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Interactive Brokers

975 hedge funds and large institutions have $24.7B invested in Interactive Brokers in 2025 Q4 according to their latest regulatory filings, with 164 funds opening new positions, 332 increasing their positions, 346 reducing their positions, and 85 closing their positions.

New
Increased
Maintained
Reduced
Closed

93% more first-time investments, than exits

New positions opened: 164 | Existing positions closed: 85

7% more funds holding

Funds holding: 909975 (+66)

2% more call options, than puts

Call options by funds: $492M | Put options by funds: $483M

0.96% more ownership

Funds ownership: 85.26%86.22% (+0.96%)

4% less repeat investments, than reductions

Existing positions increased: 332 | Existing positions reduced: 346

6% less capital invested

Capital invested by funds: $26.1B → $24.7B (-$1.44B)

6% less funds holding in top 10

Funds holding in top 10: 3533 (-2)

Holders
975
Holders Change
+66
Holders Change %
+7.26%
% of All Funds
11.86%
Holding in Top 10
33
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-5.71%
% of All Funds
0.4%
New
164
Increased
332
Reduced
346
Closed
85
Calls
$492M
Puts
$483M
Net Calls
+$9.09M
Net Calls Change
+$5.5M
Name Holding Trade Value Shares
Change
Change in
Stake
Allspring Global Investments
76
Allspring Global Investments
North Carolina
$46M +$2.06M +30,738 +5%
National Pension Service
77
National Pension Service
South Korea
$45M -$559K -8,350 -1%
Jane Street
78
Jane Street
New York
$43.3M +$43.1M +643,095 +2,182%
California State Teachers Retirement System (CalSTRS)
79
California State Teachers Retirement System (CalSTRS)
California
$42.5M -$389K -5,817 -0.9%
Citadel Advisors
80
Citadel Advisors
Florida
$41.8M -$8.45M -126,292 -16%
Wealth Enhancement Advisory Services
81
Wealth Enhancement Advisory Services
Minnesota
$41.5M +$34.7M +518,707 +1,014%
Bank of Montreal
82
Bank of Montreal
Ontario, Canada
$41.4M +$3.2M +47,842 +8%
Stifel Financial
83
Stifel Financial
Missouri
$41.3M -$1.54M -22,983 -3%
A
84
AustralianSuper
Australia
$40.4M +$40.2M +600,236 +2,100%
Victory Capital Management
85
Victory Capital Management
Texas
$39.9M -$10.5M -156,868 -20%
Renaissance Technologies
86
Renaissance Technologies
New York
$39.6M -$23.2M -347,245 -36%
PEAK6
87
PEAK6
Illinois
$38.1M -$9.83M -146,834 -20%
Federated Hermes
88
Federated Hermes
Pennsylvania
$37.4M -$3M -44,819 -7%
Allianz Asset Management
89
Allianz Asset Management
Germany
$37.3M +$6.49M +96,951 +20%
BWC
90
Blue Whale Capital
United Kingdom
$36.9M +$17.3M +258,481 +82%
Tudor Investment Corp
91
Tudor Investment Corp
Connecticut
$35.5M +$36.9M +551,744 New
Canada Life
92
Canada Life
Manitoba, Canada
$33.6M +$6.53M +97,573 +23%
Principal Financial Group
93
Principal Financial Group
Iowa
$33M +$730K +10,902 +2%
S
94
Systrade
Liechtenstein
$32.2M
CIA
95
Capital Impact Advisors
Massachusetts
$31.8M +$21M +313,461 +174%
Massachusetts Financial Services
96
Massachusetts Financial Services
Massachusetts
$31.5M +$28.9M +431,970 +748%
BA
97
Bridgewater Associates
Connecticut
$31.4M -$6.28M -93,830 -16%
AllianceBernstein
98
AllianceBernstein
Tennessee
$31.3M -$843K -12,589 -3%
Treasurer of the State of North Carolina
99
Treasurer of the State of North Carolina
North Carolina
$31M -$917K -13,699 -3%
CLOS
100
Compagnie Lombard Odier SCmA
Switzerland
$31M +$2.69M +40,224 +9%