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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
CIBC Private Wealth Group
301
CIBC Private Wealth Group
Georgia
$293K -$46.3K -586 -15%
CWA
302
Cura Wealth Advisors
Illinois
$287K +$253K +3,200 New
C
303
Cliffwater
California
$285K – – –
Truist Financial
304
Truist Financial
North Carolina
$275K +$243K +3,068 New
Mariner
305
Mariner
Kansas
$274K +$242K +3,058 New
OAM
306
Oxford Asset Management
United Kingdom
$267K +$236K +2,981 New
GCP
307
GSA Capital Partners
United Kingdom
$259K +$229K +2,896 New
SSG
308
Summit Securities Group
New York
$256K +$185K +2,342 +457%
DWM
309
Dynasty Wealth Management
Florida
$255K -$117K -1,477 -34%
OR
310
Olympiad Research
Connecticut
$247K +$218K +2,760 New
SCM
311
Sterling Capital Management
North Carolina
$241K +$213K +2,693 New
IA
312
IFP Advisors
Florida
$239K +$79.8K +1,010 +61%
SPG
313
Strategic Planning Group
Utah
$235K +$208K +2,628 New
VA
314
Vident Advisory
Georgia
$235K +$207K +2,620 New
JGC
315
J. Goldman & Co
New York
$234K +$206K +2,609 New
KBC Group
316
KBC Group
Belgium
$233K -$58.3K -737 -22%
VPIM
317
Vanguard Personalized Indexing Management
California
$230K +$203K +2,569 New
IWC
318
Integrated Wealth Concepts
Massachusetts
$228K +$201K +2,548 New
Cambridge Investment Research Advisors
319
Cambridge Investment Research Advisors
Iowa
$225K +$199K +2,513 New
AWP
320
Abacus Wealth Partners
California
$224K +$198K +2,505 New
JSSH
321
J. Safra Sarasin Holding
$224K +$198K +2,500 New
SLAM
322
Swiss Life Asset Management
$222K +$196K +2,481 New
PA
323
Parallel Advisors
California
$215K +$186K +2,357 +5,357%
OAM
324
Oppenheimer Asset Management
New York
$211K +$186K +2,354 New
NYLIC
325
New York Life Insurance Company
New York
$209K +$184K +2,333 New
11 12
13
14 15

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.