Ouster, Inc. (OUST) ownership: Top institutional holder: VANGUARD GROUP INC ($102.12M). Insider activity: Net Seller (0 buys, 20 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| VANGUARD GROUP INC | 4719021.00 | $102.12M | 2025-12-31 |
| BlackRock, Inc. | 5290375.00 | $97.18M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 2664383.00 | $48.94M | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1770252.00 | $32.52M | 2026-03-31 |
| STATE STREET CORP | 1632666.00 | $29.99M | 2026-03-31 |
| GEODE CAPITAL MANAGEMENT, LLC | 1450108.00 | $26.64M | 2026-03-31 |
| Slate Path Capital LP | 829000.00 | $17.94M | 2025-12-31 |
| Penn Capital Management Company, LLC | 969605.00 | $17.85M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-12 | |
| Sell | null | 2026-06-12 | |
| Sell | null | 2026-06-12 | |
| Sell | null | 2026-06-12 | |
| Sell | null | 2026-06-12 | |
| Sell | null | 2026-06-12 | |
| Sell | null | 2026-05-26 | |
| Sell | null | 2026-05-26 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.