France · 
Who invested in Bioptimus?
Bioptimus's investors include Cathay Innovation, Bpifrance, Hitachi Ventures, Headline and Sofinnova Partners, and 7 more on record. Cathay Innovation led its latest round.
20252026
$41MSeries A$76MSeed
France · Seed startup
Who invested in Bioptimus
2 rounds we have observed, with the 12 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.
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Funding summaryUpdated 5 Nov 2026
$117Mraised across 2 rounds since 2025, from 3 sources
$41MSeries A$76MSeed
- Latest round
- Seed, $76MJan 2025
- Led by
- Cathay Innovation
- Step-upi
- 1.9×
- Investors
- 12 (1 led)
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Series A, $41M Jan 2025
- Biggest round
- $76M Seed · Jan 2025
The rounds
- Jan 2025Seed$76M7 new3 returning
- Cathay InnovationLead
Bpifrance
Sofinnova Partners
Hitachi Ventures
Andera Partners
Thomas Wolf- Boom Capital Ventures
- Emmanuel Cassimatis
Pomifer Capital
Sunrise
Reported by Silicon Canals and 1 other
- Jan 2025Series A$41M5 new
Source recorded
Founders and team
From Bioptimus's own website: 2 founders, 2 on the team.
Charlie SaillardCo-founder | Principal Research Scientist
David CahanéCo-Founder | General Manager (GM)
- Mathilda StrömChief Operating Officer (COO)
- Philip Conti-PermanneDirector of Data Acquisition
Who was in which round
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Everyone who backed them
Cathay InnovationVC firm2rounds, led 1
Boom Capital VenturesVC firm1round
Emmanuel CassimatisAngel1round
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
These 2 firms list Bioptimus 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 Bioptimus
How much has Bioptimus raised?
Bioptimus has raised $117M across 2 rounds since 2025.
When did Bioptimus last raise?
Bioptimus's most recent round was a Seed of $76M in Jan 2025, led by Cathay Innovation.
What was Bioptimus's biggest round?
Its most recent round, $76M in Jan 2025, is also its largest on record.
Who backed Bioptimus first?
Bioptimus's first round on record, in Jan 2025, was backed by Bpifrance, Headline and Cathay Innovation and 2 others.
What stage is Bioptimus at?
Bioptimus's latest named round is a Seed, in Jan 2025.
Where is Bioptimus based?
Bioptimus is based in France.
Who led Bioptimus's rounds?
Cathay Innovation led the Seed in 2025.
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