Osanni Bio raises $190 million Series B to advance therapeutics platform

24 June 2026

US biotech company Osanni Bio has raised $190 million in a Series B financing round led by healthcare investment firm Patient Square Capital, with proceeds set to support its development-stage therapeutics platform.

Existing investors the Horowitz Group, Invus Opportunities and the Retinal Degeneration Fund also took part in the round, which will be used to advance Osanni’s current pipeline and scale its discovery and development process.

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