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

Top Sellers

1
BCVI
Bain Capital Venture Investors
Massachusetts
$122M
2
PC
PointState Capital
New York
$0
3
SSA
Schonfeld Strategic Advisors
New York
$5.24M
4
Fidelity Investments
Fidelity Investments
Massachusetts
$266M
5
ACM
Altimeter Capital Management
Massachusetts
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
FHA
351
First Horizon Advisors
Tennessee
$27.3K +$179 +2 +0.7%
HI
352
Harbour Investments
Wisconsin
$26.9K – – –
MSFP
353
Mark Sheptoff Financial Planning
Connecticut
$26.9K – – –
DJSG
354
D.J. St. Germain
Massachusetts
$26.9K +$26.9K +300 New
AF
355
Allworth Financial
California
$26.3K +$24K +268 +1,031%
CA
356
CoreCap Advisors
Michigan
$23.7K +$23.7K +264 +26,400%
BCM
357
Berbice Capital Management
New York
$22.4K – – –
FDCDDQ
358
Federation des caisses Desjardins du Quebec
Quebec, Canada
$20.2K – – –
APM
359
a16z Perennial Management
California
$15.3K +$15.3K +171 New
PS
360
Principal Securities
Iowa
$14.6K +$3.76K +42 +35%
LB
361
Legacy Bridge
Iowa
$14.3K +$14.3K +160 New
PEAK6
362
PEAK6
Illinois
$13.7K +$13.7K +153 New
CIR
363
Clear Investment Research
Georgia
$12K – – –
BIG
364
Brooklyn Investment Group
New York
$11.8K +$11.8K +132 New
HFM
365
Harvest Fund Management
China
$9K -$108K -1,200 -92%
FDW
366
Fourth Dimension Wealth
Ohio
$8.96K – – –
TPWA
367
Twin Peaks Wealth Advisors
California
$8.92K +$8.92K +101 New
WTA
368
Washington Trust Advisors
Massachusetts
$7.26K -$269 -3 -4%
BWL
369
Bogart Wealth LLC
Virginia
$6.18K +$4.12K +46 +200%
Northwestern Mutual Wealth Management
370
Northwestern Mutual Wealth Management
Wisconsin
$5.2K -$358 -4 -6%
TC
371
Truvestments Capital
Florida
$4.3K +$4.3K +48 New
MMCM
372
Murphy & Mullick Capital Management
New York
$4.22K +$3.28K +35 +350%
RF
373
Roxbury Financial
New Jersey
$3.05K -$1.88K -21 -38%
CIA
374
Cape Investment Advisory
Georgia
$2.42K +$2.42K +27 New
TFM
375
TFC Financial Management
Massachusetts
$2.24K – – –
13 14
15
16 17