Raythera
Innovating 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
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
Create a free account to track companies, build lists, and unlock premium data like the full tech & app stack.
Sign up to view funding chart
Create a free account to see funding visualizations and detailed round data.
Funding History
Apr 2025
Investors
Similar Companies
One of the world's largest contract research organizations (CROs), providing end-to-end clinical ...
Global contract development and manufacturing organization (CDMO) focused exclusively on sterile ...
Global contract research organization providing comprehensive drug development and laboratory ser...

Global fertility clinics platform
AI-first drug discovery company using AlphaFold-derived models to design therapeutics and acceler...
Biopharmaceutical services company