Top 10 Largest Family Office in the World in 2026
Which is the largest family office in the world in 2026? How much wealth are managed in the family office? Who founded the family office? Bill Gates, Mark Zuckerberg, Elon Musk, Jack Ma, Li Ka-shing or Masayoshi Son? Do the wealthiest billionaires have the largest family offices? Which are the 10 largest family offices in 2026?
2026 Data:
- Top 10 Largest Family Office in the World in 2026
- List of International Private Banks in Hong Kong in 2026
- List of Boutique Private Banks in Hong Kong in 2026
- List of Regional Private Banks in Hong Kong in 2026
- List of International Private Banks in Singapore in 2026
- List of Boutique Private Banks in Singapore in 2026
- List of Regional Private Banks in Singapore in 2026
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- What is a Private Bank?
- What is Private Banking?
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- How do you become a Private Banker?
- Why 50% of Private Bankers quit in 21 months?
- 12 Reasons why most clients do not give Private Banker AUM within 6 months
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2025 / 2026 Latest Family Office Reports:
- UBS Global Family Office Report 2026
- JP Morgan Private Bank Global Family Office Report 2026
- JP Morgan 23 Wall Principal Discussions Report 2025
- Citi Global Family Office Report 2025
- Goldman Sachs Family Office Investment Insights Report 2025
- BlackRock Global Family Office Report 2025
- Hong Kong Family Office Ecosystem Report 2026
- Deloitte Family Office Landscape in Hong Kong Market Study 2026
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See below for the top 10 largest family office in the world in 2026.
2026 Top 10 Largest Family Office in the World
1. Excession LLC – $1.25 Trillion
Excession LLC is the family office of Elon Musk (Age 55), CEO of Tesla & founder of SpaceX, managed by ex-Morgan Stanley Jared Birchall. Excession LLC manages more than $1.25 trillion of family assets. Elon Musk has an estimated personal fortune of more than $1.25 trillion (2026), with >42% stake in SpaceX & >20% stake in Tesla. Elon Musk founded SpaceX, The Boring Company (Tunnel), xAI (Artificial Intelligence), Neuralink (Brain Implant), acquired Solar City & social media platform X (formerly known as Twitter). Elon Musk made his first fortune of $178 million in 2002, after eBay acquired PayPal for $1.5 billion (Elon Musk is largest single PayPal shareholder with 11.72% shareholding). In 2012, Elon Musk signed the “Giving Pledge”, where billionaires pledge to give majority of their wealth to philanthropy or charitable causes during their lifetimes or in their wills. Elon Musk has a philanthropic foundation – Musk Foundation (Setup with his brother Kimbal Musk in 2001)
Elon Musk is CEO of Tesla, founder of SpaceX, The Boring Company (Tunnel), xAI (Artificial Intelligence), Neuralink (Brain Implant). SpaceX has a market capitalization of $2.1 trillion (6/7/26). Tesla has a market capitalization of $1.2 trillion (6/7/26).
- Founder: Elon Musk
- Family Office: Excession LLC (2016)
- Family Office Assets: > $1.2 trillion
- Location: United States
- Best known for: Tesla, SpaceX, The Boring Company, xAI, Neuralink, Solar City, X (formerly known as Twitter), PayPal, Musk Foundation
- Websites: Tesla, SpaceX, Excession LLC, Musk Foundation
2. Walton Enterprises – $525 Billion
Walton Enterprises is the family office of the Walton Family, founded by the late Sam Walton who founded Walmart. The family office serves the personal, philanthropic and business needs of the descendants of Sam & Helen Walton (wife). Walton Enterprises manages more than $525 billion of family assets. Sam Walton’s children Robson Walton, Jim Walton, Alice Walton & the late John Walton (Wife ~ Christy Walton, Son ~ Lukas Walton) inherited the family wealth. Sam Walton’s children are one of the wealthiest billionaires in the world with more than $130 billion personal fortune each. Walton Family has a philanthropic foundation – Walton Family Foundation.
