Rubrik, Inc. - RBRK
Ownership (Schedule 13D / 13G) · latest 50 filings
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| Filed | Form | Reporting person | Percent | Shares | SEC |
|---|---|---|---|---|---|
| Aug 14, 2026 | SCHEDULE 13G/A | Lightspeed Venture Partners IX, L.P. | 1.9% | 3,121,772 | View |
| Aug 14, 2026 | SCHEDULE 13G/A | Lightspeed General Partner IX, L.P. | 1.9% | 3,121,772 | View |
| Aug 14, 2026 | SCHEDULE 13G/A | Lightspeed Ultimate General Partner IX, Ltd. | 1.9% | 3,121,772 | View |
| Aug 14, 2026 | SCHEDULE 13G/A | Lightspeed SPV I, LLC | 0.9% | 1,410,445 | View |
| Aug 14, 2026 | SCHEDULE 13G/A | Lightspeed SPV I-B, LLC | 0.7% | 1,110,100 | View |
| Aug 14, 2026 | SCHEDULE 13G/A | Lightspeed SPV I-C, LLC | 0.5% | 777,013 | View |
| Aug 14, 2026 | SCHEDULE 13G/A | LS SPV Management, LLC | 2.0% | 3,297,558 | View |
| Aug 14, 2026 | SCHEDULE 13G/A | Lightspeed Venture Partners Select II, L.P. | 0.4% | 724,730 | View |
| Aug 14, 2026 | SCHEDULE 13G/A | Lightspeed General Partner Select II, L.P. | 0.4% | 724,730 | View |
| Aug 14, 2026 | SCHEDULE 13G/A | Lightspeed Ultimate General Partner Select II, Ltd. | 0.4% | 724,730 | View |
| Aug 13, 2026 | SCHEDULE 13G | AQR Capital Management, LLC | 6.18% | 9,948,468 | View |
| Aug 13, 2026 | SCHEDULE 13G | AQR Capital Management Holdings, LLC | 6.18% | 9,948,468 | View |
| Jul 31, 2026 | SCHEDULE 13G | Vanguard Capital Management | 5.04% | 8,127,004 | View |
| May 06, 2026 | SCHEDULE 13G | FMR LLC | 5.3% | 8,396,765 | View |
| May 06, 2026 | SCHEDULE 13G | Abigail P. Johnson | 5.3% | 8,396,765 | View |
| Apr 29, 2026 | SCHEDULE 13G | Vanguard Portfolio Management | 5.12% | 8,059,129 | View |
| Apr 27, 2026 | SCHEDULE 13G | BlackRock, Inc. | 5.3% | 8,266,919 | View |
| Mar 27, 2026 | SCHEDULE 13G/A | The Vanguard Group | 0.0% | 0 | View |
Percent = "% of class represented by amount beneficially owned" for this reporting person in the filed 13D/13G.
Shares = reported beneficial ownership amount for the same row (not portfolio shares from 13F).
Amendments (/A) can repeat the same holder over time, so rows should not be summed.
Extraction is best-effort from filing text and can be missing or noisy; verify exact figures via the SEC link in each row.