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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 %
FIA
251
FNY Investment Advisers
New York
$615K +$615K +6,866 New
SB
252
Strategic Blueprint
Georgia
$612K +$612K +6,830 New
SW
253
SkyOak Wealth
Michigan
$605K +$605K +6,754 New
IIM
254
INTECH Investment Management
Florida
$603K +$603K +6,731 New
SFM
255
Soros Fund Management
New York
$598K +$598K +6,672 New
HP
256
Haven Private
Florida
$596K -$17K -190 -3%
TI
257
Tidal Investments
Wisconsin
$593K +$593K +6,615 New
Prudential Financial
258
Prudential Financial
New Jersey
$585K +$585K +8,346 New
JFG
259
Jefferies Financial Group
New York
$574K +$574K +6,407 New
AB
260
Amalgamated Bank
New York
$571K +$571K +6,370 New
OC
261
Oppenheimer & Co
New York
$547K +$216K +2,413 +65%
SCM
262
SCS Capital Management
Massachusetts
$540K +$540K +6,028 New
TFS
263
Thoroughbred Financial Services
Tennessee
$525K +$525K +5,865 New
GRP
264
Global Retirement Partners
California
$521K +$521K +5,811 New
LBWM
265
Left Brain Wealth Management
Illinois
$517K +$141K +1,575 +38%
FTUS
266
Flow Traders U.S.
New York
$513K +$513K +5,723 New
WA
267
Wealth Architects
California
$509K – – –
SS
268
SBI Securities
Japan
$489K +$66.1K +738 +16%
GIA
269
Gladstone Institutional Advisory
Florida
$482K +$482K +5,376 New
CBA
270
Coastal Bridge Advisors
Connecticut
$461K +$461K +5,146 New
LNWWM
271
Laird Norton Wetherby Wealth Management
California
$460K +$460K +5,133 New
RWIA
272
Roger Wittlin Investment Advisory
California
$459K -$12.2K -136 -3%
EWM
273
Endowment Wealth Management
Wisconsin
$448K -$269K -3,000 -38%
TFIPS
274
Towarzystwo Funduszy Inwestycyjnych PZU SA
$430K +$269K +3,000 +167%
XT
275
XTX Topco
Cayman Islands
$423K -$4.35M -48,570 -91%
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11
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