Obsidian Therapeutics, Inc.
Ownership
Ownership Structure
Who owns Obsidian Therapeutics, Inc. (OBX)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 79.1% of the shares are freely tradable; institutional investors hold 0.1%.
Largest Shareholders
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 3.03 | 1,873,100 | +0.0 | 09/30/2026 |
| Schwab US Small-Cap ETF™ | 0.39 | 241,668 | +0.2 | 10/31/2026 |
| Fidelity Extended Market Index | 0.33 | 205,479 | +0.0 | 09/30/2026 |
| Fidelity Total Market Index | 0.14 | 86,999 | +0.0 | 09/30/2026 |
| Fidelity Series Total Market Index | 0.11 | 70,538 | +0.0 | 09/30/2026 |
| iShares Core S&P Total US Stock Mkt ETF | 0.10 | 61,932 | +0.0 | 10/30/2026 |
| Schwab Total Stock Market Index | 0.05 | 32,573 | +0.0 | 09/30/2026 |
| Vanguard Balanced Index Inv | 0.05 | 31,516 | +0.0 | 09/30/2026 |
| Schwab US Broad Market ETF™ | 0.05 | 28,383 | +0.0 | 10/31/2026 |
| Vanguard MStar Inst Ttl StkMktIdxInstlPl | 0.05 | 28,079 | +0.0 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: November 13, 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.