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The 20 largest family offices in the world

As family offices continued to grow steadily across the globe over the past decade, so did their investment strategies, leading them to become more successful over time. Here is a list of the 20 best-performing family office organisations, based on their assets under management.

Simple Team·October 3, 2022·Updated June 7, 2026· 9 min read
Strategy
Aerial view of Manhattan, NYC

Below is the latest ranking of the 20 largest family offices worldwide. Use the index below to navigate to each profile for full details, including assets under management (AUM) and headquarters location.

Top 20 Largest Family Offices (2026)

  1. Walton Enterprises
  2. DFO Management
  3. Bezos Expeditions
  4. Bayshore Global Management
  5. Cascade Investment
  6. Mousse Partners
  7. Ballmer Group
  8. Dubai Holding
  9. Waycrosse
  10. Fedesa
  11. The Woodbridge Company
  12. Pontegadea Inversiones
  13. Athos KG
  14. Soros Family Office
  15. Emerson Collective
  16. KIRKBI A/S
  17. Euclidean Capital
  18. Hartono Family Office
  19. Fingerboard Family Office
  20. Crosby Advisors

The table below provides the full ranking of the top 20 family offices, with their latest verified AUM figures for 2025/2026.

RankFamily OfficePrincipal(s)Estimated AUM (2026)Headquarters
1Walton EnterprisesThe Walton Family$225.0B+Bentonville, AR, US
2Cascade InvestmentBill Gates$170.0BKirkland, WA, US
3DFO ManagementMichael Dell$110.0B+New York, NY, US
4Bezos ExpeditionsJeff Bezos$107.8BMercer Island, WA, US
5Bayshore Global ManagementSergey Brin$100.0BPalo Alto, CA, US
6Mousse PartnersWertheimer Family$89.0BNew York, NY, US
7Ballmer GroupSteve Ballmer$85.0BBellevue, WA, US
8Dubai HoldingAl Maktoum Family$76.2BDubai, UAE
9WaycrosseCargill Family$65.0BWayzata, MN, US
10FedesaGiovanni Ferrero$55.0BMonaco
11The Woodbridge CompanyThomson Family$54.0BToronto, Canada
12Pontegadea InversionesAmancio Ortega$54.0BLa Coruña, Spain
13Athos KGStrüngmann Family$31.0BHolzkirchen, Germany
14Soros Family OfficeGeorge Soros$30.0BNew York, NY, US
15Emerson CollectiveLaurene Powell Jobs$28.0BPalo Alto, CA, US
16KIRKBI A/SKirk Kristiansen Family$25.5BBillund, Denmark
17Euclidean CapitalJames Simons Family$22.0BNew York, NY, US
18Hartono Family OfficeHartono Family$21.1BJakarta, Indonesia
19Fingerboard Family OfficeNewhouse Family$19.0BNew York, NY, US
20Crosby AdvisorsJohnson Family$17.0BSalem, NH, US

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Whether they are investing in private equity, real estate or engaging in philanthropy, these are the 20 largest family offices on the top of their game.

1.Walton Enterprises

AUM: $225B | HQ: Bentonville, Arkansas, USA

Located in Arkansas, Walton Enterprises is the primary single-family office for the descendants of Sam Walton, the founder of Walmart. It remains the world’s largest family office, managing the concentrated wealth of the family, which holds approximately 50% of Walmart’s outstanding shares. Its investment footprint spans retail, energy, financial services, and community development projects across the United States and select global markets.

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2.DFO Management (formerly MSD Capital)

AUM: $31B | HQ: New York City, USA

The single-family office of Michael Dell, who founded Dell Technologies in 1984, is one of the world’s largest computer technology companies. In 2024, the company was worth $31 billion. Based in New York City, it invests in private equity, credit, and public markets. DFO also oversees significant real estate holdings and hospitality assets, including luxury hotels under the Four Seasons brand.

3.Bezos Expeditions

AUM: $100B+ | HQ: Seattle, WA, USA

Bezos Expeditions is the single-family office and primary investment vehicle of Jeff Bezos, founder of Amazon. The family office manages over $100 billion in capital, fueled by the appreciation of Bezos’s remaining Amazon holdings and his diversified private interests. While Bezos has moved his personal residence to Miami, the firm’s main operational hub remains in Seattle. Its portfolio includes aerospace through Blue Origin, media via The Washington Post, and healthcare innovations.

