Stipple Bio is a Cambridge, MA-based biotechnology company developing precision cancer therapies by targeting tumor-specific cell surface epitopes. Founded in 2022 by Dr. Aaron Ring (Fred Hutch) and Dr. Aashish Manglik (UCSF), the company raised a $100M oversubscribed Series A led by RA Capital in April 2026. Its epitope-level precision approach aims to improve therapeutic index and unlock previously intractable oncology targets.
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