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Rubrik
RBRK

Overview Fund Activity

385 hedge funds and large institutions have $8.93B invested in Rubrik in 2025 Q2 according to their latest regulatory filings, with 134 funds opening new positions, 132 increasing their positions, 91 reducing their positions, and 46 closing their positions.

Holders
385
Holders Change
+81
Holders Change %
+26.64%
% of All Funds
5.17%
Holding in Top 10
19
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+18.75%
% of All Funds
0.26%
New
134
Increased
132
Reduced
91
Closed
46
Calls
$211M
Puts
$249M
Net Calls
-$38.5M
Net Calls Change
-$22.7M

Top Buyers

1
BlackRock
1
BlackRock
New York
$748M
2
Vanguard Group
2
Vanguard Group
Pennsylvania
$1.08B
3
D.E. Shaw & Co
3
D.E. Shaw & Co
New York
$387M
4
First Trust Advisors
4
First Trust Advisors
Illinois
$400M
5
Acadian Asset Management
5
Acadian Asset Management
Massachusetts
$139M

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 Holding Trade Value Shares
Change 		Shares
Change %
GGHC
76
Gilder Gagnon Howe & Co
New York
$17.4M +$7.2M +80,341 +71%
EGM
77
Engineers Gate Manager
New York
$16.5M +$4.53M +50,566 +38%
Swiss National Bank
78
Swiss National Bank
Switzerland
$16.3M +$1.94M +21,700 +14%
LCGC
79
Legacy Capital Group California
California
$16.2M – – –
STP
80
Science & Technology Partners
New York
$15.3M +$15.3M +171,140 New
AG
81
Algert Global
California
$14.1M +$5.15M +57,485 +57%
AI
82
Aperture Investors
New York
$13.5M -$292K -3,262 -2%
QC
83
Quadrature Capital
United Kingdom
$13.5M +$8.29M +92,611 +159%
SAG
84
Susquehanna Advisors Group
Pennsylvania
$13.5M +$13.5M +150,413 New
SEI Investments
85
SEI Investments
Pennsylvania
$13.5M +$7.91M +88,277 +142%
Public Sector Pension Investment Board (PSP Investments)
86
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$13.4M +$8.06M +90,000 +150%
TI
87
Trexquant Investment
Connecticut
$12.9M -$46.4M -517,462 -78%
State of Wisconsin Investment Board
88
State of Wisconsin Investment Board
Wisconsin
$12.9M +$46K +513 +0.4%
Russell Investments Group
89
Russell Investments Group
United Kingdom
$12.8M +$8.98M +102,426 +234%
State of Tennessee, Department of Treasury
90
State of Tennessee, Department of Treasury
Tennessee
$12.4M +$2.48M +27,679 +25%
VCM
91
Voleon Capital Management
California
$12.4M -$4.33M -48,297 -26%
New York State Common Retirement Fund
92
New York State Common Retirement Fund
New York
$11.9M +$3.49M +39,000 +41%
LPL Financial
93
LPL Financial
California
$11.9M +$2.93M +32,677 +33%
WWP
94
Waypoint Wealth Partners
California
$11.6M +$11.6M +129,923 New
YRHAM
95
Yong Rong (HK) Asset Management
Hong Kong
$11.2M +$1.65M +18,400 +17%
KIA
96
Knollwood Investment Advisory
Maryland
$10.8M +$6.35M +70,844 +142%
Mitsubishi UFJ Asset Management
97
Mitsubishi UFJ Asset Management
Japan
$10.2M +$204K +2,282 +2%
CSS
98
Cubist Systematic Strategies
Connecticut
$9.77M -$14.7M -163,984 -60%
HLA
99
Hamilton Lane Advisors
Pennsylvania
$9.44M -$14.2K -159 -0.2%
Stifel Financial
100
Stifel Financial
Missouri
$9.06M +$2.58M +28,760 +40%
2 3
4
5 6