Fortress Biotech Inc
Ownership
Ownership Structure
Who owns Fortress Biotech Inc (FBIO)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 64.3% of the shares are freely tradable; institutional investors hold 24.8%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Capital Management, LLC | 2.90 | 966,030 | +0.0 | 03/31/2026 |
| Opaleye Management Inc | 2.67 | 890,000 | -14.6 | 06/30/2026 |
| GSA Capital Partners LLP | 1.37 | 458,472 | +80.4 | 06/30/2026 |
| Shikiar Asset Management Inc | 0.92 | 305,469 | +0.0 | 06/30/2026 |
| Geode Capital Management, LLC | 0.87 | 290,255 | +10.6 | 03/31/2026 |
| Northern Trust Corp | 0.69 | 230,053 | -4.0 | 03/31/2026 |
| Two Sigma Investments LLC | 0.64 | 213,786 | +8.6 | 06/30/2026 |
| Susquehanna International Group, LLP | 0.63 | 210,745 | -8.3 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 2.09 | 697,802 | +0.0 | 07/31/2026 |
| Vanguard Institutional Extnd Mkt Idx Tr | 0.93 | 311,095 | +0.0 | 07/31/2026 |
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: September 17, 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.