Rubrik, Inc. (RBRK) Shareholders & Insider Trades
Rubrik shareholders at a glance
The largest holder of Rubrik stock is AQR Capital Management LLC, with 9.9 million shares (8.05% of the company), worth about $926.00 million as of September 25, 2026. The 10 largest holders together own 51.0%.
In Q2 2026, 621 institutional holdings reports listed 145.0 million shares worth $10.60 billion, up 25.0% in shares from Q1 2026.
Insiders reported 50 transactions in the last two years: 25 sales worth $67.11 million and no purchases. The newest one on file is from November 5, 2025 (Choudary Kiran Kumar, Chief Financial Officer).
Major holders as of September 25, 2026; quarterly totals from institutional holdings reports (latest Q2 2026); insider transactions on file through November 5, 2025.
Rubrik, Inc.
Shareholders Summary
2026Q2
Ownership by Type
Geographic Distribution
Largest Rubrik shareholders
| Holder | Shares | % of company | Value |
|---|---|---|---|
| AQR Capital Management LLC | 9.9 million | 8.05% | $926.0M |
| Fidelity Management & Research Co. LLC | 9.2 million | 7.45% | $856.0M |
| BlackRock Advisors LLC | 8.9 million | 7.20% | $828.0M |
| Vanguard Portfolio Management LLC | 8.3 million | 6.72% | $772.0M |
| Vanguard Capital Management LLC | 6.9 million | 5.57% | $641.0M |
| First Trust Advisors LP | 6.0 million | 4.84% | $556.0M |
| Norges Bank (13F) | 4.1 million | 3.29% | $379.0M |
| Voya Investment Management Co. LLC | 4.0 million | 3.24% | $373.0M |
| Geode Capital Management LLC | 2.9 million | 2.33% | $268.0M |
| State Street Corporation | 2.9 million | 2.32% | $266.0M |
As of September 25, 2026.
Rubrik institutional holdings by quarter
| Quarter | Reports | Shares | Value |
|---|---|---|---|
| Q2 2026 | 621 | 145.0 million | $10.6B |
| Q1 2026 | 503 | 116.0 million | $5.7B |
| Q4 2025 | 516 | 116.0 million | $8.8B |
| Q3 2025 | 484 | 105.0 million | $8.5B |
| Q2 2025 | 429 | 105.0 million | $9.3B |
| Q1 2025 | 338 | 82.4 million | $5.0B |
| Q4 2024 | 278 | 67.0 million | $4.4B |
| Q3 2024 | 185 | 54.0 million | $1.7B |
Shares and value held by institutions that file quarterly holdings reports (options not included).
Rubrik insider trades
| Insider | Date | Title | Transaction | Value |
|---|---|---|---|---|
| Choudary Kiran Kumar | Nov 5, 2025 | Chief Financial Officer | -- | – |
| Choudary Kiran Kumar | Nov 5, 2025 | Chief Financial Officer | Sale at price 72.29 per share. | $253,015 |
| Thompson John Wendell | Nov 3, 2025 | Director | -- | – |
| Thompson John Wendell | Nov 3, 2025 | Director | Sale at price 74.43 - 76.21 per share. | $679,721 |
| Choudary Kiran Kumar | Oct 15, 2025 | Chief Financial Officer | -- | – |
| Choudary Kiran Kumar | Oct 15, 2025 | Chief Financial Officer | Sale at price 79.00 - 80.62 per share. | $279,236 |
| Mccarthy Brian Keith | Oct 13, 2025 | Officer | Sale at price 82.00 - 85.05 per share. | $830,334 |
| Thompson John Wendell | Oct 1, 2025 | Director | -- | – |
| Choudary Kiran Kumar | Oct 1, 2025 | Chief Financial Officer | -- | – |
| Thompson John Wendell | Oct 1, 2025 | Director | Sale at price 82.27 - 83.77 per share. | $745,607 |
| Choudary Kiran Kumar | Oct 1, 2025 | Chief Financial Officer | Sale at price 82.12 - 83.77 per share. | $289,370 |
| Mccarthy Brian Keith | Sep 29, 2025 | Officer | Stock Gift at price 0.00 per share. | – |
Newest 12 of 50 insider transactions in the last two years.
Questions and answers
Who owns the most Rubrik stock?
AQR Capital Management LLC, with 8.05% of the company (as of September 25, 2026). Next: Fidelity Management & Research Co. LLC (7.45%) and BlackRock Advisors LLC (7.20%).
How many institutions own Rubrik stock?
621 institutional holdings reports listed Rubrik shares in Q2 2026, 145.0 million shares in all worth $10.60 billion.
Are Rubrik insiders buying or selling the stock?
In the last two years insiders reported 25 sales and no purchases (50 transactions in all); the newest on file is from November 5, 2025.
