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Interactive Brokers

888 hedge funds and large institutions have $26B invested in Interactive Brokers in 2025 Q3 according to their latest regulatory filings, with 189 funds opening new positions, 300 increasing their positions, 296 reducing their positions, and 79 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more funds holding in top 10

Funds holding in top 10:

more funds holding

Funds holding:

1% more repeat investments, than reductions

Existing positions increased: 300 | Existing positions reduced: 296

1% more call options, than puts

Call options by funds: $601M | Put options by funds: $597M

261.98% less ownership

Funds ownership: 346.6%84.62% (-262%)

Holders
888
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
35
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$601M
Puts
$597M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Millennium Management
76
Millennium Management
New York
$53.4M
PEAK6
77
PEAK6
Illinois
$50.9M
Connor, Clark & Lunn Investment Management (CC&L)
78
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$50M
LPL Financial
79
LPL Financial
California
$49.8M
National Pension Service
80
National Pension Service
South Korea
$48.7M
PAM
81
Panagora Asset Management
Massachusetts
$47.3M
California State Teachers Retirement System (CalSTRS)
82
California State Teachers Retirement System (CalSTRS)
California
$45.9M
Stifel Financial
83
Stifel Financial
Missouri
$45.8M
Allspring Global Investments
84
Allspring Global Investments
North Carolina
$44.9M
Federated Hermes
85
Federated Hermes
Pennsylvania
$43.1M
Bank of Montreal
86
Bank of Montreal
Ontario, Canada
$41M
Pictet Asset Management
87
Pictet Asset Management
Switzerland
$40.7M
BA
88
Bridgewater Associates
Connecticut
$40.1M
LCAM
89
London & Capital Asset Management
United Kingdom
$40M
HWCM
90
Hudson Way Capital Management
Texas
$39.1M
MAMU
91
Marathon Asset Management (UK)
United Kingdom
$36.1M
Capital Fund Management (CFM)
92
Capital Fund Management (CFM)
France
$36M
Principal Financial Group
93
Principal Financial Group
Iowa
$34.5M
S
94
Systrade
Liechtenstein
$34.4M
AllianceBernstein
95
AllianceBernstein
Tennessee
$34.4M
Treasurer of the State of North Carolina
96
Treasurer of the State of North Carolina
North Carolina
$34.2M
Allianz Asset Management
97
Allianz Asset Management
Germany
$33.3M
New York State Common Retirement Fund
98
New York State Common Retirement Fund
New York
$32.9M
Mawer Investment Management
99
Mawer Investment Management
Alberta, Canada
$31.7M
PCH
100
Polar Capital Holdings
United Kingdom
$30.7M