Rubrik
RBRK
305 hedge funds and large institutions have $4.89B invested in Rubrik in 2025 Q1 according to their latest regulatory filings, with 92 funds opening new positions, 121 increasing their positions, 63 reducing their positions, and 37 closing their positions.
149% more first-time investments, than exits
New positions opened: 92 | Existing positions closed: 37
92% more repeat investments, than reductions
Existing positions increased: 121 | Existing positions reduced: 63
60% more funds holding in top 10
Funds holding in top 10: 10 → 16 (+6)
21% more funds holding
Funds holding: 252 → 305 (+53)
12% more capital invested
Capital invested by funds: $4.38B → $4.89B (+$512M)
0.77% more ownership
Funds ownership: 76.96% → 77.72% (+0.77%)
12% less call options, than puts
Call options by funds: $117M | Put options by funds: $133M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Legal & General Group
London,
United Kingdom
|
+$134M |
| 2 |
D.E. Shaw & Co
New York
|
+$60.4M |
| 3 |
Teacher Retirement System of Texas
Austin,
Texas
|
+$58.3M |
| 4 |
Bank of America
Charlotte,
North Carolina
|
+$56M |
| 5 |
SSA
Schonfeld Strategic Advisors
New York
|
+$47.7M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Norges Bank
Oslo,
Norway
|
-$78.7M |
| 2 |
ACM
Altimeter Capital Management
Boston,
Massachusetts
|
-$55.3M |
| 3 |
N
Nuveen
Charlotte,
North Carolina
|
-$53.2M |
| 4 |
JP Morgan Chase
New York
|
-$43.2M |
| 5 |
AllianceBernstein
Nashville,
Tennessee
|
-$28.2M |
RBRK Hedge Fund Activity: Q1 2025 in Review
305 of the 7,458 institutional investors tracked by Wall St. Rank reported a position in Rubrik (RBRK) for Q1 2025, worth a combined $4.89B — up 12% from $4.38B a quarter earlier.
Buyers outnumbered sellers: 92 funds opened new RBRK positions and 37 closed out — a net gain of 55 holders — while 121 added to existing stakes and 63 trimmed.
The largest buyer was Legal & General Group, adding an estimated $134M. The largest seller was Norges Bank, cutting an estimated $78.7M.
- 305 institutional investors held Rubrik (RBRK) as of Q1 2025, up from 252 in Q4 2024.
- Funds reported $4.89B of Rubrik stock for Q1 2025, up 12% quarter-over-quarter.
- 92 funds opened new Rubrik positions in Q1 2025 and 37 closed out, a net change of +55 holders.
- The largest Rubrik buyer in Q1 2025 was Legal & General Group, an estimated $134M added.
- The largest Rubrik seller in Q1 2025 was Norges Bank, an estimated $78.7M sold.
Based on aggregated 13F filings for Q1 2025.