We are live on ! Find out more
IBKR icon

Interactive Brokers

802 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, 277 increasing their positions, 287 reducing their positions, and 81 closing their positions.

New
Increased
Maintained
Reduced
Closed

80% more first-time investments, than exits

New positions opened: 146 | Existing positions closed: 81

36% more funds holding in top 10

Funds holding in top 10: 2230 (+8)

33% more capital invested

Capital invested by funds: $15.7B → $20.9B (+$5.2B)

8% more funds holding

Funds holding: 746802 (+56)

3% more call options, than puts

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

3% less repeat investments, than reductions

Existing positions increased: 277 | Existing positions reduced: 287

2.12% less ownership

Funds ownership: 348.87%346.75% (-2.1%)

Holders
802
Holders Change
+56
Holders Change %
+7.51%
% of All Funds
10.56%
Holding in Top 10
30
Holding in Top 10 Change
+8
Holding in Top 10 Change %
+36.36%
% of All Funds
0.39%
New
146
Increased
277
Reduced
287
Closed
81
Calls
$524M
Puts
$511M
Net Calls
+$12.8M
Net Calls Change
-$71.4M
Name Holding Trade Value Shares
Change
Change in
Stake
Federated Hermes
76
Federated Hermes
Pennsylvania
$41.8M -$5.16M -108,683 -13%
PEAK6
77
PEAK6
Illinois
$40.9M +$35.1M +738,981 New
MAMU
78
Marathon Asset Management (UK)
United Kingdom
$39.9M -$486K -10,248 -1%
JF
79
Jump Financial
Illinois
$39M -$5.89M -124,100 -15%
Amundi
80
Amundi
France
$38.8M +$12.2M +258,097 +63%
National Pension Service
81
National Pension Service
South Korea
$38.4M -$33.3K -701 -0.1%
LPL Financial
82
LPL Financial
California
$38.2M +$566K +11,934 +2%
HWCM
83
Hudson Way Capital Management
Texas
$37.9M +$6.33M +133,494 +24%
Deutsche Bank
84
Deutsche Bank
Germany
$37.1M +$4.94M +104,046 +18%
IIM
85
INTECH Investment Management
Florida
$37.1M +$5.52M +116,393 +21%
California State Teachers Retirement System (CalSTRS)
86
California State Teachers Retirement System (CalSTRS)
California
$36.9M +$7.19M +151,556 +29%
CFM
87
Coronation Fund Managers
South Africa
$36.4M -$6.18M -130,319 -17%
Treasurer of the State of North Carolina
88
Treasurer of the State of North Carolina
North Carolina
$36.1M +$20.2M +424,794 +188%
Stifel Financial
89
Stifel Financial
Missouri
$34.3M -$1.14M -23,999 -4%
Ameriprise
90
Ameriprise
Minnesota
$33.7M -$868K -18,285 -3%
AllianceBernstein
91
AllianceBernstein
Tennessee
$33.4M +$2.08M +43,917 +8%
PCH
92
Polar Capital Holdings
United Kingdom
$31.8M +$1.63M +34,292 +6%
Canada Life
93
Canada Life
Manitoba, Canada
$30.8M +$894K +18,854 +4%
Robeco Institutional Asset Management
94
Robeco Institutional Asset Management
Netherlands
$28.6M -$1.09M -22,954 -4%
New York State Common Retirement Fund
95
New York State Common Retirement Fund
New York
$28M +$12.7M +267,000 +112%
BCM
96
Brooktree Capital Management
Michigan
$27.8M -$214K -4,501 -0.9%
Mawer Investment Management
97
Mawer Investment Management
Alberta, Canada
$25M -$3.39M -71,356 -14%
WAM
98
Weiss Asset Management
Massachusetts
$24.9M +$21.3M +449,952 New
LCAM
99
London & Capital Asset Management
United Kingdom
$24.9M +$21.3M +448,733 New
NCM
100
Nearwater Capital Markets
Ireland
$24.4M +$20.9M +440,000 New

IBKR Hedge Fund Activity: Q2 2025 in Review

802 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Interactive Brokers (IBKR) for Q2 2025, worth a combined $20.9B — up 33% from $15.7B a quarter earlier.

Buyers outnumbered sellers: 146 funds opened new IBKR positions and 81 closed out — a net gain of 65 holders — while 277 added to existing stakes and 287 trimmed.

The largest buyer was Wellington Management Group, adding an estimated $253M. The largest seller was Orbis Allan Gray, cutting an estimated $201M.

  • 802 institutional investors held Interactive Brokers (IBKR) as of Q2 2025, up from 746 in Q1 2025.
  • Funds reported $20.9B of Interactive Brokers stock for Q2 2025, up 33% quarter-over-quarter.
  • 146 funds opened new Interactive Brokers positions in Q2 2025 and 81 closed out, a net change of +65 holders.
  • The largest Interactive Brokers buyer in Q2 2025 was Wellington Management Group, an estimated $253M added.
  • The largest Interactive Brokers seller in Q2 2025 was Orbis Allan Gray, an estimated $201M sold.

Based on aggregated 13F filings for Q2 2025.