ADC biotech Ona Therapeutics secures $86.6M in Series B raise

Valerie Vanhooren, Ona Therapeutics CEO June 4, 2026 03:00 AM EDTUpdated 06:15 AM FinancingStartups ADC biotech Ona Ther­a­peu­tics se­cures $86.6M in Se­ries B raise Ayisha Sharma News Reporter Barcelona-based Ona Ther­a­peu­tics has raised $86.6 mil­lion in a Se­ries B round to ad­vance two ADC can­di­dates in­to the clin­ic. CEO Va­lerie Van­hooren told End­points … Sign up to read this article for free. Get free access to a limited number of articles, plus choose newsletters to get straight to your inbox. SIGN UP LOG IN BECOME A PREMIUM SUBSCRIBER