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Interactive Brokers

905 hedge funds and large institutions have $26.1B invested in Interactive Brokers in 2025 Q3 according to their latest regulatory filings, with 191 funds opening new positions, 308 increasing their positions, 301 reducing their positions, and 78 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:

2% more repeat investments, than reductions

Existing positions increased: 308 | Existing positions reduced: 301

1% more call options, than puts

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

261.18% less ownership

Funds ownership: 346.34%85.16% (-261%)

Holders
905
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
Citadel Advisors
76
Citadel Advisors
Florida
$53.5M
Millennium Management
77
Millennium Management
New York
$53.4M
PEAK6
78
PEAK6
Illinois
$50.9M
Connor, Clark & Lunn Investment Management (CC&L)
79
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$50M
LPL Financial
80
LPL Financial
California
$49.8M
National Pension Service
81
National Pension Service
South Korea
$48.7M
PAM
82
Panagora Asset Management
Massachusetts
$47.3M
California State Teachers Retirement System (CalSTRS)
83
California State Teachers Retirement System (CalSTRS)
California
$45.9M
Stifel Financial
84
Stifel Financial
Missouri
$45.8M
Allspring Global Investments
85
Allspring Global Investments
North Carolina
$44.9M
Federated Hermes
86
Federated Hermes
Pennsylvania
$43.1M
Bank of Montreal
87
Bank of Montreal
Ontario, Canada
$41M
Pictet Asset Management
88
Pictet Asset Management
Switzerland
$40.7M
BA
89
Bridgewater Associates
Connecticut
$40.1M
LCAM
90
London & Capital Asset Management
United Kingdom
$40M
HWCM
91
Hudson Way Capital Management
Texas
$39.1M
MAMU
92
Marathon Asset Management (UK)
United Kingdom
$36.1M
Capital Fund Management (CFM)
93
Capital Fund Management (CFM)
France
$36M
Principal Financial Group
94
Principal Financial Group
Iowa
$34.5M
S
95
Systrade
Liechtenstein
$34.4M
AllianceBernstein
96
AllianceBernstein
Tennessee
$34.4M
Treasurer of the State of North Carolina
97
Treasurer of the State of North Carolina
North Carolina
$34.2M
Allianz Asset Management
98
Allianz Asset Management
Germany
$33.3M
New York State Common Retirement Fund
99
New York State Common Retirement Fund
New York
$32.9M
Mawer Investment Management
100
Mawer Investment Management
Alberta, Canada
$31.7M