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Rhein Investors
Rhein Investors operates from Basel as a multi-family office founded by Andreas Schwendeler. It supplies wealth management, investment advisory, and succession...
Rhein Investors
Rhein Investors operates from Basel as a multi-family office founded by Andreas Schwendeler. It supplies wealth management, investment advisory, and succession planning to families and entrepreneurs. Nicholas J. Arthur chairs the firm after Freigeist Asset Management AG completed its 100% acquisition in 2025. The firm allocates across private equity, alternative venture models, and public markets. It targets growth and late-stage opportunities in Digital Health, Healthcare Services, and Biotech. Geographic reach covers Europe, North America, and the Middle East & Central Asia. No specific portfolio holdings appear in public materials. The team includes Christiane Büchner as COO, Frank-Michael Junker as founding partner and senior advisor, and additional professionals handling portfolio accounting and client reporting. Freigeist Asset Management AG integration supplies the 2025 ownership change. Adjacent vehicles include several Basel foundations such as Marianne Gächter-Binggeli Stiftung.
General information
Firm type
Multi Family Office
Year founded
1998
AUM
Undisclosed
Location
Region
Europe
Country
Switzerland
City
Philadelphia
Corporate office
Birsstrasse 320, CH-4052 Basel, Switzerland
Principals
Andreas Schwendeler
CEO and Partner
Nicholas J. Arthur
Chairman
Christiane Büchner
COO and Verwaltungsrat member
Frank-Michael Junker
Founding Partner and Senior Berater
Nuot-Cla Giacometti
Verwaltungsrat member
Altss tracks 1 additional named team member for this firm — including direct investment leads, IR, and operating principals not listed on the public website.
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Frequently asked questions
Who runs investment decisions at Rhein Investors?
Andreas Schwendeler serves as CEO and Partner. Stefan Calefice heads the Investment Committee. Nicholas J. Arthur acts as Chairman.
Is Rhein Investors structured as a single family office or multi-family office?
It operates as a multi-family office serving multiple families and entrepreneurs. Freigeist Asset Management AG owns 100% of the entity since 2025.
Does Rhein Investors participate in fund commitments or only direct deals?
Public materials describe allocations through private equity and alternative VC models without specifying commitment sizes or named funds.
What investment stages does Rhein Investors typically target?
The firm focuses on growth and late-stage opportunities according to its internal records.
Where does the underlying wealth come from?
No public disclosure identifies the specific family or entrepreneurial sources of capital under management.
How is Rhein Investors related to Freigeist Asset Management AG?
Freigeist Asset Management AG acquired 100% ownership in 2025 and supplies the chairman and additional board members.
Profile maintained by Altss using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Read the methodology. Last updated: . Continuous refresh with full update cycles at least every 30 days.
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