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Interactive Brokers
IBKR

Overview Fund Activity

736 hedge funds and large institutions have $15.5B invested in Interactive Brokers in 2025 Q1 according to their latest regulatory filings, with 137 funds opening new positions, 262 increasing their positions, 256 reducing their positions, and 88 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
736
Holders Change
+35
Holders Change %
+4.99%
% of All Funds
10%
Holding in Top 10
22
Holding in Top 10 Change
-8
Holding in Top 10 Change %
-26.67%
% of All Funds
0.3%
New
137
Increased
262
Reduced
256
Closed
88
Calls
$391M
Puts
$305M
Net Calls
+$85.3M
Net Calls Change
+$26.5M

Top Buyers

1
American Century Companies
American Century Companies
Missouri
+$222M
2
Marshall Wace
Marshall Wace
United Kingdom
+$113M
3
State Street
State Street
Massachusetts
+$68.9M
4
Two Sigma Advisers
Two Sigma Advisers
New York
+$63.3M
5
KBC Group
KBC Group
Belgium
+$62.1M

Top Sellers

1
OAG
Orbis Allan Gray
Bermuda
-$297M
2
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
-$148M
3
Kayne Anderson Rudnick Investment Management
Kayne Anderson Rudnick Investment Management
California
-$119M
4
Wellington Management Group
Wellington Management Group
Massachusetts
-$84.5M
5
FFM
Fullerton Fund Management
Singapore
-$69.1M
Name Holding Trade Value Shares
Change 		Shares
Change %
OSAM
276
O'Shaughnessy Asset Management
Connecticut
$2.18M +$332K +8,028 +18%
NAM
277
Nissay Asset Management
Japan
$2.16M +$2.16M +52,216 New
TC
278
TwinBeech Capital
New York
$2.16M +$1.85M +44,744 +600%
P
279
&Partners
Tennessee
$2.12M +$271K +6,572 +15%
SOADOR
280
State of Alaska Department of Revenue
Alaska
$2.11M +$56.3K +1,360 +3%
SM
281
Sciencast Management
New Jersey
$2.09M +$2.09M +50,524 New
BHCM
282
Brevan Howard Capital Management
Jersey
$2.05M -$9.14M -220,836 -82%
SRL
283
Scientech Research LLC
New Jersey
$2.05M +$425K +10,256 +26%
BCP
284
Blackhawk Capital Partners
Wisconsin
$2.04M +$448K +10,820 +28%
LAM
285
LECAP Asset Management
United Kingdom
$2.02M +$1.35M +32,616 +203%
Prudential Financial
286
Prudential Financial
New Jersey
$2.01M +$684K +16,524 +51%
Franklin Resources
287
Franklin Resources
California
$1.95M +$529K +12,768 +37%
EMPI
288
Elo Mutual Pension Insurance
Finland
$1.86M +$1.86M +45,044 New
CC
289
Centiva Capital
New York
$1.85M -$299K -7,228 -14%
CM
290
Capula Management
Cayman Islands
$1.84M +$1.84M +44,400 New
CIC
291
Chase Investment Counsel
Virginia
$1.82M – – –
LCM
292
LRT Capital Management
Texas
$1.81M -$380K -9,172 -17%
CSS
293
Cubist Systematic Strategies
Connecticut
$1.8M +$1.8M +43,528 New
Public Employees Retirement Association of Colorado
294
Public Employees Retirement Association of Colorado
Colorado
$1.78M – – –
SFS
295
Sowell Financial Services
Arkansas
$1.71M -$370K -8,932 -18%
APC
296
Aspire Private Capital
North Carolina
$1.71M -$540K -13,052 -24%
MML Investors Services
297
MML Investors Services
Massachusetts
$1.69M +$144K +3,472 +9%
GCM
298
Gator Capital Management
Florida
$1.69M – – –
IUHSA
299
Itau Unibanco Holding S.A.
Brazil
$1.68M +$275K +6,640 +20%
EI
300
Ethic Inc
New York
$1.68M +$174K +4,024 +12%
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