Sirona
Who owns Sirona?
Sirona is a MedTech company based in Benelux, now owned by Madison Dearborn Partners and Sirona management, Ventech and 1 other, which acquired it in 2005 from EQT.
Hand-verified · updated 2026-09-30
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Ownership history
3 ownership periods · co-invest detected
EQT sold Sirona to Madison Dearborn Partners and Sirona management in 2005 after 2 years.
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USQuestions
Who owns Sirona?
Sirona is now owned by Madison Dearborn Partners and Sirona management, Ventech and 1 other, which acquired it in 2005 from EQT.
When did Madison Dearborn Partners and Sirona management and 2 others acquire Sirona?
Madison Dearborn Partners and Sirona management and 2 others acquired Sirona in 2005, buying from EQT.
Who did Sirona sell to?
EQT sold Sirona to Madison Dearborn Partners and Sirona management in 2005 (Secondary).
Who has owned Sirona over time?
Sirona has been through 3 private-equity ownership periods: EQT · via EQT III · 2003–2005 · sold to Madison Dearborn Partners and Sirona management · (Secondary); Ventech · via AFI Ventures · since 2023; XAnge · via XAnge 04 · since 2023.