Sam Walton (1918 – 1992) is the founder of Walmart (1962), which operates the largest chain of hypermarkets in United States and the world. Walmart has a market capitalization of $890 billion (7/6/25).
- Founders: The late Sam & Helen Walton
- Key members: Robson Walton, Jim Walton, Alice Walton & the late John Walton family (Children of Sam Walton)
- Family Office: Walton Enterprises (1983)
- Family Office Assets: > $525 billion
- Location: United States
- Best known for: Walmart, Hypermarkets, Walton Family Foundation
- Websites: Walton Family Foundation, Walmart
3. Koop – $310 Billion
Koop is the family office of Larry Page (Age 53), co-founder of Google (Alphabet), managed by Koop CEO Wayne Osborne since 2012. Koop manages more than $310 billion of family assets. Larry Page has an estimated fortune of $310 billion. In 2019, Larry Page stepped down as CEO of Alphabet (Parent of Google). Larry Page wife is Lucinda Southworth. They have have 2 children. Larry Page has a philanthropic foundation – Carl Victor Page Memorial Foundation (Setup in 2004 with his wife Lucinda Southworth in honour of Larry Page father Carl Victor Page)
Larry Page is the co-founder of Google (1998), which created the world’s leading search engine and is one of the world’s largest technology company. Alphabet has a market capitalization of $4.4 trillion (6/7/26).
- Founder: Larry Page
- Family Office: Koop (2012)
- Family Office Assets: > $290 billion
- Location: United States
- Best known for: Google, Search Engine, Alphabet, Carl Victor Page Memorial Foundation
- Websites: Google, Alphabet
4. Bayshore Global Management – $290 Billion
Bayshore Global Management is the family office of Sergey Brin (Age 52), co-founder of Google (Alphabet), managed by George Pavlov. Bayshore Global Management manages more than $290 billion of family assets. Sergey Brin has an estimated fortune of $290 billion. In 2019, Sergey Brin stepped down as President of Alphabet (Parent of Google). Sergey Brin first wife is Anne Wokcicki (2 children) and 2nd wife is Nichole Shanahan (1 child), and is divorced for both marriage.
Sergey Brin is the co-founder of Google (1998), which created the world’s leading search engine and is one of the world’s largest technology company. Alphabet has a market capitalization of $4.4 trillion (6/7/26).
- Founder: Sergey Brin
- Family Office: Bayshore Global Management (2006)
- Family Office Assets: > $290 billion
- Location: United States
- Best known for: Google, Search Engine, Alphabet
- Websites: Google, Alphabet
5. Bezos Expeditions – $260 Billion
Bezos Expeditions is the family office of Jeff Bezos (Age 62), founder of Amazon, managed by Melinda Lewison (Managing Director) & Stephen Campbell (Chief Investment Officer). Bezos Expeditions manages more than $260 billion of family assets. Jeff Bezos has an estimated personal fortune of more than $260 billion. Jeff Bezos has > 8% stake in Amazon. Jeff Bezos stepped down in 2021 as CEO of Amazon and was appointed as Executive Chairman of Amazon. In 2019, Jeff Bezos & MacKenzie Scott (wife) announced their divorce, with Jeff Bezos providing $38 billion in divorce settlement (Including transferring 25% of his Amazon shares equivalent to 4% of Amazon shareholding). In 2025, Jeff Bezos married Lauren Sánchez. Jeff Bezos has 4 children (Include 1 adopted) with MacKenzie Scott, and 3 stepchildren (From Lauren Sánchez previous 2 marriages). Jeff Bezos is active in investing, including investing in Washington Post, Airbnb, Business Insider, Twitter & Uber. Jeff Bezos founded aerospace company Blue Origin in 2000 & AI startup Prometheus in 2025. In 2018, Jeff Bezos & MacKenzie Bezos founded Bezos Day One Fund ($2 billion non-profit to help families). Jeff Bezos supports the Bezos Family Foundation co-founded by his mother (Jackie Bezos) and adoptive father (Miguel “Mike” Bezos). In 2020, Jeff Bezos created Bezos Earth Fund with a commitment of $10 billion to be disbursed as grants to address climate and nature within the current decade.
