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.
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)
Top Buyers
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
+$172M |
| 2 |
Pictet Asset Management
Carouge,
Switzerland
|
+$97.4M |
| 3 |
Two Sigma Investments
New York
|
+$91.7M |
| 4 |
PC
PointState Capital
New York
|
+$88.7M |
| 5 |
UBS Group
Zurich,
Switzerland
|
+$75.5M |
Top Sellers
| 1 |
BlackRock
New York
|
-$166M |
| 2 |
First Trust Advisors
Wheaton,
Illinois
|
-$124M |
| 3 |
1832 Asset Management
Toronto,
Ontario, Canada
|
-$78.2M |
| 4 |
BC
BIT Capital
Berlin,
Germany
|
-$69.6M |
| 5 |
Federated Hermes
Pittsburgh,
Pennsylvania
|
-$65M |
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.