Ambrx, a clinical-stage biopharmaceutical company focused on developing Precision Biologics using an expanded genetic code announced today the successful closing of an oversubscribed $200 million crossover financing round.

New investors include Fidelity Management & Research Company LLC, funds and accounts managed by BlackRock, Cormorant Asset Management, HBM Healthcare Investments, Invus, Adage Capital Partners and Suvretta Capital Management. BofA Securities acted as the sole placement agent for the offering.

Ambrx is a clinical stage biopharmaceutical company using an expanded genetic code to create Precision Biologics, this includes next generation antibody drug conjugates (ADCs), bispecifics, and targeted immuno-oncology therapies for cancer as well as novel cytokines to modulate the immune system and long acting therapeutic peptides for metabolic and cardiovascular disease, all designed to have improved pharmacologic properties and novel biological activity. Leveraging the Ambrx proprietary technology platforms, Ambrx has collaborations with Bristol-Myers Squibb, Astellas, BeiGene, Sino Biopharma, Elanco and ZMC, with drug products generated using Ambrx technology in different stages of clinical trials. Ambrx is advancing a robust portfolio of clinical and preclinical programs optimized for efficacy, safety and ease of use in multiple therapeutic areas. For additional information, visit www.ambrx.com.