Jeff Bezos is the founder of Amazon (1994), which operates the largest internet e-commerce and cloud services in the world. Amazon has a market capitalization of $2.6 trillion (6/7/26).
- Founder: Jeff Bezos
- Family Office: Bezos Expeditions (2005)
- Family Office Assets: > $260 billion
- Location: United States
- Best known for: Amazon, Cloud Services, Blue Origin, Washington Post, Prometheus
- Websites: Bezos Expeditions, Amazon Group, Amazon, Blue Origin, Bezos Earth Fund
6. DFO Management (Previously MSD Capital) – $210 Billion
DFO Management (Dell Family Office Management, Previously MSD Capital) is the family office of Michael Dell (Age 61), founder of Dell Technologies, managed by ex-Goldman Sachs Co-Head of Investment Banking Gregg Lemkau (Chairman), Marc Lisker (President) & Alisa Mall (Chief Investment Officer). DFO Management manages more than $210 billion of family assets. Michael Dell has an estimated fortune of $210 billion. Michael Dell has >50% stake in Dell Technologies. Michael Dell had owned around 40% in VMware, which was sold to Broadcom for $69 billion and received $21.65 billion (50% in cash, 50% in shares, 22/11/23). Michael Dell wife is Susan Lieberman, and has 4 children. Michael Dell and his wife have a philanthropic foundation – the Michael & Susan Dell Foundation. In 2025 December, Michael Dell & his wife Susan pledged to donate $6.25 billion to 25 million United States children ($250 each) for individual investment accounts (Initiative known as Trump Accounts), which will be invested into low-cost index fund. The funds in Trump Accounts will become available at age 18 for education, job training, first home or business.
Michael Dell is the founder of Dell Technologies (1984), which is one of the world’s largest computer technology company. Dell Technologies has a market capitalization of $255 billion (6/7/26)
- Founder: Michael Dell
- Family Office: DFO Management (Restructured in 2022, Previously known as MSD Capital, 1998)
- Family Office Assets: > $210 billion
- Location: United States
- Best known for: Dell, Personal Computer, Michael & Susan Dell Foundation
- Websites: Dell, MSD Capital, Michael and Susan Dell Foundation
7. Lawrence Investments – $200 Billion
Lawrence Investments is the family office of Larry Ellison (Age 81), co-founder of Oracle (1977, Officially Oracle Systems Corporation in 1983), managed by Paul Marinelli (President). Lawrence Investments manages more than $200 billion of family assets including the Ellison Trust (Lawrence J. Ellison Revocable Trust U/D/D 12/8/95), and holding vehicles including Mollusk Holdings, Cephalopod, Larry Ellison Foundation & Ellison Medical Foundation. Larry Ellison is the sole beneficiary and a co-trustee of the Ellison Trust, with Philip B. Simon as co-trustee of the Ellison Trust. The Ellison Trust was formed to hold the assets & estate of Larry Ellison. Larry Ellison has an estimated fortune of $200 billion. Larry Ellison has around 40% stake in Oracle. Larry Ellison had ownd around 1.4% ($17 billion) of Tesla with market capitalization of $1.2 trillion (6/7/26), and invested $1 billion (via Lawrence J. Ellison Revocable Trust U/D/D 12/8/95) in 2022 to fund Elon Musk $44 billion acquisition of Twitter (X). Larry Ellison wife is Jolin Zhu, was divorced 5 times (Adda Quinn, Nancy Wheeler Jenkins, Barbara Boothe, Melanie Craft, Nikita Kahn) and has 2 children (David Ellison & Megan Ellison) with Barbara Boothe. Larry Ellison had signed the “Giving Pledge”, where billionaires pledge to give majority of their wealth to philanthropy or charitable causes during their lifetimes or in their wills.
