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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 %
Federated Hermes
76
Federated Hermes
Pennsylvania
$41.8M 754,113 +538,414 +250%
PEAK6
77
PEAK6
Illinois
$40.9M 738,981 +738,981 New
MAMU
78
Marathon Asset Management (UK)
United Kingdom
$39.9M 719,904 +537,366 +294%
JF
79
Jump Financial
Illinois
$39M 704,088 +497,041 +240%
Amundi
80
Amundi
France
$38.8M 666,333 +564,274 +553%
National Pension Service
81
National Pension Service
South Korea
$38.4M 692,295 +519,046 +300%
LPL Financial
82
LPL Financial
California
$38.2M 689,614 +520,194 +307%
HWCM
83
Hudson Way Capital Management
Texas
$37.9M 684,074 +546,429 +397%
Deutsche Bank
84
Deutsche Bank
Germany
$37.1M 670,274 +528,717 +374%
IIM
85
INTECH Investment Management
Florida
$37.1M 668,977 +530,831 +384%
California State Teachers Retirement System (CalSTRS)
86
California State Teachers Retirement System (CalSTRS)
California
$36.9M 666,192 +537,533 +418%
CFM
87
Coronation Fund Managers
South Africa
$36.4M 656,725 +459,964 +234%
Treasurer of the State of North Carolina
88
Treasurer of the State of North Carolina
North Carolina
$36.1M 651,274 +594,654 +1,050%
Stifel Financial
89
Stifel Financial
Missouri
$34.3M 619,421 +458,566 +285%
Ameriprise
90
Ameriprise
Minnesota
$33.7M 608,247 +451,614 +288%
AllianceBernstein
91
AllianceBernstein
Tennessee
$33.4M 602,977 +463,212 +331%
PCH
92
Polar Capital Holdings
United Kingdom
$31.8M 574,476 +439,430 +325%
Canada Life
93
Canada Life
Manitoba, Canada
$30.8M 556,042 +421,745 +314%
Robeco Institutional Asset Management
94
Robeco Institutional Asset Management
Netherlands
$28.6M 516,526 +381,656 +283%
New York State Common Retirement Fund
95
New York State Common Retirement Fund
New York
$28M 505,808 +446,106 +747%
BCM
96
Brooktree Capital Management
Michigan
$27.8M 501,839 +375,254 +296%
Mawer Investment Management
97
Mawer Investment Management
Alberta, Canada
$25M 452,048 +321,197 +245%
WAM
98
Weiss Asset Management
Massachusetts
$24.9M 449,952 +449,952 New
LCAM
99
London & Capital Asset Management
United Kingdom
$24.9M 448,733 +448,733 New
NCM
100
Nearwater Capital Markets
Ireland
$24.4M 440,000 +440,000 New
2 3
4
5 6