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 | 8.92 | 7,002,530 | +30.4 | 06/30/2026 |
| Kynam Capital Management, LP | 6.78 | 5,322,908 | -8.9 | 06/30/2026 |
| T. Rowe Price Associates, Inc. | 5.97 | 4,685,223 | +124.6 | 06/30/2026 |
| State Street Corp | 4.97 | 3,900,427 | +39.1 | 06/30/2026 |
| FMR Inc | 4.74 | 3,722,888 | -0.7 | 06/30/2026 |
| Vanguard Capital Management, LLC | 4.41 | 3,464,831 | +17.0 | 06/30/2026 |
| Deep Track Capital, LP | 3.74 | 2,939,151 | +128.9 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Health Care Inv | 5.45 | 4,279,485 | +0.0 | 06/30/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 3.20 | 2,508,678 | +0.5 | 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 3, 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.