” Many years ago, I put virtually all of my assets into a trust with the intent of giving away at least 95% of my wealth to charitable causes. I have already given hundreds of millions of dollars to medical research and education, and I will give billions more over time. Until now, I have done this giving quietly — because I have long believed that charitable giving is a personal and private matter. So why am I going public now? Warren Buffett personally asked me to write this letter because he said I would be “setting an example” and “influencing others” to give. I hope he’s right.” ~ Larry Ellison
Larry Ellison is the co-founder of Oracle (1977), which is one of the world’s largest software company. Oracle has a market capitalization of $404 billion (6/7/26),
- Founder: Larry Ellison
- Family Office: Lawrence Investments (Ellison Trust ~ Lawrence J. Ellison Revocable Trust U/D/D 12/8/95), Mollusk Holdings, Cephalopod, Ellison Foundation
- Family Office Assets: > $200 billion
- Location: United States
- Best known for: Oracle, Sun Microsystems, Netsuite, Giving Pledge, Oracle Team USA (Yachting), Ellison Medical Foundation
- Websites: Oracle, Oracle Team USA, Larry Elllison Foundation, Ellison Medical Foundation
8. Agache (Groupe Arnault) – $170 billion
Agache (Financière Agache, formerly known as Groupe Arnault) is the family office of Bernard Arnault (Age 77) & family, Chairman & founder of LVMH, managed by Florian Ollivier (Chairman & CEO) & 2nd son Frederic Arnault (Managing Director). Agache manages more than $170 billion of family assets. Bernard Arnault has an estimated fortune of $170 billion. Bernard Arnault founded LVMH in 1987 through the merger of Louis Vuitton & Moet Hennessy. In 1984, Bernard Arnault acquired Christian Dior for 1 franc. LVMH has a market capitalization of $282 billion (6/7/26), with Arnault family owning 6.735% & Christian Dior owning 41.52%. Christian Dior has a market capitalization of $94 billion (6/7/26), with Arnault family owning 97.5%. Bernard Arnault family key holding vehicles include Financière Agache, Pilinvest (Pilinvest Participations and Pilinvest Investissements), and Protectinvest (Trust in the form of foundation to lock up shares for his children). Bernard Arnault first wife is Anne Dewavrin (Divorced 1990) and 2nd wife is Helene Mercier. Bernard Arnault has 5 children – Antoine Arnault (eldest son) and Delphine Arnault (oldest child & daughter) with first wife Anne Dewavrin. Alexander Arnault, Frederic Arnault & Jean Arnault with 2nd wife Helene Mercier.
Financière Agache – Financière Agache is a holding company controlled by the Agache company. The Financière Agache group carries out most of its business activities in the luxury goods sector via its controlling shareholdings in Christian Dior and LVMH. The Financière Agache group also holds a portfolio of diversified financial investments.
Bernard Arnault is the co-founder of LVMH (1987), which is the largest luxury group in the world. LVMH manages leading luxury brands including Louis Vuitton, Moey Hennessy, Tiffany & Co, Christian Dior, Fendi, Givenchy, Loewe, Kenzo, Celine, Bulgari, TAG Heuer & Sephora. LVMH has a market capitalization of $282 billion (6/7/26), with Arnault family owning 6.735% & Christian Dior owning 41.52%. Christian Dior has a market capitalization of $94 billion (6/7/26), with Arnault family owning 97.5%.
