![]() Sellas Life Sciences SELLAS Life Sciences is a clinical biopharmaceutical company focused on the development of cancer immunotherapies. | ![]() Celldex Therapeutics Celldex Therapeutics (formerly Avant Immunotherapeutics) is a biopharmaceutical company that specializes in monoclonal and bispecific antibodies development. | |
Founding Date | Founding Date 2006 | Founding Date 1983 |
Type | Type Public | Type Public |
Tags | ||
Locations | Locations New York, US HQ New York, US | Locations Hampton, US HQ Fall River, US Needham, US New Haven, US |
Employees | Employees 538% decrease | Employees 1608% increase |
Valuation ($) | Valuation ($) 79.1 m | Valuation ($) 1.9 b |
Financial | ||
Net income | Net income ($26.9m) (FY, 2025) | Net income ($258.8m) (FY, 2025) |

Celldex Therapeutics (formerly Avant Immunotherapeutics) is a biopharmaceutical company that specializes in monoclonal and bispecific antibodies development.
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