Solid Biosciences LLC
Ownership
Ownership Structure
Who owns Solid Biosciences LLC (SLDB)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 60.4% of the shares are freely tradable; institutional investors hold 101.6%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| RA Capital Management, LLC | 11.23 | 12,036,126 | +28.9 | 06/30/2026 |
| Perceptive Advisors LLC | 11.10 | 11,906,646 | +0.0 | 06/30/2026 |
| Bain Capital Life Sciences Investors, LLC | 9.15 | 9,808,819 | +0.0 | 06/30/2026 |
| Siren, L.L.C. | 7.17 | 7,690,405 | +0.0 | 06/30/2026 |
| BlackRock Inc | 6.47 | 6,934,248 | +39.8 | 06/30/2026 |
| FMR Inc | 6.41 | 6,875,957 | +90.7 | 06/30/2026 |
| Armistice Capital, LLC | 3.99 | 4,278,000 | +33.7 | 06/30/2026 |
| State Street Corp | 3.89 | 4,175,365 | +271.0 | 06/30/2026 |
| Jupiter Topco LLC | 3.77 | 4,043,605 | +0.0 | 06/30/2026 |
| HHG PLC | 3.74 | 4,010,695 | +0.0 | 03/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Smith Ian F | Director | 141,585 | 849,510 $ | Oct 2, 2026 | direct |
| Brooks Gabriel | Chief Medical Officer | 97,241 | 583,446 $ | Oct 19, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 19, 2026 | Brooks Gabriel | Chief Medical Officer | Sell | 4,374 | 5.62 | 24,582 |
| Oct 18, 2026 | Brooks Gabriel | Chief Medical Officer | Other | 9,750 | – | – |
| Oct 2, 2026 | Smith Ian F | Director | Other | 3,440 | – | – |
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: November 2, 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.