- Founder: Bernard Arnault
- Family Office: Agache (formerly known as Groupe Arnault, 1978)
- Family Office Assets: > $170 billion
- Location: United States
- Best known for: LVMH, Louis Vuitton, Moey Hennessy, Christian Dior
- Websites: LVMH, Financière Agache
9. Ballmer Enterprises – $140 billion
Ballmer Enterprises is the family office of Steve Ballmer (Age 70, ex-Microsoft CEO) & wife Connie Ballmer, managed by Brandt Vaughan (CEO & CIO for Ballmer Enterprises & Ballmer Group). Ballmer Enterprises manages more than $140 billion of family assets. Steve Baller & wife Connie Ballmer family has an estimated fortune of $140 billion. Steve Ballmer is also the Chairman & owner of NBA basketball team Los Angeles Clippers, with shareholding held under Halo Sports & Entertainment and supported by Ballmer Enterprises. Steve Ballmer & wife Connie Ballmer have 3 children (Sam, Peter & Aaron). The Ballmer family also operates social & philanthropic groups – Ballmer Group Philanthropy, Rainier Climate Group & USAFacts.
Steve Ballmer was the the CEO of Microsoft (2000 to 2014), which is the largest personal computer & software company in the world. Microsoft has a market capitalization of $2.9 trillion (6/7/26).
- Founder: Steve Ballmer & Connie Ballmer
- Family Office: Ballmer Enterprises (2015)
- Family Office Assets: > $140 billion
- Location: United States
- Best known for: Microsoft, Ballmer Group Philanthropy, LA Clippers
- Websites: Microsoft, Ballmer Group Philanthropy, LA Clippers
10. Pontegadea Investments – $140 billion
Pontegadea Investments is the family office of Amancio Ortega Gaona (Age 90), who founded Spain fashion giant Inditex Group (Zara founded in 1975), managed by Roberto Cibeira Moreiras (CEO). Pontegadea Investments manages $140 billion of family assets. Amancio Ortega Gaona & family has an estimated fortune of $140 billion. Pontegadea Investments was founded in 2001 to manage the investments of Amancio Ortega Gaona family, investing substantially in real estate and in recent years, investing in renewable energy. Amancio Ortega first wife is Rosalia Mera (divorced 1986), and 2nd wife is Flora Perez Marcote. Amancio Ortega has 3 children, Marta, Marcos & Sandra. Amancio Ortega family has a philanthropic foundation – Amancio Ortega Foundation
Amancio Ortega is the founder of Inditex Group (Industria de Diseño Textil), with fashion brand Zara founded in 1975. Inditex Group is one of the world’s largest fast fashion group, and owns brands including Zara, Massimo Duti and Pull & Bear. Inditex Group (Industria de Diseño Textil) has a market capitalization of $204 billion (6/7/26).
- Founder: Amancio Ortega Gaona
- Family Office: Pontegadea Investments (2001)
- Family Office Assets: > $140 billion
- Location: Spain
- Best known for: Inditex Group, Zara, Massimo Duti
- Websites: Inditex Group, Zara, Massimo Duti
More Family Offices:
11. Cascade Asset Management – $110 Billion
Cascade Asset Management (Cascade Investment LLC) is the family office of Bill Gates (Age 70), co-founder of Microsoft, managed by Michael Larson since 1994. Cascade Asset Management manages more than $110 billion of family assets including managing the assets of Bill & Melinda Gates Foundation (Trust) with $67 billion AUM (More than $59 billion donated by Bill & Melinda Gates to the foundation which distributed $7 billion grants in 2022). Bill Gates has an estimated personal fortune of $110 billion. In 2020, Bill Gates stepped down as Chairman of Microsoft. Bill Gates >1% stake in Microsoft. In 2010, Bill Gates, Melinda (Bill’s wife) and Warren Buffet founded the “Giving Pledge“, where billionaires pledge to give majority of their wealth to philanthropy or charitable causes during their lifetimes or in their wills. In 2021, Bill Gates & Melinda announced their divorce. They have 3 children Jennifer, Rory & Phoebe.
