Spain · 
Who invested in ARTHEx Biotech?
ARTHEx Biotech's investors include Bpifrance, EIC Accelerator and U.S. Venture Partners.
Spain · Series B startup
Who invested in ARTHEx Biotech
Funding summaryUpdated 26 Oct 2026
$41Mraised across 1 round since 2025, from 1 source
- Latest round
- Series B, $41MSept 2025
- Investors
- 3
The rounds
- Sept 2025
Founders and team
From ARTHEx Biotech's own website: 4 on the team.
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
These 2 firms list ARTHEx Biotech as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.
Quick answers about ARTHEx Biotech
How much has ARTHEx Biotech raised?
ARTHEx Biotech has raised $41M across 1 round since 2025.
When did ARTHEx Biotech last raise?
ARTHEx Biotech's most recent round was a Series B of $41M in Sept 2025.
What was ARTHEx Biotech's biggest round?
Its most recent round, $41M in Sept 2025, is also its largest on record.
Who backed ARTHEx Biotech first?
ARTHEx Biotech's first round on record, in Sept 2025, was backed by Bpifrance, EIC Accelerator and U.S. Venture Partners.
What stage is ARTHEx Biotech at?
ARTHEx Biotech's latest named round is a Series B, in Sept 2025.
Where is ARTHEx Biotech based?
ARTHEx Biotech is based in Spain.
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