Groupe Upperside

Upside Equity GmbH, based in Munich, Germany, is an investment firm specializing in alternative participations. It focuses on minority and majority stakes in profitable small and medium-sized enterprises, particularly growth and expansion financing, spin-offs, and buy & build situations involving entrepreneurial families and family offices.

Otium Capital is a Paris-based long-term investment holding company and single-family office, founded in 2009 by Pierre-Edouard Stérin. The firm manages €1.5 billion in assets across more than 100 investments. Otium Capital focuses on investing alongside entrepreneurs to foster future industry leaders, guided by values such as People First, Free Thinking, Ambition, and Goodwill. It operates without holding period constraints and pursues a diversified investment strategy across sectors like technology, healthcare, and real estate. In 2023, Otium invested €190 million and aims to reach €5 billion in net assets by 2030. The company supports startups at all stages, providing funding from seed to growth capital, and has achieved an annual internal rate of return of 25% since 2015. Its portfolio includes notable companies such as Smartbox, PayFit, and Owkin, reflecting its commitment to long-term support for innovative ventures. Otium Capital also engages with the community through philanthropic efforts, supporting social entrepreneurs via the Fonds du Bien Commun.

Family Partners is a Paris-based independent multi-family office founded in 2011, managing around $1 billion in assets for nearly 50 families, primarily entrepreneurs with a focus on technology sectors, private equity, and private debt investments, with plans for regional and international expansion.

Altur Investissement, based in Paris, is a single-family office founded in 2006 by Francois Lombard. It invests in unlisted, high-growth companies across sectors including health, outsourced services, distribution, and hospitality, leveraging a platform model for strategic support.

Upwind Holding GmbH, a family-owned investment firm based in Singen and Berlin, Germany, focuses on long-term investments in healthcare, sports, and real estate, including office buildings and social services residential facilities. Founded in the 1930s, it balances growth with responsible investment strategies.