Bill Gates is the co-founder of Microsoft (1975), which is the largest personal computer & software company in the world. Microsoft has a market capitalization of $2.9 trillion (6/7/26)
- Founder: Bill Gates
- Family Office: Cascade Asset Management (1994), Cascade Investment (1995)
- Family Office Assets: > $110 billion
- Location: United States
- Best known for: Microsoft, Windows, Microsoft Office, Bill & Melinda Gates Foundation, Giving Pledge
- Websites: Cascade Asset Management, Microsoft, Bill & Melinda Gates Foundation, Giving Pledge
12. Téthys – $100 Billion
Téthys is the family office of Francoise Bettencourt Meyers (Age 73) & family (Heir of L’Oréal), managed by Alexandre Benais (CEO). Francoise Bettencourt Meyers is the granddaughter of Eugène Schueller, who founded L’Oréal in 1909. Téthys manages more than $100 billion of family assets. Francoise Bettencourt Meyers & family has an estimated fortune of $100 billion. The Bettencourt-Meyers family are the largest shareholder of L’Oréal with 34.65% shareholding. Francoise Bettencourt Meyers is the only heir of the late Liliane Bettencourt (only child & daughter of Eugène Schueller, funder of L’Oréal). Téthys is the holding company of the Bettencourt-Meyers family with Françoise Bettencourt Meyers as Chairman & Jean-Pierre Meyers (husband) as CEO. In 2016, Francoise Bettencourt Meyers and Jean-Pierre Meyers founded Téthys Invest to invest in entrepreneurial projects. Francoise Bettencourt Meyers & family has a philanthropic foundation – Bettencourt Schueller Foundation ( Set up by Francoise Bettencourt Meyers mother Liliane Bettencourt in 1987).
Francoise Bettencourt Meyers is a Board Director and the 3rd generation heir of L’Oréal (1909), which is the world’s largest cosmetic company with brands including Maybelline, Garnier, Lancome, Giorgio Armani, Yves Saint Laurent, Ralph Lauren, Valentino, Diesel, Prada, shu uemura, Aesop & Redken. L’Oréal has a market capitalization of $234 billion (6/7/26).
- Founder: Francoise Bettencourt Meyers, Jean-Pierre Meyers
- Family Office: Téthys, Tethys Invest (2016)
- Family Office Assets: > $100 billion
- Location: France
- Best known for: L’Oréal, Bettencourt Schueller Foundation
- Websites: L’Oréal, Téthys, Téthys Invest, Bettencourt Schueller Foundation
13. Mousse Partners – $90 Billion
Mousse Partners is the family office of Alain Wertheimer (Age 77) & Gerard Wertheimer (Age 75) (Heirs of Chanel), founded in 1991. Mousse Partners manages more than $90 billion of family assets. Alain Wertheimer & Gerard Wertheimer have an estimated fortune of more than $90 billion. Alain Wertheimer & Gerard Wertheimer are the grandchildren of Pierre Wertheimer, who co-founded Chanel perfume business (Parfums Chanel company) in 1924 with Coco Chanel (Founded 1910). Alain Wertheimer & Gerard Wertheimer are the 3rd generation owners of Chanel, inheriting from their father Jacques Wertheimer. Mousse Partners is managed by Charles Heilbronn (Chairman), half-brother of Alain Wertheimer & Gerard Wertheimer (whose mother is Eliane Fischer, ex-wife of Jacques Wertheimer). Mousse Investments founded in 1979, (formerly known as Litor Limited) is the main holding company for Alain Wertheimer & Gerard Wertheimer family & Chanel. Alain Wertheimer & Gerard Wertheimer family philanthropic foundations include Wertheimer Family Foundaiton & Tova Foundation.
Alain Wertheimer (Chairman) & Gerard Wertheimer are the 3rd generation heirs of Chanel (1924), which is one of the world’s leading luxury fashion group.
