What stage does Klein & Partners AG invest at?

Klein & Partners AG invests at the Growth, Late Stage stages.

What is Klein & Partners AG's typical check size?

Klein & Partners AG typically writes checks of $550K – $5.5M.

What sectors does Klein & Partners AG focus on?

Klein & Partners AG focuses on Biotech, Healthtech, Medical Devices, Sector Agnostic.

Where is Klein & Partners AG located?

Klein & Partners AG is headquartered in Zug, CH.

Klein & Partners AG

Family office

Zug · Growth–Late Stage · 2 people tracked

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Investment thesis

Klein & Partners AG invests its own capital directly into private market opportunities across equity and credit, favoring special situations where speed, discretion and entrepreneurial judgment matter. It supports entrepreneurs and owners with bridge loans, warehousing facilities, shareholder liquidity, secondary transactions, acquisition and growth financing. Rather than committing to funds or blind pools, it takes direct exposure to companies or specific assets through flexible structures spanning equity, shareholder loans and secured credit. Typical initial tickets run from EUR 0.5 million to EUR 5 million, with capacity for larger deals alongside trusted co-investors. The firm positions itself as a long-term, aligned partner contributing capital, transaction experience and network to create value and provide scarce liquidity.

Invests inBiotech Healthtech Medical DevicesSector AgnosticEurope Switzerland Zug

Source: firm website, verified Aug 3, 2026.

Stage

Growth–Late Stage

Check

$550K – $5.5M

Zug, CH

Instruments

Equity · Debt

Team · 2 people

from the firm's website

Daniel Klein

A hands-on direct investor and entrepreneur with over 15 years of experience across private equity, private credit, M&A, strategy and value creation. Co-founder of LUCID Partners, formerly a Single Family Office Managing Director and Bain & Company consultant; holds an INSEAD MBA and an LSE MSc.

Sarah Klein· Dr.

Brings over a decade of international leadership across healthcare, commercial strategy and business transformation, with senior roles at Bristol Myers Squibb and Johnson & Johnson. Focuses on company building and healthcare innovation; holds an MSc from Imperial College London and a Dr. sc. from ETH Zurich.

Frequently asked questions

What stage does Klein & Partners AG invest at?: Klein & Partners AG invests at the Growth, Late Stage stages.
What is Klein & Partners AG's typical check size?: Klein & Partners AG typically writes checks of $550K – $5.5M.
What sectors does Klein & Partners AG focus on?: Klein & Partners AG focuses on Biotech, Healthtech, Medical Devices, Sector Agnostic.
Where is Klein & Partners AG located?: Klein & Partners AG is headquartered in Zug, CH.

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