Airthium
FranceEntry
2023
Hold
3yr
Status
Active
Who owns Airthium?
Airthium is a French ClimateTech company, currently owned by Daphni since 2023 and Polytechnique Ventures.
Hand-verified · updated 2026-04-21
Open JSON · CC-BY
Most recent investor
Polytechnique VenturesPolytechnique Ventures Fund I · 2022 · VC
2 ownership periods · full history below
Key facts
Ownership history
2 ownership periods · co-invest detected
Active
Co-invest · 2 holders · 2023 · present
DaphniActive
2023 · present(3yr) · Daphni Yellow · 2020 · VC
Polytechnique VenturesActive
2023 · present(3yr) · Polytechnique Ventures Fund I · 2022 · VC
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UK
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SwitzerlandQuestions
Who owns Airthium?
Airthium is currently owned by Daphni and Polytechnique Ventures, through Polytechnique Ventures Fund I, since 2023.
When did Daphni and 1 other acquire Airthium?
Daphni and 1 other acquired Airthium in 2023.
Who has owned Airthium over time?
Airthium has been through 2 private-equity ownership periods: Daphni · via Daphni Yellow · since 2023; Polytechnique Ventures · via Polytechnique Ventures Fund I · since 2023.
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