- Founder: Alain Wertheimer & Gerard Wertheimer
- Family Office: Mousse Partners, Mousse Investments
- Family Office Assets: > $90 billion
- Location: United States (1979, 1991)
- Best known for: Chanel, Coco Chanel, Parfums Chanel company, Family Foundaiton & Tova Foundation
- Websites: Chanel, Mousse Partners, Mousse Investments
With No Known Family Offices
14. Mark Zuckerberg $210 Billion
Facebook (Meta) founder Mark Zuckerberg (Age 42) with $210 billion does not have a known pure single family office. Mark Zuckerberg assets & wealth are managed by multi-family office & investment firm ICONIQ Capital. Mark Zuckerberg & his wife Priscilla Chan have a philanthropic foundation – Chan Zuckerberg Initiative (CZI).
15. Jensen Huang $170 Billion
Jensen Huang – Nvidia Co-founder Jensen Huang (Age 63) with $170 billion fortune does not have a known pure single family office. Mark Zuckerberg & his wife (Lori Huang) have a philanthropic foundation – Jen-Hsun and Lori Huang Foundation ($9 billion assets).
16. Warren Buffett $150 Billion
Warren Buffett – Warren Buffett (Age 95) with $150 billion fortune does not have a known pure family office. Warren Buffett has >14% stake in Berkshire Hathaway ($1 trillion market value). Warren Buffett is co-founder of The Giving Pledge, where billionaires pledge to give majority of their wealth to philanthropy or charitable causes during their lifetimes or in their wills. Warren Buffett family has a few philanthropic foundations – The Howard G. Buffett Foundation, Susan Thompson Buffett Foundation, The Sherwood Foundation & NoVo Foundation.
17. Gautam Adani $120 Billion
Gautam Adani $120 Billion – India conglomerate Adani Group founder Gautam Adani (Age 64) with $120 billion fortune does not have a known pure single family office but has a family trust (S.B. Adani Family Trust) to hold shares in Adani entities. In 2022, Adani Group issued to refute a media report by Bloomberg news of Gautam Adani planning to open a family office in Dubai or New York. Gautam Adani is India & Asia richest person in 2026. Gautam Adani has a philanthropic foundation – Adani Foundation (Setup by Adani Group).
18. Mukesh Ambani $90 Billion
Mukesh Ambani $90 Billion – India conglomerate Reliance Industries Chairman Mukesh Ambani (Age 69) with $90 billion fortune does not have a known pure single family office. Mukesh Ambani is India & Asia 2nd richest person in 2026. Mukesh Ambani has a philanthropic foundation – Reliance Foundation (Setup by Reliance Industries).
19. Zhang Yiming $90 Billion
Zhang Yiming – China ByteDance (TikTok) founder Zhang Yiming (Age 43) ByteDance with $90 billion fortune does not have a known pure single family office but has a Hong Kong-based private investment & asset management firm Cool River Venture. Zhang Yiming is China richest person in 2026. Zhang Yiming has a philanthropic foundation – Fangmei Educational Development Fund (Named after his grandmothers).
20. Masayoshi Son $50 Billion
Masayoshi Son $50 Billion – Japan SoftBank founder Masayoshi Son (Age 68) with $50 billion fortune does not have a known pure single family office. Masayoshi Son is Japan richest person in 2026. Masayoshi Son has a philanthropicfoundation – Masason Foundation.
21. Hartono Family $50 Billion
Hartono Family $50 Billion – Indonesia Hartono family 2nd generation brothers Robert Budi Hartono (Age 85) & Michael Bambang Hartono (Age 86, Died 2026 March) family with $50 billion fortune does not have a known pure single family office. Hartono family is Indonesia richest family in 2026. Hartono family key holdings include Djarum Group, Bank Central Asia (BCA), Polytron (Consumer electronics) & Grand Indonesia (Luxury shopping mall & office). Hartono has a philanthropic foundation – Djarum Foundation.
22. Li Ka-shing $44 Billion
Li Ka-shing – Hong Kong Li Ka-shing (Age 97) with $44 billion fortune does not have a known pure single family office, but have multiple holding companies, with key shares held in Hong Kong public-listed companies CK Hutchison Holding & CK Assets. Li Ka-shing private venture capital & investment firm is Horizons Ventures. Li Ka-shing has a philanthropic foundation – Li Ka Shing Foundation.
