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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 %
Barclays
101
Barclays
United Kingdom
$23.9M 430,826 +299,993 +229%
State Board of Administration of Florida Retirement System
102
State Board of Administration of Florida Retirement System
Florida
$23.7M 426,960 +321,780 +306%
FI
103
Firetrail Investments
Australia
$23.3M 421,471 +314,171 +293%
TI
104
Trexquant Investment
Connecticut
$22.5M 405,211 +287,838 +245%
Verition Fund Management
105
Verition Fund Management
Connecticut
$22.4M 404,962 +204,108 +102%
N
106
Natixis
France
$22.4M 404,557 +403,779 +51,900%
GF
107
Gabelli Funds
New York
$22.3M 401,765 +307,599 +327%
LM
108
Lansing Management
New York
$22.1M 399,736 +299,802 +300%
DIA
109
Dana Investment Advisors
Wisconsin
$21.4M 386,880 +280,950 +265%
PCM
110
Prana Capital Management
Connecticut
$21.3M 385,087 +327,172 +565%
TC
111
Tairen Capital
Hong Kong
$21.3M 383,600 +284,000 +285%
WG
112
Winton Group
United Kingdom
$21.1M 381,330 +374,862 +5,796%
T. Rowe Price Associates
113
T. Rowe Price Associates
Maryland
$20.7M 374,155 +284,833 +319%
Mitsubishi UFJ Asset Management
114
Mitsubishi UFJ Asset Management
Japan
$20.7M 374,008 +288,055 +335%
HF
115
HRT Financial
New York
$19.1M 345,486 +218,447 +172%
RIM
116
Rovida Investment Management
Cayman Islands
$18.8M 340,000 +255,000 +300%
WC
117
Winmill & Co
New York
$18.1M 327,200 +245,400 +300%
QOP
118
Quinn Opportunity Partners
Virginia
$17.2M 311,000 +190,452 +158%
New York State Teachers Retirement System (NYSTRS)
119
New York State Teachers Retirement System (NYSTRS)
New York
$17.2M 309,548 +232,161 +300%
Wealth Enhancement Advisory Services
120
Wealth Enhancement Advisory Services
Minnesota
$16.8M 290,303 +241,939 +500%
Jane Street
121
Jane Street
New York
$16.1M 290,532 +120,477 +71%
SPC
122
Stony Point Capital
New York
$15.9M 286,991 +109,091 +61%
Universal-Beteiligungs- und Servicegesellschaft
123
Universal-Beteiligungs- und Servicegesellschaft
Germany
$15.9M 286,470 +223,235 +353%
OBGC
124
O'Brien Greene & Co
Pennsylvania
$15.6M 281,689 +208,961 +287%
Ohio Public Employees Retirement System (OPERS)
125
Ohio Public Employees Retirement System (OPERS)
Ohio
$15.6M 281,554 +224,932 +397%
3 4
5
6 7