SDK (Süddeutsche Krankenversicherung)
Also known as Süddeutsche Krankenversicherung a.G., SDK Süddeutsche Krankenversicherung AG, SDK-Gruppe, SDK Konzern
Mutual private health insurer in Fellbach; €8.7bn investments at end-2025, incl. €230.1M of infrastructure investments with €171.0M open commitments.
Private health insurer based in Fellbach (Baden-Württemberg). Not to be confused with SDK Süddeutsche Beteiligungsgesellschaft (its own subsidiary) or with unrelated companies using the SDK acronym.
- HEADQUARTERS
- Fellbach, Germany
- FOUNDED
- —
- AUM
- €8.7B (2025)
- OUTSIDE CAPITAL
- No — own capital only
- TEAM LISTED
- 7 people
Focus
- STAGES
- —
- SECTORS
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- ASSET MIX
- Real estate
- GEOGRAPHY
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Overview
SDK (Süddeutsche Krankenversicherung) is a private health insurer headquartered in Fellbach near Stuttgart, organised as a mutual (Versicherungsverein auf Gegenseitigkeit). Its group investments rose to €8,686.9M at end-2025. Real estate was added to its strategic asset allocation in 2018, and it made its first infrastructure investments in 2021; in 2025 it held infrastructure investments worth €230.1M with €171.0M of open commitments, and an 'SDK Alternatives' special fund worth €263.3M at market value. Since 1 July 2025 SDK and the Stuttgarter Versicherungsgruppe form a Gleichordnungskonzern and plan to combine into one company in 2026.
PORTFOLIO (2)
- SDK Alternatives (alternative-investments special fund; market value €263.3M at end-2025)
- Infrastructure investments (aggregate €230.1M, open commitments €171.0M; first investments 2021)since 2021
People
- Dr. Ulrich MitzlaffChair of the Vorstand · source
- Dr. Guido BaderDeputy Chair of the Vorstand · source
- Olaf EngemannMember of the Vorstand · source
- Jesko KannenbergMember of the Vorstand · source
- Michael KrebbersMember of the Vorstand · source
- Ralf OestereichMember of the Vorstand · source
- Prof. Dr. Urban BacherChair of the Aufsichtsrat · source
Links
Frequently asked questions
SDK (Süddeutsche Krankenversicherung) is a institutional investor based in Fellbach, Germany.
SDK (Süddeutsche Krankenversicherung) invests through funds, not directly. Capital origin: institutional capital. Stated strategies include real estate.
Key people at SDK (Süddeutsche Krankenversicherung) include Dr. Ulrich Mitzlaff (Chair of the Vorstand), Dr. Guido Bader (Deputy Chair of the Vorstand), Olaf Engemann (Member of the Vorstand) and Jesko Kannenberg (Member of the Vorstand).
SDK (Süddeutsche Krankenversicherung)'s disclosed investments (funds and companies) include SDK Alternatives (alternative-investments special fund; market value €263.3M at end-2025) and Infrastructure investments (aggregate €230.1M, open commitments €171.0M; first investments 2021).