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Interactive Brokers

796 hedge funds and large institutions have $20.9B invested in Interactive Brokers in 2025 Q2 according to their latest regulatory filings, with 146 funds opening new positions, 274 increasing their positions, 284 reducing their positions, and 81 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:

2.87% more ownership

Funds ownership: 343.77%346.64% (+2.9%)

3% more call options, than puts

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

4% less repeat investments, than reductions

Existing positions increased: 274 | Existing positions reduced: 284

Holders
796
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
PAG
376
Private Advisor Group
New Jersey
$1.35M
SC
377
SummitTX Capital
Texas
$1.3M
GI
378
GAMCO Investors
Connecticut
$1.28M
GIBU
379
Gulf International Bank (UK)
United Kingdom
$1.28M
ProShare Advisors
380
ProShare Advisors
Maryland
$1.27M
PCM
381
Polymer Capital Management
New York
$1.24M
NB
382
Northwest Bancshares
Pennsylvania
$1.23M
ONPI
383
Owls Nest Partners IA
Pennsylvania
$1.22M
LWCFA
384
Loring Wolcott & Coolidge Fiduciary Advisors
Massachusetts
$1.21M
PAG
385
Private Advisory Group
Washington
$1.18M
Walleye Trading
386
Walleye Trading
New York
$1.18M
PF
387
Phoenix Financial
Israel
$1.17M
Royal London Asset Management
388
Royal London Asset Management
United Kingdom
$1.17M
SWM
389
Spire Wealth Management
Virginia
$1.15M
GC
390
Guggenheim Capital
Illinois
$1.15M
MSRPS
391
Maryland State Retirement & Pension System
Maryland
$1.14M
AAS
392
Avantax Advisory Services
Texas
$1.12M
ZIM
393
Zacks Investment Management
Illinois
$1.12M
IMRF
394
Illinois Municipal Retirement Fund
Illinois
$1.11M
AS
395
Altshuler Shaham
Israel
$1.11M
EFM
396
E Fund Management
China
$1.11M
MFS
397
Monetta Financial Services
Illinois
$1.11M
IAM
398
Ion Asset Management
Israel
$1.11M
Nomura Holdings
399
Nomura Holdings
Japan
$1.09M
PIM
400
Pullen Investment Management
Florida
$1.08M