Rubrik, Inc. - RBRK

Ownership (Schedule 13D / 13G) · latest 50 filings · Back to all files
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Filed Form Reporting person Percent Shares SEC
Mar 27, 2026 SCHEDULE 13G/A The Vanguard Group 0.0% 0 View
Feb 17, 2026 SCHEDULE 13G/A Lightspeed Venture Partners IX, L.P. 2.6% 4,162,362 View
Feb 17, 2026 SCHEDULE 13G/A Lightspeed General Partner IX, L.P. 2.6% 4,162,362 View
Feb 17, 2026 SCHEDULE 13G/A Lightspeed Ultimate General Partner IX, Ltd. 2.6% 4,162,362 View
Feb 17, 2026 SCHEDULE 13G/A Lightspeed SPV I, LLC 1.2% 1,880,593 View
Feb 17, 2026 SCHEDULE 13G/A Lightspeed SPV I-B, LLC 0.9% 1,480,133 View
Feb 17, 2026 SCHEDULE 13G/A Lightspeed SPV I-C, LLC 0.7% 1,036,018 View
Feb 17, 2026 SCHEDULE 13G/A LS SPV Management, LLC 2.8% 4,396,744 View
Feb 17, 2026 SCHEDULE 13G/A Lightspeed Venture Partners Select II, L.P. 0.6% 966,307 View
Feb 17, 2026 SCHEDULE 13G/A Lightspeed General Partner Select II, L.P. 0.6% 966,307 View
Feb 17, 2026 SCHEDULE 13G/A Lightspeed Ultimate General Partner Select II, Ltd. 0.6% 966,307 View
Feb 17, 2026 SCHEDULE 13G/A Lightspeed Venture Partners X, L.P. 0.0% 0 View
Feb 17, 2026 SCHEDULE 13G/A Lightspeed General Partner X, L.P. 0.0% 0 View
Feb 17, 2026 SCHEDULE 13G/A Lightspeed Ultimate General Partner X, Ltd. 0.0% 0 View
Feb 17, 2026 SCHEDULE 13G/A Lightspeed Management Company, L.L.C. 0.0% 0 View
Oct 30, 2025 SCHEDULE 13G/A The Vanguard Group 9.16% 13,016,248 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.