Who invested in Cosmian

2 rounds we have observed, with the 7 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.

Big Data & AnalyticsWeb3 & Crypto

Funding summaryUpdated 26 Oct 2026

$6.0Mraised across 2 rounds since 2019, from 2 sources

$1.6MSeed$4.4MVenture

Latest round: Venture, $4.4MJun 2022
Step-upi: 2.8×
Investors: 7 (1 led)

See who backed them

The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

202020212022

$1.6MSeed$4.4MVenture

First round: Seed, $1.6M
Biggest round: $4.4M
Between rounds: 3.2 years

The rounds

Jun 2022
Venture$4.4M1 returning
- Elaia
Source recorded
Mar 2019
Seed$1.6M7 new
- ElaiaLead
- Acequia Capital
- Guillaume Amblard
- Financière de Blacailloux
- Florian Douetteau
- Julien Lemoine
- Marc Jalabert
Also list them on their own site115K
Reported by Cosmian

Founders and team

From Cosmian's own website: 4 on the team.

Antoine GrenierHead of Cybersecurity Products
Bernard PayerHead of Mission-Critical Systems
Boghos BoghossianHead of Vision AI
Dell TechnologiesBecome a partner

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.

Seed2019Venture2022

ElaiaL

Acequia CapitalGuillaume AmblardFinancière de BlacaillouxFlorian DouetteauJulien LemoineMarc Jalabert

Everyone who backed them

ElaiaVC firm2rounds, led 1

Acequia CapitalVC firm1round

Guillaume AmblardAngel1round

Financière de Blacaillouxno record of our own yet1round

Florian Douetteauno record of our own yet1round

Julien Lemoineno record of our own yet1round

Marc Jalabertno record of our own yet1round

Missing a round, or an investor who was in one? Tell us.

Also claim to have backed them

This firm lists Cosmian 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.