France · 
Who invested in Lucis?
Lucis's investors include Y Combinator, General Catalyst, Singular, Kima Ventures and Rebel Fund, and 3 more on record. Singular led its latest round.
2026
$8.5MSeed$8.5MSeries A$20MSeries AFrance · Series A startup
Who invested in Lucis
3 rounds we have observed, with the 8 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.
Raised 5 months ago
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Funding summaryUpdated 5 Nov 2026
$37Mraised across 3 rounds since 2025, from 3 sources
$8.5MSeed$8.5MSeries A$20MSeries A
- Latest round
- Series A, $20MMay 2026
- Led by
- Singular
- Step-upi
- 2.4×
- Investors
- 8 (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
- Seed, $8.5M Dec 2025
- Biggest round
- $20M Series A · May 2026
- Between rounds
- 5 months from the last two
The rounds
- May 2026Series A$20M2 new3 returning
Reported by Ventureburn
- May 2026Series A$8.5M1 new4 returning
Source recorded
- Dec 2025
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.
Seed2025Series A2026Series A2026
Y Combinator
General Catalyst
SingularL
Kima Ventures
Rebel Fund
Motier VenturesCéline LazorthesManu Lecomte
Y CombinatorGeneral CatalystSingularLKima VenturesRebel FundMotier VenturesCéline LazorthesManu LecomteEveryone who backed them
Céline LazorthesVC firm1round
Manu LecomteVC firm1round
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
These 2 firms list Lucis 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 Lucis
How much has Lucis raised?
Lucis has raised $37M across 3 rounds since 2025.
When did Lucis last raise?
Lucis's most recent round was a Series A of $20M in May 2026, led by Singular.
What was Lucis's biggest round?
Its most recent round, $20M in May 2026, is also its largest on record.
Who backed Lucis first?
Lucis's first round on record, in Dec 2025, was backed by Y Combinator, General Catalyst and Kima Ventures and 2 others.
What stage is Lucis at?
Lucis's latest named round is a Series A, in May 2026.
Where is Lucis based?
Lucis is based in France.
Who led Lucis's rounds?
Singular led the Series A in 2026.
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