Ray Therapeutics
Vision, Reimagined.
Berkeley, United States · Founded 2021 · $241.0M raised
- Headquarters
- Berkeley, California
- Employees
- 11–50
- Founded
- 2021
- Business Model
- B2B
- Website
- raytherapeutics.com
- Total Funding
- $241.0M
- Last Round
- $125.0M Series BApr 2026
- Rounds
- 5
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
About
Ray Therapeutics is a clinical-stage biopharmaceutical company developing optogenetic gene therapies for patients with blinding diseases including retinitis pigmentosa, Stargardt's disease, and geographic atrophy. Its lead program RTx-015 received FDA Regenerative Medicine Advanced Therapy (RMAT) designation in 2026. The company's technology reprograms surviving retinal neurons to restore vision independent of genetic mutation.
Summary
Ray Therapeutics is a Biotech company based in Berkeley, United States, founded in 2021. It has raised $241.0M in total across 5 rounds, most recently a $125.0M Series B round in Apr 2026. Investors include California Institute for Regenerative Medicine (CIRM), Novo Holdings A/S and Deerfield Management.
Tech & App Stack
3 technologies & apps tracked
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Funding History
Apr 2026
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Funding: Grant through Series B. Amounts, valuations, and investors where available.
Investors
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