4.Bayshore Global Management

AUM: $130 B+ | HQ: Palo Alto, California, USA

Bayshore Global Management is the single-family office of Sergey Brin, co-founder of Google (Alphabet). Since its founding in 2006, the firm has evolved into one of the world’s most powerful private investment vehicles, now managing an estimated $130 billion in family assets. This growth parallels the surge in Brin’s personal fortune, which reached $300 billion in 2026 as Alphabet’s market capitalisation surpassed $4 trillion following major AI breakthroughs.

5.Cascade Investment

AUM: $100B+ | HQ: Kirkland, Washington, USA

Cascade Investment, L.L.C., serves as the primary investment vehicle for Bill Gates and the Gates Foundation Trust. The family office manages a massive and diversified portfolio designed to generate superior long-term returns that fund Gates’s global philanthropic initiatives. Bill Gates’s personal net worth is estimated at $102.6 billion in 2026, as he continues his historic pledge to donate nearly all of his wealth.

6.Mousse Partners

AUM: $89B | HQ: New York City, USA

Mousse Partners is the sophisticated investment arm of the Wertheimer family, the sole owners of the luxury powerhouse Chanel. Established in 1979 with New York City as its headquarters, the firm manages approximately $89 billion in assets, primarily derived from the massive dividends generated by Chanel’s global operations. Alain and Gérard Wertheimer, who chair the fashion house, hold a combined net worth of nearly $79 billion ($39.4B each) in 2026.

7.Ballmer Group

AUM: $85B | HQ: Bellevue, Washington, USA

The Ballmer Group is the primary philanthropic and investment vehicle for Steve Ballmer, the former CEO of Microsoft, and his wife, Connie Ballmer. The office oversees approximately $85 billion in assets, though Steve Ballmer’s total personal net worth has surged to $132 billion. This massive wealth accumulation is primarily driven by his 4% ownership stake in Microsoft, which saw its valuation skyrocket in 2026 due to leadership in enterprise AI.

8.Dubai Holding

AUM: $76B | HQ: Dubai, UAE

Established in 2004, Dubai Holding is the global investment vehicle of HH Sheikh Mohammed bin Rashid Al Maktoum. As of 2026, the firm’s influence has grown significantly following the 2024 absorption of Nakheel and Meydan, two of the region’s largest real estate developers, which helped push the group’s assets to an estimated $76.2 billion. Aligned with the government’s vision, the firm invests in the UAE’s hospitality, real estate, and retail industries.

9.Waycrosse

AUM: $65B | HQ: Wayzata, Minnesota, USA

Waycrosse is the single-family office of the Cargill and MacMillan families, the descendants of William W. Cargill who founded the agribusiness giant Cargill Inc. in 1865. As of May 2026, the family office manages an estimated $65.2 billion in assets. The families collectively control approximately 88% of Cargill Inc., which reported record annual revenues of $134 billion in recent years, solidifying its place as one of the largest privately held corporations in the world.

10.Fedesa

AUM: $55B | HQ: Monaco

Fedesa SAM is the single-family office of Giovanni Ferrero. He is the executive chairman of the Ferrero Group and the heir to the Italian chocolate empire famous for Nutella, Tic Tac, and Ferrero Rocher. The family office manages nearly $55 billion in assets for the family. Giovanni Ferrero’s personal net worth reached $48.6 billion in May 2026, making him the richest individual in Italy. Headquartered in Monaco, Fedesa serves as a diversified investment vehicle that complements the core Ferrero confectionery business.

11.The Woodbridge Company

AUM: $54B | HQ: Toronto, Ontario, Canada

The Woodbridge Company is the primary investment vehicle and single-family office for the Thomson family, Canada’s wealthiest dynasty. The family office manages approximately $54 billion in assets, primarily anchored by its massive controlling stake in Thomson Reuters. David Thomson, the 3rd Baron Thomson of Fleet and chairman of the firm, oversees the family’s collective wealth, with his personal net worth estimated at $32 billion as of early 2026.

Pontegadea Inversiones

AUM: $54B+ | HQ: La Coruña, Spain

Pontegadea Inversiones is the single-family office of Amancio Ortega, the founder of the fashion giant Inditex (Zara). As of May 2026, Ortega’s personal net worth is estimated at $135.6 billion, making him the wealthiest person in Spain and among the 10 richest people globally. While the family office manages a broad financial portfolio, its defining feature is a property empire now valued at approximately $25 billion.

