KEON
FranceWho owns KEON?
KEON is a French ClimateTech company, now owned by Marguerite and Idia, which acquired it in 2022 from Supernova Invest.
Hand-verified · updated 2026-09-30
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Key facts
- ·Held by Idia since 2022 (4Y hold).
- ·Average hold across 2 realized cycles: 4 years.
Ownership history
3 ownership periods · co-invest detected
Supernova Invest sold Keon Group to Marguerite in 2022 after 4 years.
Citizen Capital sold Keon to Marguerite II in 2022 after 3 years.
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SwitzerlandQuestions
Who owns KEON?
KEON is now owned by Marguerite and Idia, which acquired it in 2022 from Supernova Invest.
When did Marguerite and 1 other acquire KEON?
Marguerite and 1 other acquired KEON in 2022, buying from Supernova Invest.
Who did KEON sell to?
Supernova Invest sold KEON to Marguerite in 2022 (Secondary). Citizen Capital sold KEON to Marguerite II in 2022 (Trade Sale).
Who has owned KEON over time?
KEON has been through 3 private-equity ownership periods: Supernova Invest · via Supernova 2 · 2018–2022 · sold to Marguerite · (Secondary); Citizen Capital · via Citizen Capital Fund III · 2019–2022 · sold to Marguerite II · (Trade Sale); Idia · via Crédit Agricole Energie & Economie Bas Carbone I · since 2022.