23. Gina Rinehart $35 Billion
Gina Rinehart $35 Billion – Australia Gina Rinehart (Age 72) with $35 billion fortune does not have a known pure single family office. Gina Rinehart holds investments via private investment & mining company Hancock Prospecting. Gina Rinehart is majority shareholder of Hancock Prospecting & her 4 children held minority shares via Hope Margaret Hancock Trust. Hancock Prospecting total assets was at $29 billion, and paid $1.6 billion tax to Australia government in 2025. Gina Rinehart has a philanthropic foundation – Rinehart Medical Foundation.
With Known Family Offices
24. Jack Ma $40 Billion
Jack Ma $40 Billion – China Alibaba Group co-founder Jack Ma (Age 61) with $40 billion fortune family office is Enbao Asset Management, and allocate investments to Alibaba Group co-founder Joe Tsai Hong Kong $50 billion multi-family office & multi-strategy investment firm Blue Pool Capital. Jack Ma has a philanthropic foundation – Jack Ma Foundation.
25. Eduardo Saverin $32 Billion
Eduardo Saverin $32 Billion – Now-Singapore citizen Facebook co-founder Eduardo Saverin (Age 44) & wife Elaine Saverin with $32 billion fortune family office is EE Capital. Eduardo Saverin was born in Brazil (1982), studied at Harvard University (United States), co-founded Facebook in 2004, relocated to Singapore in 2009 & renounced his United States citizenship to become a Singapore citizen in 2011. In 2015, Eduardo Saverin married Indonesian Elaine Andriejanssen (Chinese, Dutch). Eduardo Saverin & wife Elaine Saverin have a philanthropic foundation – Elaine and Eduardo Saverin Foundation. In 2015, Eduardo Saverin co-founded private equity firm B Capital Group.
Top 10 Largest Family Office in the World in 2026 – Table
| Ranking | Family Office | Assets | Founder | Known for |
| 1 | Excession | $1.25 trillion | Elon Musk | Tesla, SpaceX |
| 2 | Walton Enterprises | $525 billion | Sam Walton | Walmart |
| 3 | Koop | $310 billion | Larry Page | Google, Alphabet |
| 4 | Bayshore Global Management | $290 billion | Sergey Brin | Google, Alphabet |
| 5 | Bezos Expeditions | $260 billion | Jeff Bezos | Amazon |
| 6 | DFO Management (MSD Capital) | $210 billion | Michael Dell | Dell Technologies |
| 7 | Lawrence Investments | $200 billion | Larry Ellison | Oracle |
| 8 | Agache (Groupe Arnault) | $170 billion | Bernard Arnault | LVMH |
| 9 | Ballmer Enterprises | $140 billion | Steve Ballmer & Connie Ballmer | Microsoft |
| 10 | Pontegadea Investments | $140 billion | Amancio Ortega Gaona | Inditex Group, Zara |
Source: Caproasia Institute
This is the top 10 largest family office in the world in 2026.
2026 Data:
- Top 10 Largest Family Office in the World in 2026
- List of International Private Banks in Hong Kong in 2026
- List of Boutique Private Banks in Hong Kong in 2026
- List of Regional Private Banks in Hong Kong in 2026
- List of International Private Banks in Singapore in 2026
- List of Boutique Private Banks in Singapore in 2026
- List of Regional Private Banks in Singapore in 2026
Private Banking:
- What is a Private Bank?
- What is Private Banking?
- Top 20 Common Misconceptions of Private Banking for HNW Clients
Private Bankers:
- What is a Private Banker?
- How do you become a Private Banker?
- Why 50% of Private Bankers quit in 21 months?
- 12 Reasons why most clients do not give Private Banker AUM within 6 months
- How do you survive as a Private Banker?
- How to succeed as a Private Banker?
- How do Private Bankers acquire new clients?
- How do you find the right Private Bank?
2025 / 2026 Latest Family Office Reports:
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