France · 
Who invested in Zefir?
Zefir's investors include Sequoia Capital, Kima Ventures, FJ Labs and Heartcore Capital.
France · Series B startup
Who invested in Zefir
Funding summaryUpdated 26 Oct 2026
$18Mraised across 1 round since 2025, from 1 source
- Latest round
- Series B, $18MSept 2025
- Investors
- 4
The rounds
- Sept 2025
Everyone who backed them
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Also claim to have backed them
This firm lists Zefir as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.
Quick answers about Zefir
How much has Zefir raised?
Zefir has raised $18M across 1 round since 2025.
When did Zefir last raise?
Zefir's most recent round was a Series B of $18M in Sept 2025.
What was Zefir's biggest round?
Its most recent round, $18M in Sept 2025, is also its largest on record.
Who backed Zefir first?
Zefir's first round on record, in Sept 2025, was backed by Sequoia Capital, Kima Ventures and FJ Labs and 1 others.
What stage is Zefir at?
Zefir's latest named round is a Series B, in Sept 2025.
Where is Zefir based?
Zefir is based in France.
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