Ray Therapeutics

Vision, Reimagined.

Berkeley, United States · Founded 2021 · $241.0M raised

Employees
11–50
Founded
2021
Business Model
B2B
Total Funding
$241.0M
Last Round
$125.0M Series BApr 2026
Rounds
5

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

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Funding History

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Series BSeries BApr 2026
$125.0M

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Grant through Series B — per-round amounts, valuations, and who invested in each round.

Investors

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