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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
MLM
551
Mount Lucas Management
Pennsylvania
$636K
CPCPP
552
Canada Post Corporation Pension Plan
Canada
$634K
CI Investments Inc
553
CI Investments Inc
Ontario, Canada
$632K
HWM
554
HB Wealth Management
Georgia
$629K
SIM
555
Studio Investment Management
Illinois
$627K
WIS
556
Wright Investors Service
Connecticut
$618K
XT
557
XTX Topco
Cayman Islands
$611K
BHCM
558
Brevan Howard Capital Management
Jersey
$599K
Lido Advisors
559
Lido Advisors
California
$599K
Fisher Asset Management
560
Fisher Asset Management
Washington
$596K
FFP
561
FourThought Financial Partners
Florida
$595K
UOTTAIMCU
562
University of Texas/Texas AM Investment Management Co (UTIMCO)
Texas
$589K
CFO
563
Callan Family Office
Pennsylvania
$588K
TWM
564
Thrive Wealth Management
Pennsylvania
$586K
SGAM
565
Smith Group Asset Management
Texas
$585K
TC
566
TownSquare Capital
Utah
$578K
SIA
567
Strategic Investment Advisors
Michigan
$576K
RWM
568
Revisor Wealth Management
Ohio
$575K
PCM
569
Park Capital Management
Wisconsin
$573K
ACH
570
ArrowMark Colorado Holdings
Colorado
$566K
RWM
571
Ritholtz Wealth Management
New York
$562K
RCM
572
Raleigh Capital Management
North Carolina
$559K
HA
573
Heartland Advisors
Wisconsin
$555K
I
574
InceptionR
California
$548K
EWM
575
Empirical Wealth Management
Washington
$544K