Rubrik
RBRK
573 hedge funds and large institutions have $10.4B invested in Rubrik in 2026 Q2 according to their latest regulatory filings, with 187 funds opening new positions, 221 increasing their positions, 116 reducing their positions, and 72 closing their positions.
160% more first-time investments, than exits
New positions opened: 187 | Existing positions closed: 72
91% more repeat investments, than reductions
Existing positions increased: 221 | Existing positions reduced: 116
83% more capital invested
Capital invested by funds: $5.69B → $10.4B (+$4.7B)
58% more call options, than puts
Call options by funds: $515M | Put options by funds: $326M
23% more funds holding
Funds holding: 465 → 573 (+108)
9% more funds holding in top 10
Funds holding in top 10: 11 → 12 (+1)
7.31% more ownership
Funds ownership: 73.58% → 80.89% (+7.3%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AQR Capital Management
Greenwich,
Connecticut
|
+$486M |
| 2 |
AIM
Anatole Investment Management
Central,
Hong Kong
|
+$138M |
| 3 |
BlackRock
New York
|
+$73.8M |
| 4 |
First Trust Advisors
Wheaton,
Illinois
|
+$68.2M |
| 5 |
Fidelity Investments
Boston,
Massachusetts
|
+$59.2M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
PC
PointState Capital
New York
|
-$113M |
| 2 |
Two Sigma Investments
New York
|
-$110M |
| 3 |
Pictet Asset Management
Carouge,
Switzerland
|
-$60.2M |
| 4 |
CIP
Champlain Investment Partners
Burlington,
Vermont
|
-$50.5M |
| 5 |
GC
Greenvale Capital
London,
United Kingdom
|
-$49.9M |
RBRK Hedge Fund Activity: Q2 2026 in Review
573 of the 8,305 institutional investors tracked by Wall St. Rank reported a position in Rubrik (RBRK) for Q2 2026, worth a combined $10.4B — up 83% from $5.69B a quarter earlier.
Buyers outnumbered sellers: 187 funds opened new RBRK positions and 72 closed out — a net gain of 115 holders — while 221 added to existing stakes and 116 trimmed.
The largest buyer was AQR Capital Management, adding an estimated $486M. The largest seller was PointState Capital, cutting an estimated $113M.
- 573 institutional investors held Rubrik (RBRK) as of Q2 2026, up from 465 in Q1 2026.
- Funds reported $10.4B of Rubrik stock for Q2 2026, up 83% quarter-over-quarter.
- 187 funds opened new Rubrik positions in Q2 2026 and 72 closed out, a net change of +115 holders.
- The largest Rubrik buyer in Q2 2026 was AQR Capital Management, an estimated $486M added.
- The largest Rubrik seller in Q2 2026 was PointState Capital, an estimated $113M sold.
Based on aggregated 13F filings for Q2 2026.