225 hedge funds and large institutions have $960M invested in Rapid7 in 2025 Q4 according to their latest regulatory filings, with 46 funds opening new positions, 89 increasing their positions, 68 reducing their positions, and 44 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
225
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$31.1M
Puts
$3.7M
Net Calls
Net Calls Change

Top Buyers

1 +$22.3M
2 +$12.5M
3 +$10.8M
4
SG Americas Securities
SG Americas Securities
New York
+$9.43M
5
Two Sigma Investments
Two Sigma Investments
New York
+$8.65M

Top Sellers

1 -$15.7M
2 -$14.2M
3 -$6.75M
4
Citadel Advisors
Citadel Advisors
Florida
-$6.57M
5
CH
Cannae Holdings
Nevada
-$6.56M
Name Holding Trade Value Shares
Change
Change in
Stake
Mackenzie Financial
76
Mackenzie Financial
Ontario, Canada
$1.18M
IMC Chicago
77
IMC Chicago
Illinois
$1.17M
Legal & General Group
78
Legal & General Group
United Kingdom
$1.17M
VC
79
VarCov Co
Connecticut
$1.12M
Nordea Investment Management
80
Nordea Investment Management
Sweden
$1.1M
T. Rowe Price Associates
81
T. Rowe Price Associates
Maryland
$1.08M
American Century Companies
82
American Century Companies
Missouri
$1.08M
RAM
83
Readystate Asset Management
Illinois
$1.07M
PVM
84
Palogic Value Management
Texas
$988K
CC
85
Centiva Capital
New York
$961K
HCA
86
Harbor Capital Advisors
Illinois
$944K
California State Teachers Retirement System (CalSTRS)
87
California State Teachers Retirement System (CalSTRS)
California
$840K
Janney Montgomery Scott
88
Janney Montgomery Scott
Pennsylvania
$839K
JF
89
Jump Financial
Illinois
$831K
Canada Pension Plan Investment Board
90
Canada Pension Plan Investment Board
Ontario, Canada
$810K
JP Morgan Chase
91
JP Morgan Chase
New York
$792K
Capital Fund Management (CFM)
92
Capital Fund Management (CFM)
France
$767K
BHCM
93
Brevan Howard Capital Management
Jersey
$743K
Balyasny Asset Management
94
Balyasny Asset Management
Illinois
$741K
ACM
95
Aquatic Capital Management
Illinois
$737K
Simplex Trading
96
Simplex Trading
Illinois
$719K
EOJOAM
97
E. Ohman J:or Asset Management
Sweden
$635K
Squarepoint
98
Squarepoint
New York
$635K
GH
99
GAM Holding
Switzerland
$608K
Universal-Beteiligungs- und Servicegesellschaft
100
Universal-Beteiligungs- und Servicegesellschaft
Germany
$601K