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Rubrik
RBRK

Overview Fund Activity

382 hedge funds and large institutions have $8.92B invested in Rubrik in 2025 Q2 according to their latest regulatory filings, with 133 funds opening new positions, 132 increasing their positions, 89 reducing their positions, and 46 closing their positions.

Holders
382
Holders Change
+78
Holders Change %
+25.66%
% of All Funds
5.13%
Holding in Top 10
19
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+18.75%
% of All Funds
0.26%
New
133
Increased
132
Reduced
89
Closed
46
Calls
$173M
Puts
$186M
Net Calls
-$13.4M
Net Calls Change
+$2.52M

Top Buyers

1
BlackRock
1
BlackRock
New York
$748M
2
Vanguard Group
2
Vanguard Group
Pennsylvania
$1.08B
3
Norges Bank
3
Norges Bank
Norway
$219M
4
D.E. Shaw & Co
4
D.E. Shaw & Co
New York
$387M
5
First Trust Advisors
5
First Trust Advisors
Illinois
$400M

Top Sellers

1
BCVI
1
Bain Capital Venture Investors
Massachusetts
$122M
2
PC
2
PointState Capital
New York
$0
3
SSA
3
Schonfeld Strategic Advisors
New York
$5.24M
4
Fidelity Investments
4
Fidelity Investments
Massachusetts
$266M
5
ACM
5
Altimeter Capital Management
Massachusetts
$0
Name Market Value Shares Shares
Change 		Shares
Change %
RhumbLine Advisers
101
RhumbLine Advisers
Massachusetts
$8.73M 97,485 +94,505 +3,171%
RAM
102
Robocap Asset Management
United Kingdom
$8.67M 96,821 -12,278 -11%
MAM
103
Melqart Asset Management
United Kingdom
$8.66M 96,674 -62,824 -39%
California State Teachers Retirement System (CalSTRS)
104
California State Teachers Retirement System (CalSTRS)
California
$8.17M 91,186 +19,533 +27%
VWS
105
Virtus Wealth Solutions
New Jersey
$8.11M 90,497 +90,497 New
HP
106
Harbourvest Partners
Massachusetts
$7.85M 87,658 -84,973 -49%
MCCP
107
Mission Creek Capital Partners
California
$7.71M 86,036 -3,340 -4%
FIG
108
Fortress Investment Group
New York
$7.53M 84,022 +84,022 New
GCM
109
Graham Capital Management
Connecticut
$6.94M 77,502 +9,574 +14%
OCM
110
Osterweis Capital Management
California
$6.92M 77,185 +77,185 New
State Board of Administration of Florida Retirement System
111
State Board of Administration of Florida Retirement System
Florida
$6.91M 77,128 +77,128 New
Deutsche Bank
112
Deutsche Bank
Germany
$6.66M 74,350 -153,159 -67%
RC
113
Renaissance Capital
Connecticut
$6.53M 72,871 +16,156 +28%
EGI
114
EAM Global Investors
California
$6.5M 72,557 -26 -0%
FC
115
FORA Capital
Florida
$6.29M 70,217 -4,770 -6%
PP
116
PDT Partners
New York
$6.11M 68,249 -9,840 -13%
Allianz Asset Management
117
Allianz Asset Management
Germany
$5.95M 66,452 +58,927 +783%
Universal-Beteiligungs- und Servicegesellschaft
118
Universal-Beteiligungs- und Servicegesellschaft
Germany
$5.86M 65,360 +51,312 +365%
Adage Capital Partners
119
Adage Capital Partners
Massachusetts
$5.82M 65,000 +65,000 New
Jane Street
120
Jane Street
New York
$5.56M 62,049 -167,075 -73%
Natixis Advisors
121
Natixis Advisors
Massachusetts
$5.5M 61,424 -1,233 -2%
EI
122
EAM Investors
California
$5.45M 60,839 -8,770 -13%
SG
123
StepStone Group
California
$5.39M 60,182 +6,344 +12%
BHCM
124
Brevan Howard Capital Management
Jersey
$5.38M 60,054 +60,054 New
MCP
125
Meridiem Capital Partners
Texas
$5.33M 59,470 +59,470 New
3 4
5
6 7