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Single Family OfficePuts its own capital into companiesLAST VERIFIED Oct 2026 · 4 SOURCES

M4 Capital

Family office of Prof. Dr. Reinhard Meier (Munich/Frankfurt) investing in venture capital, private equity and real estate, mainly health tech; its health tech VC activity runs through YZR Capital.

USEFUL FOR Fund managers raising capital · Founders · Business owners seeking a long-term partner · Co-investors

Family & background

FAMILY
Meier
HEADQUARTERS
Munich, Germany
OFFICES
Frankfurt am Main, Germany
FOUNDED
2015
OUTSIDE CAPITAL
No — own capital only

Investment approach

SECTORS
HealthTechBiotech & Life SciencesSoftware & SaaSMobility & LogisticsReal Estate & PropTech
GEOGRAPHY
Europe
STAGES
SeedSeries ASeries B
ROUTES
Companies (own capital) · Funds (as LP)
STRATEGIES
Venture capitalPrivate equityReal estateFunds (as LP)

Overview

M4Capital GmbH (HRB 49909, Amtsgericht Mainz) is a family office focused on venture capital, private equity and real estate, with a presence in Munich and Frankfurt am Main. Its managing director and founder is Prof. Dr. Reinhard Meier, a medical doctor, co-founder of TeleClinic and founder of the health tech VC firm YZR Capital, into which the office institutionalised its health tech venture investing. Its portfolio combines direct stakes (e.g. Avi Medical, Bloomwell, Finn, flair.hr) with commitments to VC funds such as 10x Founders, 4BIO Capital, Apollo Health Ventures and HV Capital, and some co-investments made as a partner of Soleria Capital.

Investment thesis

Backs companies that increase efficiency and transparency and make life easier and healthier, expecting digital start-ups to keep disrupting traditional businesses; invests in real estate projects that add social, environmental and aesthetic value under ESG criteria.

Holdings & investments (26)

INVESTMENT ARMS & VEHICLES

  • YZR Capital
    VC fund in which the family office institutionalised its health tech venture capital activities

HOLDINGS & INVESTMENTS · MOST RECENT FIRST

People

  • Prof. Dr. Reinhard Meier
    Founder and Managing Partner; Managing Director (Geschäftsführer) · source
  • Tom Solo
    Managing Partner · source

Frequently asked questions

M4 Capital is a single family office based in Munich, Germany, founded in 2015.

M4 Capital invests on behalf of the Meier family.

M4 Capital invests its own capital into companies and in third-party funds as an LP. Its stated asset mix includes venture capital, private equity, real estate and funds (as lp).

M4 Capital invests at Seed, Series A and Series B stages in HealthTech, Biotech & Life Sciences, Software & SaaS, Mobility & Logistics and Real Estate & PropTech.

Key people at M4 Capital include Prof. Dr. Reinhard Meier (Founder and Managing Partner; Managing Director (Geschäftsführer)) and Tom Solo (Managing Partner).

M4 Capital's holdings and investments include 10x Founders (Tech VC Fund I and II), 4BIO Capital, Alaiko, Aonic, Apollo Health Ventures, Avi Medical, Bloomwell and Cambrian Bio, among others.

No. M4 Capital invests its own capital and does not raise money from outside investors.