United States · 
Who invested in RayThera?
RayThera's investors include OrbiMed and Foresite Capital.
United States · Series A startup
Who invested in RayThera
Funding summaryUpdated 26 Oct 2026
$110Mraised across 1 round since 2025, from 1 source
- Latest round
- Series A, $110MApr 2025
- Investors
- 2
The rounds
- Apr 2025
Everyone who backed them
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Quick answers about RayThera
How much has RayThera raised?
RayThera has raised $110M across 1 round since 2025.
When did RayThera last raise?
RayThera's most recent round was a Series A of $110M in Apr 2025.
What was RayThera's biggest round?
Its most recent round, $110M in Apr 2025, is also its largest on record.
Who backed RayThera first?
RayThera's first round on record, in Apr 2025, was backed by OrbiMed and Foresite Capital.
What stage is RayThera at?
RayThera's latest named round is a Series A, in Apr 2025.
Where is RayThera based?
RayThera is based in the United States.
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