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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.

New
Increased
Maintained
Reduced
Closed
Holders
385
Holders Change
+81
Holders Change %
+26.64%
% of All Funds
5.16%
Holding in Top 10
19
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+18.75%
% of All Funds
0.25%
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 %
EAM
401
EFG Asset Management
Oregon
– -$2.58M -42,252 Closed
GIPM
402
G2 Investment Partners Management
New York
– -$2.53M -41,500 Closed
HF
403
HRT Financial
New York
– -$2.34M -38,322 Closed
AWS
404
Atria Wealth Solutions
New York
– -$1.55M -25,500 Closed
BCM
405
Bayesian Capital Management
New York
– -$1.33M -21,881 Closed
VF
406
Virtu Financial
New York
– -$1.26M -20,673 Closed
QCM
407
Qsemble Capital Management
New York
– -$1.25M -20,534 Closed
VAM
408
Valliance Asset Management
Hong Kong
– -$1.22M -20,000 Closed
SCM
409
SVB Capital Management
California
– -$1.01M -16,515 Closed
OFG
410
Oxford Financial Group
Indiana
– -$991K -16,245 Closed
SG Americas Securities
411
SG Americas Securities
New York
– -$820K -13,452 Closed
AIM
412
Aigen Investment Management
New York
– -$807K -13,236 Closed
MP
413
Mangrove Partners
Connecticut
– -$593K -9,721 Closed
BC
414
Bridgefront Capital
Texas
– -$568K -9,313 Closed
BFM
415
Boothbay Fund Management
New York
– -$525K -8,614 Closed
VRS
416
Virginia Retirement Systems
Virginia
– -$482K -7,900 Closed
RFA
417
Register Financial Advisors
Georgia
– -$433K -7,100 Closed
DT
418
Diversified Trust
Tennessee
– -$389K -6,371 Closed
CIAM
419
Caitong International Asset Management
Hong Kong
– -$361K -5,912 Closed
PA
420
PharVision Advisers
Florida
– -$238K -3,908 Closed
Group One Trading
421
Group One Trading
Illinois
– -$185K -3,034 Closed
ACM
422
Aster Capital Management
United Arab Emirates
– -$93.6K -1,437 Closed
QL
423
Quarry LP
New York
– -$82K -1,345 Closed
CCM
424
Coldstream Capital Management
Washington
– -$27.7K -455 Closed
IRC
425
Investors Research Corp
Georgia
– -$18.3K -300 Closed
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