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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
Caisse de Depot et Placement du Quebec (CDPQ)
51
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
$83.2M
N
52
Nuveen
North Carolina
$82.1M
HP
53
Hosking Partners
United Kingdom
$81.3M
BGCP
54
Bristol Gate Capital Partners
Ontario, Canada
$77.9M
HIP
55
Hengistbury Investment Partners
United Kingdom
$73.1M
BNP Paribas Financial Markets
56
BNP Paribas Financial Markets
France
$72M
WorldQuant Millennium Advisors
57
WorldQuant Millennium Advisors
New York
$71.4M
Canada Pension Plan Investment Board
58
Canada Pension Plan Investment Board
Ontario, Canada
$70.5M
OCP
59
Oakcliff Capital Partners
New York
$66.3M
T. Rowe Price Associates
60
T. Rowe Price Associates
Maryland
$66.2M
Squarepoint
61
Squarepoint
New York
$65.8M
Dimensional Fund Advisors
62
Dimensional Fund Advisors
Texas
$64.5M
Citigroup
63
Citigroup
New York
$63.8M
Mitsubishi UFJ Asset Management
64
Mitsubishi UFJ Asset Management
Japan
$62.7M
Russell Investments Group
65
Russell Investments Group
United Kingdom
$61.4M
Envestnet Asset Management
66
Envestnet Asset Management
Illinois
$58.9M
California Public Employees Retirement System
67
California Public Employees Retirement System
California
$56.3M
Millennium Management
68
Millennium Management
New York
$55.9M
Sumitomo Mitsui Trust Group
69
Sumitomo Mitsui Trust Group
Japan
$55.3M
LPL Financial
70
LPL Financial
California
$50.1M
SFM
71
Soros Fund Management
New York
$49.6M
RhumbLine Advisers
72
RhumbLine Advisers
Massachusetts
$49.6M
PAM
73
Panagora Asset Management
Massachusetts
$48.9M
RC
74
RV Capital
Switzerland
$48.4M
Allspring Global Investments
75
Allspring Global Investments
North Carolina
$46M