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Interactive Brokers

791 hedge funds and large institutions have $20.9B invested in Interactive Brokers in 2025 Q2 according to their latest regulatory filings, with 144 funds opening new positions, 271 increasing their positions, 285 reducing their positions, and 79 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

2.58% more ownership

Funds ownership: 343.91%346.49% (+2.6%)

3% more call options, than puts

Call options by funds: $524M | Put options by funds: $511M

5% less repeat investments, than reductions

Existing positions increased: 271 | Existing positions reduced: 285

Holders
791
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
30
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$524M
Puts
$511M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
CTC
351
Central Trust Company
Missouri
$1.58M
MSE
352
MUFG Securities EMEA
United Kingdom
$1.57M
MAM
353
Mystic Asset Management
Rhode Island
$1.56M
GLAM
354
Gardner Lewis Asset Management
Pennsylvania
$1.55M
CC
355
Centiva Capital
New York
$1.55M
QCG
356
Quadrant Capital Group
Ohio
$1.55M
BCM
357
Bridgeway Capital Management
Texas
$1.54M
Mercer Global Advisors
358
Mercer Global Advisors
Colorado
$1.54M
M&T Bank
359
M&T Bank
New York
$1.54M
CS
360
Candriam SCA
Luxembourg
$1.52M
MMEA
361
Main Management ETF Advisors
California
$1.46M
PL
362
Polianta Ltd
Jersey
$1.46M
GCP
363
GSA Capital Partners
United Kingdom
$1.42M
OAM
364
Oxford Asset Management
United Kingdom
$1.41M
AFG
365
Atomi Financial Group
New York
$1.41M
ECM
366
Everence Capital Management
Indiana
$1.41M
AF
367
Aviso Financial
Ontario, Canada
$1.41M
QCM
368
QRG Capital Management
Illinois
$1.4M
CJ
369
Caitlin John
Michigan
$1.39M
AAM
370
Advisors Asset Management
Colorado
$1.36M
SVWAG
371
Sound View Wealth Advisors Group
Georgia
$1.36M
A
372
AustralianSuper
Australia
$1.36M
WFC
373
Western Financial Corp
California
$1.35M
PAG
374
Private Advisor Group
New Jersey
$1.35M
SC
375
SummitTX Capital
Texas
$1.3M