Famous Family Offices: Who Manages the Money of the Richest Families
A family office is the private company that manages one family's money. Here are the offices behind some of the world's best-known fortunes: when they were set up, who runs them, how big they are and what they own. Every fact links to its source, and each page shows when we last checked it. More offices are being added.
| Family office | Family | Based in | Known for |
|---|---|---|---|
| Exor N.V. | Agnelli family | Amsterdam, Netherlands | Ferrari 19.5%, Philips 18.9%, CNH 26.9%, Stellantis 15.5% (economic rights, 30 June 2026); Lingotto |
| Mousse Partners | Alain and Gérard Wertheimer | New York, New York, United States | Rockefeller Capital Management recapitalisation (2025); interest in Rothschild & Co; decades-long stake in Media-Participations |
| Premji Invest | Azim Premji | Bengaluru, Karnataka, India | Early stake in NSE (2004); Fabindia, Trent, Myntra (2012 to 2014); Lenskart; Databricks and BigHat Biosciences (2026) |
| Agache | Bernard Arnault | Paris, France | Control of LVMH and Christian Dior SE; Aglaé Ventures tech fund |
| Cascade Investment | Bill Gates | Kirkland, Washington, United States | Stakes in AutoNation and FEMSA (2026) and Republic Services (2022); US farmland (Bloomberg, 2021) |
| Soros Fund Management | George Soros | New York, New York, United States | Managing money for the Soros family and the Open Society Foundations; returning outside capital in 2011 |
| Euclidean Capital | Jim Simons | New York, New York, United States | Investing the Simons family's money; biotechnology stakes such as PMV Pharmaceuticals |
| Lawrence Investments | Larry Ellison | Walnut Creek, California, United States | Private equity holdings for Ellison; contact for the Ellison trust's 2026 share purchase that helped fund Paramount's Warner Bros. Discovery deal |
| DFO Management (formerly MSD Capital) | Michael Dell | New York, New York, United States | Managing Michael Dell's wealth; Baldwin Group take-private (2026, about $7.7 billion) |
| Association Familiale Mulliez (AFM) | Mulliez family | France | Auchan, Decathlon, Leroy Merlin, Kiabi; Creadev investments such as Voltalia |
| The Olayan Group | Olayan family | Riyadh, Saudi Arabia | 550 Madison (New York), The Knightsbridge Estate (London), Olayan Saudi Holding Company, Asurion |
| Peugeot Invest | Peugeot family | Neuilly-sur-Seine, France | 7.7% of Stellantis via Peugeot 1810; minority stakes such as Novétude and BroadStreet Partners |
| Harald Quandt Family Office | Quandt family (Harald Quandt branch) | Bad Homburg v.d. Höhe, Germany | HQ Trust multi-family office; stakes in HQ Capital and CP Capital |
| Dalio Family Office | Ray Dalio | Westport, Connecticut, United States | Dalio family investments and Dalio Philanthropies; a large gold ETF position in its 13F (end-2025) |
| Duquesne Family Office | Stanley Druckenmiller | New York, New York, United States | Natera, Taiwan Semiconductor, STMicroelectronics, Insmed (13F, 30 June 2026) |
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