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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
BCM
51
Bronte Capital Management
Australia
$86M -$14.6M -204,563 -14%
N
52
Nuveen
North Carolina
$84.9M -$826K -11,569 -0.9%
HP
53
Hosking Partners
United Kingdom
$80.2M -$4.93M -69,061 -5%
Assenagon Asset Management
54
Assenagon Asset Management
Luxembourg
$80M +$82.1M +1,150,271 +2,708%
Russell Investments Group
55
Russell Investments Group
United Kingdom
$76.5M +$13.3M +186,377 +20%
BGCP
56
Bristol Gate Capital Partners
Ontario, Canada
$76.1M -$5.46M -76,516 -6%
A
57
AustralianSuper
Australia
$75.8M +$35.7M +500,800 +80%
Empower Advisory Group
58
Empower Advisory Group
Colorado
$74.2M -$47.1M -659,449 -37%
T. Rowe Price Associates
59
T. Rowe Price Associates
Maryland
$73.1M +$4.28M +59,951 +6%
Envestnet Asset Management
60
Envestnet Asset Management
Illinois
$71.3M +$10.5M +147,678 +16%
Deutsche Bank
61
Deutsche Bank
Germany
$71.1M -$42.4M -593,562 -36%
HIP
62
Hengistbury Investment Partners
United Kingdom
$70.5M -$6.08M -85,250 -8%
Dimensional Fund Advisors
63
Dimensional Fund Advisors
Texas
$70.4M +$3.42M +47,909 +5%
OCP
64
Oakcliff Capital Partners
New York
$69.1M
Mitsubishi UFJ Asset Management
65
Mitsubishi UFJ Asset Management
Japan
$67.2M +$4.92M +68,948 +7%
VGA
66
Vanguard Global Advisers
Pennsylvania
$65.6M +$69.8M +978,498 New
CAM
67
Congress Asset Management
Massachusetts
$65.2M +$62M +867,934 +838%
Sumitomo Mitsui Trust Group
68
Sumitomo Mitsui Trust Group
Japan
$62.7M +$5.39M +75,484 +9%
California Public Employees Retirement System
69
California Public Employees Retirement System
California
$62.4M +$3.93M +55,097 +6%
BNP Paribas Financial Markets
70
BNP Paribas Financial Markets
France
$61.7M -$14.2M -199,438 -18%
National Pension Service
71
National Pension Service
South Korea
$60.9M +$14.9M +208,994 +30%
Marshall Wace
72
Marshall Wace
United Kingdom
$58.9M -$166M -2,326,481 -73%
LPL Financial
73
LPL Financial
California
$56.8M +$4.89M +68,484 +9%
HSBC Holdings
74
HSBC Holdings
United Kingdom
$56.8M -$19.3M -270,264 -24%
Citigroup
75
Citigroup
New York
$54.2M -$13.2M -184,855 -19%