. Rowe Price Associates
Maryland
$14.8M +$3.97M +95,792 +37%
CM
116
Cercano Management
Washington
$14.4M – – –
BNP Paribas Financial Markets
117
BNP Paribas Financial Markets
France
$14.3M +$1.9M +45,828 +15%
Mitsubishi UFJ Asset Management
118
Mitsubishi UFJ Asset Management
Japan
$14.2M +$14.2M +342,768 +32,832%
RIM
119
Rovida Investment Management
Cayman Islands
$14.1M -$2.48M -60,000 -15%
QT
120
Quantbot Technologies
New York
$13.8M +$11.3M +272,892 +452%
WC
121
Winmill & Co
New York
$13.5M – – –
VAS
122
Vestmark Advisory Solutions
Massachusetts
$13M +$6.53M +157,676 +100%
New York State Teachers Retirement System (NYSTRS)
123
New York State Teachers Retirement System (NYSTRS)
New York
$12.8M +$1.22M +29,440 +11%
SSA
124
Schonfeld Strategic Advisors
New York
$12.6M -$321K -7,752 -2%
State of Wisconsin Investment Board
125
State of Wisconsin Investment Board
Wisconsin
$12.3M -$6.58M -158,964 -35%
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