IBKR icon

Interactive Brokers

956 hedge funds and large institutions have $24.6B invested in Interactive Brokers in 2025 Q4 according to their latest regulatory filings, with 155 funds opening new positions, 327 increasing their positions, 343 reducing their positions, and 84 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more ownership

Funds ownership:

5% less repeat investments, than reductions

Existing positions increased: 327 | Existing positions reduced: 343

6% less funds holding in top 10

Funds holding in top 10: 3533 (-2)

6% less capital invested

Capital invested by funds: $26.1B → $24.6B (-$1.52B)

Holders
956
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
33
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$492M
Puts
$483M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
National Pension Service
76
National Pension Service
South Korea
$45M
Jane Street
77
Jane Street
New York
$43.3M
California State Teachers Retirement System (CalSTRS)
78
California State Teachers Retirement System (CalSTRS)
California
$42.5M
Citadel Advisors
79
Citadel Advisors
Florida
$41.8M
Wealth Enhancement Advisory Services
80
Wealth Enhancement Advisory Services
Minnesota
$41.5M
Bank of Montreal
81
Bank of Montreal
Ontario, Canada
$41.4M
Stifel Financial
82
Stifel Financial
Missouri
$41.3M
A
83
AustralianSuper
Australia
$40.4M
Victory Capital Management
84
Victory Capital Management
Texas
$39.9M
Renaissance Technologies
85
Renaissance Technologies
New York
$39.6M
PEAK6
86
PEAK6
Illinois
$38.1M
Federated Hermes
87
Federated Hermes
Pennsylvania
$37.4M
Allianz Asset Management
88
Allianz Asset Management
Germany
$37.3M
BWC
89
Blue Whale Capital
United Kingdom
$36.9M
Tudor Investment Corp
90
Tudor Investment Corp
Connecticut
$35.5M
Canada Life
91
Canada Life
Manitoba, Canada
$33.6M
Principal Financial Group
92
Principal Financial Group
Iowa
$33M
S
93
Systrade
Liechtenstein
$32.2M
CIA
94
Capital Impact Advisors
Massachusetts
$31.8M
Massachusetts Financial Services
95
Massachusetts Financial Services
Massachusetts
$31.5M
BA
96
Bridgewater Associates
Connecticut
$31.4M
AllianceBernstein
97
AllianceBernstein
Tennessee
$31.3M
Treasurer of the State of North Carolina
98
Treasurer of the State of North Carolina
North Carolina
$31M
CLOS
99
Compagnie Lombard Odier SCmA
Switzerland
$31M
MAMU
100
Marathon Asset Management (UK)
United Kingdom
$30.7M