C4 Therapeutics Inc (CCCC)
Who owns C4 Therapeutics Inc (CCCC)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 75.7% of the shares are freely tradable; institutional investors hold 85.1%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Morgan Stanley - Brokerage Accounts | 8.21 | 9,072,400 | +1.0 | 03/31/2026 |
| RA Capital Management, LLC | 7.24 | 8,000,000 | +0.0 | 03/31/2026 |
| Bain Capital Life Sciences Investors, LLC | 6.49 | 7,171,910 | +0.0 | 03/31/2026 |
| Lynx1 Capital Management, LP | 6.33 | 6,998,902 | -1.4 | 03/31/2026 |
| Vanguard Capital Management, LLC | 3.49 | 3,861,852 | +0.0 | 03/31/2026 |
| Soleus Capital Management, L.P. | 3.44 | 3,803,942 | +0.0 | 03/31/2026 |
| Wasatch Advisors LP | 3.19 | 3,522,644 | +18.9 | 06/30/2026 |
| JPMorgan Chase & Co | 2.92 | 3,223,054 | +54,114.5 | 03/31/2026 |
| Two Sigma Investments LLC | 2.75 | 3,035,634 | +101.1 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Morn Total Stk Mkt Idx Investor | 2.95 | 3,264,924 | +12.9 | 06/30/2026 |
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 |
|---|---|---|---|---|---|---|
| 10. Jul 2026 | Reyno Leonard | Chief Medical Officer | Other | 7,397 | 4.06 | 30,032 |
| 10. Jul 2026 | Reyno Leonard | Chief Medical Officer | Other | 15,325 | 0.00 | – |
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.