We are live on ! Find out more
RBRK icon

Rubrik
RBRK

462 hedge funds and large institutions have $5.68B invested in Rubrik in 2026 Q1 according to their latest regulatory filings, with 108 funds opening new positions, 190 increasing their positions, 115 reducing their positions, and 110 closing their positions.

New
Increased
Maintained
Reduced
Closed

65% more repeat investments, than reductions

Existing positions increased: 190 | Existing positions reduced: 115

6% more call options, than puts

Call options by funds: $264M | Put options by funds: $249M

2% less first-time investments, than exits

New positions opened: 108 | Existing positions closed: 110

2% less funds holding

Funds holding: 473 → 462 (-11)

2.55% less ownership

Funds ownership: 76.12% → 73.58% (-2.5%)

35% less funds holding in top 10

Funds holding in top 10: 17 → 11 (-6)

36% less capital invested

Capital invested by funds: $8.84B → $5.68B (-$3.15B)

Holders
462
Holders Change
-11
Holders Change %
-2.33%
% of All Funds
5.69%
Holding in Top 10
11
Holding in Top 10 Change
-6
Holding in Top 10 Change %
-35.29%
% of All Funds
0.14%
New
108
Increased
190
Reduced
115
Closed
110
Calls
$264M
Puts
$249M
Net Calls
+$14.8M
Net Calls Change
-$139M

Top Buyers

1
Fidelity Investments
Fidelity Investments
Massachusetts
+$172M
2
Pictet Asset Management
Pictet Asset Management
Switzerland
+$97.4M
3
Two Sigma Investments
Two Sigma Investments
New York
+$91.7M
4
PC
PointState Capital
New York
+$88.7M
5
UBS Group
UBS Group
Switzerland
+$75.5M

Top Sellers

1
BlackRock
BlackRock
New York
-$166M
2
First Trust Advisors
First Trust Advisors
Illinois
-$124M
3
1832 Asset Management
1832 Asset Management
Ontario, Canada
-$78.2M
4
BC
BIT Capital
Germany
-$69.6M
5
Federated Hermes
Federated Hermes
Pennsylvania
-$65M
Name Holding Trade Value Shares
Change 		Change in
Stake
D.E. Shaw & Co
176
D.E. Shaw & Co
New York
$1.65M -$50M -871,799 -96%
AC
177
AlphaCore Capital
California
$1.62M +$224K +3,904 +13%
Carson Wealth (CWM LLC)
178
Carson Wealth (CWM LLC)
Nebraska
$1.62M +$990K +17,253 +109%
QT
179
Quantbot Technologies
New York
$1.61M -$3.17M -55,253 -63%
Handelsbanken Fonder
180
Handelsbanken Fonder
Sweden
$1.61M – – –
KK
181
KLP Kapitalforvaltning
Norway
$1.59M +$63.1K +1,100 +4%
MCC
182
Money Concepts Capital
Florida
$1.56M +$828K +14,422 +82%
WG
183
Winton Group
United Kingdom
$1.53M +$1.48M +25,771 +477%
ZCI
184
Zevenbergen Capital Investments
Washington
$1.51M +$1.77M +30,875 New
William Blair & Company
185
William Blair & Company
Illinois
$1.5M +$1.3M +22,640 +282%
BCI
186
Brinker Capital Investments
Pennsylvania
$1.49M +$835K +14,548 +92%
MIC
187
Maxi Investments CY
Cyprus
$1.47M +$1.72M +30,000 New
Creative Planning
188
Creative Planning
Kansas
$1.45M +$338K +5,889 +25%
SP
189
SIH Partners
Delaware
$1.44M +$1.69M +29,479 New
ACM
190
Alamar Capital Management
California
$1.42M +$1.67M +29,070 New
KBC Group
191
KBC Group
Belgium
$1.42M +$426K +7,425 +34%
SMTF
192
Sphera Management Technology Funds
Israel
$1.36M +$287K +5,000 +22%
DTL
193
Dynamic Technology Lab
Singapore
$1.34M +$691K +12,034 +78%
PEAK6
194
PEAK6
Illinois
$1.34M +$1.57M +27,373 New
BMSSC
195
B. Metzler seel. Sohn & Co
Germany
$1.33M – – –
SSA
196
Schonfeld Strategic Advisors
New York
$1.3M -$32.5M -565,793 -96%
Los Angeles Capital Management
197
Los Angeles Capital Management
California
$1.27M +$1.46M +25,522 +5,230%
BS
198
Banco Santander
Spain
$1.27M +$1.49M +26,006 New
SP
199
Stablepoint Partners
Massachusetts
$1.26M +$422K +7,358 +40%
PCIA
200
Prime Capital Investment Advisors
Kansas
$1.22M +$1.43M +24,971 New
6 7
8
9 10

RBRK Hedge Fund Activity: Q1 2026 in Review

462 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Rubrik (RBRK) for Q1 2026, worth a combined $5.68B — down 36% from $8.84B a quarter earlier.

Sellers outnumbered buyers: 110 funds closed out of RBRK and 108 opened new positions — a net loss of 2 holders — while 115 trimmed existing stakes and 190 added.

The largest buyer was Fidelity Investments, adding an estimated $172M. The largest seller was BlackRock, cutting an estimated $166M.

  • 462 institutional investors held Rubrik (RBRK) as of Q1 2026, down from 473 in Q4 2025.
  • Funds reported $5.68B of Rubrik stock for Q1 2026, down 36% quarter-over-quarter.
  • 108 funds opened new Rubrik positions in Q1 2026 and 110 closed out, a net change of -2 holders.
  • The largest Rubrik buyer in Q1 2026 was Fidelity Investments, an estimated $172M added.
  • The largest Rubrik seller in Q1 2026 was BlackRock, an estimated $166M sold.

Based on aggregated 13F filings for Q1 2026.