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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 %
SPPAM
26
Summit Partners Public Asset Management
Massachusetts
$89.1M 994,371 -273,233 -22%
Arrowstreet Capital
27
Arrowstreet Capital
Massachusetts
$85.6M 955,600 -31,695 -3%
PCM
28
Penserra Capital Management
California
$83.9M 936,786 -69,325 -7%
Morgan Stanley
29
Morgan Stanley
New York
$82.7M 922,663 -522,372 -36%
Millennium Management
30
Millennium Management
New York
$80.9M 903,497 -205,024 -18%
UBS AM
31
UBS AM
Illinois
$79.6M 888,802 +172,849 +24%
Man Group
32
Man Group
United Kingdom
$77.5M 865,508 +418,563 +94%
Ensign Peak Advisors
33
Ensign Peak Advisors
Utah
$74M 826,248 +284,000 +52%
UBS Group
34
UBS Group
Switzerland
$73.1M 815,389 +439,441 +117%
Two Sigma Advisers
35
Two Sigma Advisers
New York
$68.2M 761,697 +583,097 +326%
Charles Schwab
36
Charles Schwab
California
$65.8M 734,875 +237,156 +48%
Qube Research & Technologies (QRT)
37
Qube Research & Technologies (QRT)
United Kingdom
$63.9M 713,473 -137,025 -16%
Alkeon Capital Management
38
Alkeon Capital Management
New York
$62.7M 700,000 – –
1832 Asset Management
39
1832 Asset Management
Ontario, Canada
$62.2M 694,300 +377,000 +119%
Mirae Asset Global ETFs Holdings
40
Mirae Asset Global ETFs Holdings
Hong Kong
$62M 691,832 +691,832 New
Lord, Abbett & Co
41
Lord, Abbett & Co
New Jersey
$60.4M 674,270 +674,270 New
PCM
42
Pathway Capital Management
California
$57.6M 643,199 +643,199 New
Canada Pension Plan Investment Board
43
Canada Pension Plan Investment Board
Ontario, Canada
$55.3M 617,519 +154,100 +33%
T. Rowe Price Associates
44
T. Rowe Price Associates
Maryland
$54.5M 608,562 +135,376 +29%
PL
45
Perpetual Ltd
Australia
$52.6M 587,156 +580,151 +8,282%
Walleye Capital
46
Walleye Capital
New York
$50.8M 567,001 +365,029 +181%
AllianceBernstein
47
AllianceBernstein
Tennessee
$50.5M 563,621 -464,882 -45%
Assenagon Asset Management
48
Assenagon Asset Management
Luxembourg
$50.3M 561,130 +561,130 New
Northern Trust
49
Northern Trust
Illinois
$48.7M 543,853 +307,204 +130%
Holocene Advisors
50
Holocene Advisors
New York
$47M 525,000 +525,000 New
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