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Zag Bio

Cambridge, Massachusetts, United States · Biotechnology, Health Care · 35 employees

Zag Bio™ is a biotechnology company pioneering thymus-targeted medicines. It focuses on the development of systemic therapeutics to deliver self-antigens directly to the thymus, aiming to induce central tolerance for treating autoimmune diseases. The lead program is advancing toward clinical trials for Type 1 diabetes, with ongoing discovery efforts for other autoimmune conditions. Zag Bio's techn

Funding history

  • Funding Round — $80.0M — Oct 2025

Recent signals

  • Jan 27, 2026: Zag Bio Appoints Jan Hillson, M.D. as Chief Medical Officer
  • Oct 28, 2025: Raised $80.0M

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