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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
NCM
101
Nearwater Capital Markets
Ireland
$24.4M
Barclays
102
Barclays
United Kingdom
$23.9M
State Board of Administration of Florida Retirement System
103
State Board of Administration of Florida Retirement System
Florida
$23.7M
FI
104
Firetrail Investments
Australia
$23.3M
TI
105
Trexquant Investment
Connecticut
$22.5M
Verition Fund Management
106
Verition Fund Management
Connecticut
$22.4M
N
107
Natixis
France
$22.4M
GF
108
Gabelli Funds
New York
$22.3M
LM
109
Lansing Management
New York
$22.1M
DIA
110
Dana Investment Advisors
Wisconsin
$21.4M
PCM
111
Prana Capital Management
Connecticut
$21.3M
TC
112
Tairen Capital
Hong Kong
$21.3M
WG
113
Winton Group
United Kingdom
$21.1M
T. Rowe Price Associates
114
T. Rowe Price Associates
Maryland
$20.7M
Mitsubishi UFJ Asset Management
115
Mitsubishi UFJ Asset Management
Japan
$20.7M
HF
116
HRT Financial
New York
$19.1M
RIM
117
Rovida Investment Management
Cayman Islands
$18.8M
WC
118
Winmill & Co
New York
$18.1M
QOP
119
Quinn Opportunity Partners
Virginia
$17.2M
New York State Teachers Retirement System (NYSTRS)
120
New York State Teachers Retirement System (NYSTRS)
New York
$17.2M
Wealth Enhancement Advisory Services
121
Wealth Enhancement Advisory Services
Minnesota
$16.8M
Jane Street
122
Jane Street
New York
$16.1M
SPC
123
Stony Point Capital
New York
$15.9M
Universal-Beteiligungs- und Servicegesellschaft
124
Universal-Beteiligungs- und Servicegesellschaft
Germany
$15.9M
OBGC
125
O'Brien Greene & Co
Pennsylvania
$15.6M