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Interactive Brokers

992 hedge funds and large institutions have $25.4B invested in Interactive Brokers in 2026 Q1 according to their latest regulatory filings, with 135 funds opening new positions, 399 increasing their positions, 327 reducing their positions, and 102 closing their positions.

New
Increased
Maintained
Reduced
Closed

39% more call options, than puts

Call options by funds: $394M | Put options by funds: $284M

32% more first-time investments, than exits

New positions opened: 135 | Existing positions closed: 102

22% more repeat investments, than reductions

Existing positions increased: 399 | Existing positions reduced: 327

6% more funds holding in top 10

Funds holding in top 10: 3335 (+2)

2% more funds holding

Funds holding: 975992 (+17)

3% more capital invested

Capital invested by funds: $24.7B → $25.4B (+$717M)

1.1% less ownership

Funds ownership: 86.22%85.12% (-1.1%)

Holders
992
Holders Change
+17
Holders Change %
+1.74%
% of All Funds
12.22%
Holding in Top 10
35
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+6.06%
% of All Funds
0.43%
New
135
Increased
399
Reduced
327
Closed
102
Calls
$394M
Puts
$284M
Net Calls
+$110M
Net Calls Change
+$101M
Name Holding Trade Value Shares
Change
Change in
Stake
ZIG
1001
Zurich Insurance Group
Switzerland
-$16.2M -251,872 Closed
IP
1002
Interval Partners
New York
-$15.8M -221,392 Closed
MFS
1003
Mirabella Financial Services
United Kingdom
-$10.7M -166,501 Closed
HWCM
1004
Hudson Way Capital Management
Texas
-$10.1M -156,775 Closed
Capital Fund Management (CFM)
1005
Capital Fund Management (CFM)
France
-$8.54M -119,712 Closed
FAF
1006
Första AP-fonden
Sweden
-$6.02M -93,600 Closed
UBP
1007
Union Bancaire Privee
Switzerland
-$4.56M -88,690 Closed
VAM
1008
VMS Asset Management
-$5.7M -88,690 Closed
Skandinaviska Enskilda Banken (SEB)
1009
Skandinaviska Enskilda Banken (SEB)
Sweden
-$5.46M -84,957 Closed
CCM
1010
Cinctive Capital Management
New York
-$4.67M -72,686 Closed
AAF
1011
Andra AP-fonden
Sweden
-$3.61M -56,104 Closed
CAM
1012
Covenant Asset Management
New Jersey
-$3.03M -47,079 Closed
Verition Fund Management
1013
Verition Fund Management
Connecticut
-$2.1M -32,610 Closed
GCM
1014
Genus Capital Management
British Columbia, Canada
-$2.08M -32,400 Closed
TWM
1015
TriaGen Wealth Management
California
-$2.05M -31,800 Closed
DFCM
1016
Dark Forest Capital Management
Puerto Rico
-$1.9M -29,525 Closed
KRS
1017
Kentucky Retirement Systems
Kentucky
-$1.73M -26,923 Closed
MF
1018
Magnetar Financial
Illinois
-$1.73M -26,874 Closed
HT
1019
Headlands Technologies
Illinois
-$1.61M -24,975 Closed
Twin Tree Management
1020
Twin Tree Management
Texas
-$1.47M -22,781 Closed
ECM
1021
Element Capital Management
New York
-$1.28M -19,954 Closed
WLG
1022
Williamson Legacy Group
Indiana
-$1.13M -17,633 Closed
CCM
1023
Connective Capital Management
California
-$1.01M -15,656 Closed
LCM
1024
Logan Capital Management
Pennsylvania
-$1.12M -15,640 Closed
MP
1025
Mangrove Partners
Connecticut
-$987K -15,345 Closed