13.Athos KG

AUM: $31B | HQ: Holzkirchen, Germany

Athos KG is the single-family office of the Strüngmann brothers, Thomas and Andreas, who rose to prominence after founding the generic pharmaceutical giant Hexal. As of May 2026, the office manages over $31 billion in assets, anchored by its legendary early-stage investment in BioNTech. Their initial $180 million backing of the company ultimately yielded a multi-billion dollar windfall following the global success of the Pfizer-BioNTech COVID-19 vaccine.

14.Soros Family Office

AUM: $30B | HQ: New York City, USA

Previously structured as a hedge fund, the Soros family office was founded in 1970 and is the single-family office of George Soros. It is headquartered in New York City, USA and is the primary advisor for the Quantum Group of Funds, a group of privately owned hedge funds based out of London. It manages over $30 billion in assets. In addition to public market investments, the office is active in philanthropy through the Open Society Foundations and has made strategic bets in currency markets, private equity, and emerging economies.

15.Emerson Collective

AUM: $28B | HQ: Palo Alto, California, USA

Emerson Collective is the unique family office of Laurene Powell Jobs, the wife of the late Steve Jobs. Managing $28 billion in assets as of 2026, it is structured as a for-profit Limited Liability Company (LLC), allowing it greater flexibility in its philanthropic and political activities than a traditional private foundation. The collective is dedicated to driving social change through a mix of impact investing and philanthropy, specifically focusing on education, immigration reform, environmental conservation, and media.

16.KIRKBI

AUM: $25.5B | HQ: Billund, Denmark

KIRKBI A/S is the private holding and investment company for the Kirk Kristiansen family, the owners of the LEGO brand. As of 2026, the office manages over $25.5 billion (DKK 189 billion total assets). Its mission is to provide a sustainable financial foundation for the family’s ownership of the LEGO brand for future generations. The office’s investment strategy is heavily weighted toward long-term equity, real estate, and renewable energy.

17.Euclidean Capital

AUM: $22B | HQ: New York City, USA

Euclidean Capital is a single-family office of hedge fund billionaire Dr James Simon, who is also the founder of Renaissance Technologies. Located in New York, USA, the firm provides financial guidance and asset management services. Simon passed away on May 10, 2024. At the time of his passing, his net worth was estimated at $22 billion. The office is known for its philanthropic focus on education, scientific research, and mathematics initiatives.

18.Hartono Family Office

AUM: $21.1B | HQ: Jakarta, Indonesia

The Hartono family office is the single-family office of Michael Hartono, an Indonesian billionaire heir and the co-owner of Kretek manufacturer Djarum. Its assets are diversified across banking (notably a major stake in Bank Central Asia), telecommunications, and real estate, making it one of Southeast Asia’s most influential private investment groups. Following the passing of Michael Hartono in early 2026, the office has shifted its focus toward a major intergenerational transition, ensuring the smooth transfer of assets to the next generation of leadership.

Fingerboard Family Office

AUM: $19B | HQ: New York City, USA

The Fingerboard Family Office manages the wealth of Sam Newhouse and his family, who inherited a publishing empire founded in 1922, called Advance Publications. Today, Advance’s holdings include Condé Nast Publications, which publishes Vogue, The New Yorker, Vanity Fair and newspapers in 24 U.S. cities. The office also invests in tech ventures as well as real estate.

Crosby Advisors

AUM: $17B | HQ: Salem, New Hampshire, USA

Crosby Advisors is the family office responsible for overseeing the financial assets of the Johnson family, which operates Fidelity Investments. Managing approximately $17 billion in family assets, the office provides bespoke wealth management for Abigail Johnson, the CEO of Fidelity, and her siblings. Abigail Johnson’s personal net worth is estimated at $47.3 billion as of May 2026.

How the Top 20 Family Offices are Influencing the 2026 Economy

The world’s top 20 family offices have evolved into elite global power players. Combined, they command a staggering pool of private capital that now rivals Wall Street’s largest firms. This year, we are witnessing a shift from quiet wealth preservation to a more direct and aggressive approach to growth.

The most striking example is the dramatic reshuffling of the 2026 rankings. Tech-centric firms like DFO Management (Michael Dell) and Bayshore Global (Sergey Brin) have rocketed to the top. The two firms owe their growth to the explosive valuations of the AI and semiconductor sectors.

Slowly but surely, the top 20 family offices are becoming the leading architects of global megatrends. From massive bets on renewable energy infrastructure to pioneering biotech breakthroughs, they are using their “patient capital” to their advantage. Bypassing institutional funds to lead direct buyouts, they are showing how generational wealth can, and will, shape a sustainable global future.

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