# Ray Therapeutics funding rounds and investors

As of 14 Oct 2026, Ray Therapeutics has raised $125M across 1 verified round on record; latest: $125 million Series B led by Janus Henderson Investors, announced 21 Apr 2026.

Optogenetic therapies designed to restore functional vision for people with degenerative retinal diseases.

Website: https://raytherapeutics.com  
Headquarters: Berkeley, California  
Page: https://fireround.dev/companies/raytherapeutics.com

## Verified rounds

| Announced | Round | Amount | Lead investors | Other investors | Sources |
| --- | --- | --- | --- | --- | --- |
| 2026-04-21 | Series B | $125 million | Janus Henderson Investors | 4BIO Capital, Adage Capital Management, Deerfield Management, Franklin Templeton, Invus, Marshall Wace, MRL Ventures Fund, Norwest, Novo Holdings A/S, Platanus Ventures | [businesswire.com](https://www.businesswire.com/news/home/20260421096801/en/Ray-Therapeutics-Announces-Upsized-and-Oversubscribed-%24125-Million-Series-B-Financing-for-Vision-Restoration-Treatments) |

Source: Fireround (https://fireround.dev), an open-source funding feed. Each round is checked against the pages listed with it.