Ionisos
Entry
2016
Hold
3yr
Exit
2019
Who owns Ionisos?
Ionisos is a French MedTech company, now owned by 3i Infrastructure, which acquired it in 2019 from Ardian.
Hand-verified · updated 2026-09-30
Open JSON · CC-BY
Most recent investor
ArdianArdian Expansion Fund IV · 2016 · Growth
2 ownership periods · full history below
Key facts
Ownership history
1 ownership period · 1 lender on file
Exited
Last exited in 2019 to 3i Infrastructure.
ArdianExited 2019
2016 · 2019(3yr) · Ardian Expansion Fund IV · 2016 · Growth
Secondary · to 3i Infrastructure
Ardian sold Ionisos to 3i Infrastructure in 2019 after 3 years.
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USQuestions
Who owns Ionisos?
Ionisos is now owned by 3i Infrastructure, which acquired it in 2019 from Ardian.
When did 3i Infrastructure acquire Ionisos?
3i Infrastructure acquired Ionisos in 2019, buying from Ardian.
Who did Ionisos sell to?
Ardian sold Ionisos to 3i Infrastructure in 2019 (Secondary).
Who has owned Ionisos over time?
Ionisos has been through 2 private-equity ownership periods: Andera Partners · via Acto Mezzanine I · 2007–2014 · (Trade Sale); Ardian · via Ardian Expansion Fund IV · 2016–2019 · sold to 3i Infrastructure · (Secondary).
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