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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 %
Bank of New York Mellon
51
Bank of New York Mellon
New York
$46.3M 516,583 +291,660 +130%
Macquarie Group
52
Macquarie Group
Australia
$45.7M 510,497 -232,943 -31%
AM
53
Atreides Management
Massachusetts
$42.2M 471,280 +471,280 New
DCM
54
Driehaus Capital Management
Illinois
$39.1M 436,788 +436,788 New
JF
55
Jump Financial
Illinois
$36.7M 409,330 +6,076 +2%
Hudson Bay Capital Management
56
Hudson Bay Capital Management
Connecticut
$35.7M 398,000 +398,000 New
Sumitomo Mitsui Trust Group
57
Sumitomo Mitsui Trust Group
Japan
$31.9M 355,617 -160,265 -31%
NAMA
58
Nikko Asset Management Americas
New York
$31.7M 353,688 -162,194 -31%
Squarepoint
59
Squarepoint
New York
$31.1M 347,000 +300,000 +638%
Fiera Capital (Canada)
60
Fiera Capital (Canada)
Quebec, Canada
$30.3M 337,897 +4,690 +1%
NL
61
Nuveen LLC
North Carolina
$28.7M 320,629 +292,543 +1,042%
Marshall Wace
62
Marshall Wace
United Kingdom
$27.8M 310,197 -33,419 -10%
Wells Fargo
63
Wells Fargo
California
$25.8M 288,344 +81,042 +39%
AIM
64
ARK Investment Management
Florida
$23.6M 263,612 -130,664 -33%
Raymond James Financial
65
Raymond James Financial
Florida
$22.8M 254,033 +127,131 +100%
FGP
66
Freestone Grove Partners
California
$21.8M 243,730 +146,405 +150%
IC
67
IEQ Capital
California
$21.5M 240,333 -65,303 -21%
Invesco
68
Invesco
Georgia
$20.7M 231,086 -42,022 -15%
Tudor Investment Corp
69
Tudor Investment Corp
Connecticut
$20.7M 230,719 -254,066 -52%
SIMG
70
Stephens Investment Management Group
Texas
$20.6M 229,642 -27,982 -11%
MM
71
Monolith Management
Hong Kong
$18.9M 211,050 +211,050 New
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
72
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$17.9M 200,000 -461,700 -70%
QT
73
Quantbot Technologies
New York
$17.8M 199,025 -91,752 -32%
Los Angeles Capital Management
74
Los Angeles Capital Management
California
$17.6M 196,576 +196,576 New
Bessemer Group
75
Bessemer Group
New Jersey
$17.5M 194,911 +29,317 +18%
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