Ouster, Inc. Common Stock (OUST)
Who owns Ouster, Inc. Common Stock (OUST)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 95.9% of the shares are freely tradable; institutional investors hold 50.0%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 8.31 | 5,290,375 | +3.0 | 03/31/2026 |
| Vanguard Group Inc | 7.41 | 4,719,021 | +0.0 | 12/31/2025 |
| Vanguard Capital Management, LLC | 4.18 | 2,664,383 | +0.0 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 2.78 | 1,770,252 | +0.0 | 03/31/2026 |
| State Street Corp | 2.56 | 1,632,666 | +3.3 | 03/31/2026 |
| Geode Capital Management, LLC | 2.28 | 1,450,108 | +2.0 | 03/31/2026 |
| Penn Capital Management Company LLC | 1.52 | 969,605 | +25.1 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 3.04 | 1,932,892 | +0.1 | 04/30/2026 |
| iShares Russell 2000 ETF | 2.13 | 1,353,777 | +0.9 | 05/29/2026 |
| Vanguard Information Technology ETF | 1.99 | 1,264,093 | +0.5 | 04/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 6. Jul 2026 | Heystee Susan | Director | Other | 660 | 49.83 | 32,888 |
| 22. Apr 2026 | Mark Frichtl | CTO | Sell | 400 | 30.00 | 12,000 |
| 21. Apr 2026 | Stephen A Skaggs | Director | Sell | 5,000 | 28.00 | 140,000 |
| 20. Apr 2026 | Mark Frichtl | CTO | Sell | 60,000 | 26.58 | 1,594,800 |
| 17. Apr 2026 | Mark Frichtl | CTO | Sell | 30,000 | 25.15 | 754,500 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character.
View all insider transactions →Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.