W5 Group
Ralph Winter's Single Family Office · Zug, Switzerland
$5B estimated AUM
AUM figures are estimates compiled from public sources. How we source our data.
About W5 Group
W5 Group is the single family office of global real estate entrepreneur Ralph Winter, established in 2009 in Zug, Switzerland, to invest the Winter family's capital across real estate, private equity and venture capital. Assets are estimated by a third party at around $5 billion. Its real-estate strategy focuses on innovative residential — multifamily, student housing, single-family rental, co-living and micro apartments — across Europe and the US, with cumulative capitalization reportedly exceeding US$55bn and more than 55,000 beds. In 2024, Ralph Winter established W5 Group LLC as an investment vehicle to co-invest family capital alongside like-minded UHNW families, family offices and institutions, while the Winter family office remains the core.
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Frequently Asked Questions
What is W5 Group?
W5 Group is a single family office associated with Ralph Winter, based in Zug, Switzerland.
Where is W5 Group located?
W5 Group is based in Zug, Switzerland.
How much does W5 Group manage?
W5 Group is estimated to oversee approximately $5B in assets. As a private family office it files no public AUM disclosures, so figures are third-party estimates compiled from public sources.