Rubrik, Inc.
A maker of data security software, Rubrik helps businesses back up their data and defend against ransomware through its Rubrik Security Cloud platform and its newer Rubrik Agent Cloud for managing AI agents. Four engineers founded the company in 2014 to replace clunky, outdated backup systems. Its name comes from "rubric," a set of rules or a guide—though a job applicant once famously mistook it for the Rubik's Cube.
| Holder | Schedule | % of class | Shares | Filed |
|---|---|---|---|---|
| LS SPV Management, LLC | 13G/APassive | 2% | 3.30M | Aug 14, 2026 |
| Lightspeed Venture Partners IX, L.P. | 13G/APassive | 1.9% | 3.12M | Aug 14, 2026 |
| Lightspeed General Partner IX, L.P. | 13G/APassive | 1.9% | 3.12M | Aug 14, 2026 |
| Lightspeed Ultimate General Partner IX, Ltd. | 13G/APassive | 1.9% | 3.12M | Aug 14, 2026 |
| Lightspeed SPV I, LLC | 13G/APassive | 0.9% | 1.41M | Aug 14, 2026 |
| Lightspeed SPV I-B, LLC | 13G/APassive | 0.7% | 1.11M | Aug 14, 2026 |
| Lightspeed SPV I-C, LLC | 13G/APassive | 0.5% | 777.0K | Aug 14, 2026 |
| Lightspeed Venture Partners Select II, L.P. | 13G/APassive | 0.4% | 724.7K | Aug 14, 2026 |
| Lightspeed General Partner Select II, L.P. | 13G/APassive | 0.4% | 724.7K | Aug 14, 2026 |
| Lightspeed Ultimate General Partner Select II, Ltd. | 13G/APassive | 0.4% | 724.7K | Aug 14, 2026 |