Infinimmune raises $75 million to advance pipeline

12 August 2026

California, USA-based biotechnology company Infinimmune, which is developing antibody therapeutics derived directly from the human immune system, announced the closing of a $75 million Series A financing.

This was co-led by Regeneron Ventures and Playground Global with participation from RA Capital Management, Goldcrest Capital, Forge Life Science Partners, Godfrey Capital, and Wild Tree Ventures. Existing investors Merck Global Health Innovation Fund, Everbright Biofund, Civilization Ventures, and Pear VC also participated.

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