Antheia, Inc.
Antheia, Inc. is a biotech company in Menlo Park, United States, founded in 2016. It has raised $228.0M across 4 rounds, most recently a $24.0M Series C in January 2026.
Ending drug shortages with advanced biosynthesis
- Headquarters
- Menlo Park, California
- Employees
- 1–10
- Founded
- 2016
- Business Model
- B2B
- Website
- antheia.bio
- Total Funding
- $228.0M
- Last Round
- $24.0M Series CJan 2026
- Rounds
- 4
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
Indexed holds 4 funding rounds and 11 investors for this company. The full record is or through the API.
About
Antheia, Inc. is a next-generation pharmaceutical ingredient manufacturer using synthetic biology and advanced biosynthesis to produce Active Pharmaceutical Ingredients (APIs) and Key Starting Materials (KSMs) for essential medicines. Founded by Stanford synthetic biology pioneer Dr. Christina Smolke, Antheia engineers yeast to reconstruct complex plant biosynthetic pathways—converting simple sugars into high-value pharmaceutical compounds at commercial scale via fermentation. The company has a pipeline of 70+ biosynthetic KSMs and APIs and achieved commercial-scale shipment of thebaine for use in Narcan (naloxone) production, addressing critical drug shortage vulnerabilities in the U.S. pharmaceutical supply chain.
Summary
It lists 1–10 employees. It has raised $228.0M in total across 4 rounds, most recently a $24.0M Series C round in Jan 2026. Investors include Global Health Investment Corporation, Viking Global and Khosla Ventures.
Tech & App Stack
5 technologies & apps tracked
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Funding History
Jan 2026
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Funding: Series B through Series C. Amounts, valuations, and investors where available.
Investors
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