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Interactive Brokers

958 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, 328 increasing their positions, 344 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: 328 | Existing positions reduced: 344

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
958
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
Twin Tree Management
426
Twin Tree Management
Texas
$1.47M
FFA
427
Fragasso Financial Advisors
Pennsylvania
$1.46M
LSERS
428
Louisiana State Employees Retirement System
Louisiana
$1.46M
GIBU
429
Gulf International Bank (UK)
United Kingdom
$1.45M
SP
430
Successful Portfolios
Florida
$1.43M
AF
431
Aviso Financial
Ontario, Canada
$1.42M
ONPI
432
Owls Nest Partners IA
Pennsylvania
$1.41M
MCM
433
Mainstream Capital Management
California
$1.39M
MSRPS
434
Maryland State Retirement & Pension System
Maryland
$1.38M
WFC
435
Western Financial Corp
California
$1.36M
CW
436
CreativeOne Wealth
Kansas
$1.35M
Cerity Partners
437
Cerity Partners
New York
$1.35M
LAM
438
L2 Asset Management
Massachusetts
$1.34M
NMERB
439
New Mexico Educational Retirement Board
New Mexico
$1.3M
MFS
440
Monetta Financial Services
Illinois
$1.29M
Royal London Asset Management
441
Royal London Asset Management
United Kingdom
$1.28M
ECM
442
Element Capital Management
New York
$1.28M
FFM
443
Fisher Funds Management
New Zealand
$1.28M
IQI
444
Integrated Quantitative Investments
Washington
$1.25M
PIM
445
Pullen Investment Management
Florida
$1.25M
I
446
InterCapital
Texas
$1.22M
ALMGDA
447
AG2R La Mondiale Gestion d'Actifs
France
$1.22M
DILIC
448
Dai-ichi Life Insurance Company
Japan
$1.22M
MAM
449
Meeder Asset Management
Ohio
$1.19M
Rockefeller Capital Management
450
Rockefeller Capital Management
New York
$1.17M