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Rubrik
RBRK

389 hedge funds and large institutions have $8.93B invested in Rubrik in 2025 Q2 according to their latest regulatory filings, with 135 funds opening new positions, 133 increasing their positions, 91 reducing their positions, and 46 closing their positions.

New
Increased
Maintained
Reduced
Closed

193% more first-time investments, than exits

New positions opened: 135 | Existing positions closed: 46

83% more capital invested

Capital invested by funds: $4.89B → $8.93B (+$4.04B)

64.86% more ownership

Funds ownership: 77.72% → 142.58% (+65%)

46% more repeat investments, than reductions

Existing positions increased: 133 | Existing positions reduced: 91

28% more funds holding

Funds holding: 305 → 389 (+84)

19% more funds holding in top 10

Funds holding in top 10: 16 → 19 (+3)

15% less call options, than puts

Call options by funds: $211M | Put options by funds: $249M

Holders
389
Holders Change
+84
Holders Change %
+27.54%
% of All Funds
5.12%
Holding in Top 10
19
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+18.75%
% of All Funds
0.25%
New
135
Increased
133
Reduced
91
Closed
46
Calls
$211M
Puts
$249M
Net Calls
-$38.5M
Net Calls Change
-$22.6M

Top Buyers

Rank Fund Capital Flow
1
BlackRock
BlackRock
New York
+$480M
2
Vanguard Group
Vanguard Group
Pennsylvania
+$401M
3
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$159M
4
First Trust Advisors
First Trust Advisors
Illinois
+$109M
5
Acadian Asset Management
Acadian Asset Management
Massachusetts
+$97.8M

Top Sellers

Rank Fund Capital Flow
1
BCVI
Bain Capital Venture Investors
Massachusetts
-$111M
2
PC
PointState Capital
New York
-$81.1M
3
SSA
Schonfeld Strategic Advisors
New York
-$59.4M
4
Norges Bank
Norges Bank
Norway
-$51M
5
ACM
Altimeter Capital Management
Massachusetts
-$50.7M
Name Holding Trade Value Shares
Change 		Change in
Stake
AIG
151
American International Group
New York
$3.27M – – –
DWM
152
Diversify Wealth Management
Utah
$3.2M +$154K +1,946 +6%
Citigroup
153
Citigroup
New York
$3M +$206K +2,602 +8%
Neuberger Berman Group
154
Neuberger Berman Group
New York
$2.98M -$1.05M -13,255 -28%
PHK
155
Point72 Hong Kong
Hong Kong
$2.96M -$3.35M -42,367 -56%
AC
156
AlphaCore Capital
California
$2.95M +$1.73M +21,937 +199%
State of New Jersey Common Pension Fund D
157
State of New Jersey Common Pension Fund D
New Jersey
$2.94M +$305K +3,864 +13%
SO
158
STRS Ohio
Ohio
$2.93M +$2.58M +32,651 New
Zurich Cantonal Bank
159
Zurich Cantonal Bank
Switzerland
$2.91M +$817K +10,338 +47%
Victory Capital Management
160
Victory Capital Management
Texas
$2.78M +$1.73M +21,907 +239%
Ohio Public Employees Retirement System (OPERS)
161
Ohio Public Employees Retirement System (OPERS)
Ohio
$2.7M +$2.38M +30,141 New
Point72 Asset Management
162
Point72 Asset Management
Connecticut
$2.68M -$23.1M -292,007 -91%
MMEA
163
Main Management ETF Advisors
California
$2.63M +$37.9K +480 +2%
YIH
164
Y-Intercept (HK)
Hong Kong
$2.52M +$440K +5,571 +25%
ASRS
165
Arizona State Retirement System
Arizona
$2.49M +$323K +4,087 +17%
Manulife (Manufacturers Life Insurance)
166
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$2.43M +$24.1K +305 +1%
HIM
167
Hillsdale Investment Management
Ontario, Canada
$2.41M +$1.42M +18,000 +202%
SCI
168
S&CO Inc
Massachusetts
$2.37M +$1.05M +13,224 +100%
IP
169
Interval Partners
New York
$2.34M +$2.06M +26,076 New
BCM
170
BlueCrest Capital Management
Jersey
$2.24M – – –
Brown Advisory
171
Brown Advisory
Maryland
$2.23M +$1.6M +20,290 +445%
ETCM
172
Evolutionary Tree Capital Management
Virginia
$2.16M +$1.9M +24,080 New
Simplex Trading
173
Simplex Trading
Illinois
$2.08M -$545K -6,896 -23%
PWP
174
Pursue Wealth Partners
California
$2.03M -$1.2M -15,238 -40%
ACMH
175
Andar Capital Management (HK)
Hong Kong
$1.97M +$1.74M +22,000 New
5 6
7
8 9

RBRK Hedge Fund Activity: Q2 2025 in Review

389 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Rubrik (RBRK) for Q2 2025, worth a combined $8.93B — up 83% from $4.89B a quarter earlier.

Buyers outnumbered sellers: 135 funds opened new RBRK positions and 46 closed out — a net gain of 89 holders — while 133 added to existing stakes and 91 trimmed.

The largest buyer was BlackRock, adding an estimated $480M. The largest seller was Bain Capital Venture Investors, cutting an estimated $111M.

  • 389 institutional investors held Rubrik (RBRK) as of Q2 2025, up from 305 in Q1 2025.
  • Funds reported $8.93B of Rubrik stock for Q2 2025, up 83% quarter-over-quarter.
  • 135 funds opened new Rubrik positions in Q2 2025 and 46 closed out, a net change of +89 holders.
  • The largest Rubrik buyer in Q2 2025 was BlackRock, an estimated $480M added.
  • The largest Rubrik seller in Q2 2025 was Bain Capital Venture Investors, an estimated $111M sold.

Based on aggregated 13F filings for Q2 2025.