Celldex Therapeutics Inc
Ownership
Ownership Structure
Who owns Celldex Therapeutics Inc (CLDX)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 93.0% of the shares are freely tradable; institutional investors hold 94.8%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Wellington Management Company LLP | 12.16 | 9,543,671 | +11.5 | 06/30/2026 |
| BlackRock Inc | 6.84 | 5,369,885 | -1.5 | 03/31/2026 |
| Kynam Capital Management, LP | 6.78 | 5,322,908 | -8.9 | 06/30/2026 |
| FMR Inc | 4.78 | 3,749,048 | -23.6 | 03/31/2026 |
| Point72 Asset Management, L.P. | 4.11 | 3,229,939 | +83.7 | 03/31/2026 |
| Vanguard Capital Management, LLC | 3.77 | 2,960,895 | +0.0 | 03/31/2026 |
| Deep Track Capital, LP | 3.74 | 2,939,151 | +128.9 | 06/30/2026 |
| State Street Corp | 3.57 | 2,804,168 | -17.5 | 03/31/2026 |
| COMMODORE CAPITAL LP | 3.44 | 2,696,616 | +5.1 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Health Care Inv | 5.45 | 4,279,485 | +0.0 | 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.
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.