Raythera
AcquiredInnovating Breakthrough Therapies for Unmet Medical Needs
San Diego, United States · Founded 2023 · $110.0M raised
- Headquarters
- San Diego, California
- Employees
- 1–10
- Founded
- 2023
- Business Model
- B2B
- Website
- raythera.com
- Total Funding
- $110.0M
- Last Round
- $110.0M Series AApr 2025
- Rounds
- 1
- Acquired by
- BiogenAug 2026
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
About
RayThera is a San Diego-based biotechnology company founded in 2023, focused on discovering and developing small molecule therapies for critical unmet needs in immunology. Backed by Foresite Capital, OrbiMed, and TTM Capital, the company combines decades of drug discovery expertise with an agile approach to accelerate development of transformative immunology treatments.
Summary
Raythera is a Biotech company based in San Diego, United States, founded in 2023. It has raised $110.0M in total across 1 round, most recently a $110.0M Series A round in Apr 2025. Investors include Foresite Capital, OrbiMed and TTM Capital.
Tech & App Stack
2 technologies & apps tracked
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Funding & Exit History
Aug 2026
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Funding: Series A. Amounts, valuations, and investors where available.
Investors
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