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Warren Buffett
Born
Estimated US$149bn. Finance and diversified ownership. Berkshire Hathaway combines insurance with railways, energy, manufacturing and retail businesses. Its investment portfolio also holds technology shares, so this is a classification by the business behind the fortune, not a claim that Buffett has no technology exposure.
More about Warren Buffett2
Amancio Ortega
Born
Estimated US$148bn. Fashion retail. Ortega’s Inditex holding, centred on Zara and its sister chains, anchors the fortune, alongside substantial property investments. Online shopping is part of the retailer’s distribution system; the underlying business sells clothing rather than software.
More about Amancio Ortega3
Alice Walton
Born
Estimated US$134bn. Retail inheritance. Walton’s wealth is tied to the Walmart family fortune, originating in mass-market stores. Walmart’s e-commerce operations do not change its retail classification here, and her art and philanthropic work should not be mistaken for the source of the estimate.
More about Alice Walton4
Mukesh Ambani
Born
Estimated US$99.7bn. Diversified industry. Reliance spans energy, materials, retail and digital services. This is an important mixed case: Ambani qualifies under the publisher’s diversified classification, but the Jio telecoms business means his fortune certainly includes significant technology-related exposure.
More about Mukesh Ambani5
Thomas Peterffy
Born
Estimated US$82.9bn. Financial services. Peterffy’s Interactive Brokers stake is classified as brokerage wealth. Its electronic trading system depends on sophisticated software, but its core service is executing and financing customers’ investments rather than selling general-purpose software licences.
More about Thomas Peterffy6
Zhong Shanshan
Estimated US$68.1bn. Consumer goods and healthcare. Nongfu Spring’s bottled drinks and his pharmaceutical interests place Zhong outside the core technology sector. The fortune joins a mass-market consumer business with health-related ownership rather than relying on a single internet platform.
More about Zhong Shanshan7
Jeff Yass
Estimated US$67.4bn. Trading and investments. Yass’s wealth comes through Susquehanna and its investments. Those include exposure to ByteDance, making him another explicit boundary case: investment-company wealth can depend partly on technology holdings without being classified as a technology-industry fortune.
More about Jeff Yass8
Dieter Schwarz
Born
Estimated US$67.2bn. Grocery retail. Schwarz Group’s Lidl and Kaufland businesses anchor this fortune. The group also invests in digital infrastructure, but its principal wealth classification remains retail, illustrating why secondary technology activities do not automatically remove a person from the list.
More about Dieter Schwarz9
Gautam Adani
Born
Estimated US$63.8bn. Infrastructure and commodities. Adani Group’s ports, airports and energy businesses supply the main connection. Digital and data-centre projects coexist with those assets; the sector label describes the core fortune rather than every activity across the group.
More about Gautam Adani10
Robin Zeng
Estimated US$53.2bn. Energy and batteries. Zeng’s CATL holding is classified as energy wealth. Battery production is technically sophisticated, but this rule treats industrial energy equipment separately from the software, computing and internet businesses in the technology sector.
More about Robin Zeng11
Ken Griffin
Estimated US$49.8bn. Investment management. Griffin’s Citadel and market-making interests sit in finance. Heavy use of algorithms and computing does not by itself turn a financial-services fortune into a software-company fortune under the same rule applied to other investors here.
More about Ken Griffin12
Jacqueline Mars
Born
Estimated US$49.1bn. Food and pet care. Jacqueline Mars’s inherited stake in the privately owned Mars business is estimated separately from those of other family members. The underlying products and services span confectionery, food and care for pets.
More about Jacqueline Mars13
John Franklyn Mars
Born
Estimated US$49.1bn. Food and pet care. John Mars’s share of the family company receives its own personal estimate. His entry and Jacqueline’s remain separate even though both derive from the same private business; neither figure is presented as the value of all Mars family ownership.
More about John Franklyn Mars14
Lukas Walton
Born
Estimated US$48.9bn. Retail inheritance and investing. Lukas Walton inherited wealth linked to Walmart and subsequently developed an investment and philanthropic organisation. The source classification follows the retail fortune, rather than recategorising him according to every later investment.
More about Lukas Walton15
Giovanni Ferrero
Born
Estimated US$48.8bn. Confectionery. Ferrero’s stake in the family business connects this estimate to Nutella, Kinder and other branded foods. It demonstrates the scale possible in repeat-purchase consumer products without a technology-platform business at the centre.
More about Giovanni Ferrero16
Li Ka-shing
Born
Estimated US$47bn. Diversified holdings. Li’s interests span property, infrastructure, retail and telecommunications. He remains eligible under the diversified-sector rule, although both telecoms operations and technology investments make it inaccurate to describe the fortune as entirely technology-free.
More about Li Ka-shing17
Mark Mateschitz
Born
Estimated US$45.8bn. Beverages. Mateschitz inherited a 49% Red Bull stake from his father. The energy-drink company’s sports and media activities support a consumer brand; they do not turn the underlying ownership into a technology-sector fortune.
More about Mark Mateschitz18
Gianluigi Aponte
Born
Estimated US$44.5bn. Shipping. Forbes’s March release attributed this MSC-linked estimate to Gianluigi Aponte. An ownership transfer to the next generation was announced afterwards, so the entry preserves the publisher’s historical attribution rather than asserting that it describes the later ownership structure.
More about Gianluigi Aponte19
Rafaela Aponte-Diamant
Born
Estimated US$44.5bn. Shipping. Rafaela Aponte-Diamant was separately valued in the same March publication, rather than combined with her husband as one family entry. The later announcement about MSC’s succession means this should be read as the dated publisher estimate, not a present-day ownership statement.
More about Rafaela Aponte-Diamant20
Klaus-Michael Kühne
Born
Estimated US$41.9bn. Logistics. Kühne’s wealth was associated with freight forwarding and transport holdings, including Kuehne+Nagel. The March snapshot predates his death in August 2026; retaining the entry preserves the reference date rather than silently changing the historical ranking.
More about Klaus-Michael Kühne21
Alain Wertheimer
Born
Estimated US$39.4bn. Luxury goods. Alain Wertheimer’s ownership interest in Chanel is valued separately from his brother’s. Fashion, beauty and related products provide the commercial base, while the private company’s value must be estimated rather than read from a stock-market quotation.
More about Alain Wertheimer22
Gérard Wertheimer
Born
Estimated US$39.4bn. Luxury goods. Gérard Wertheimer shares the Chanel ownership story with Alain but has his own wealth entry. Their equal estimates remain tied in this ordering, with the publisher’s sequence retained rather than an invented tie-break.
More about Gérard Wertheimer23
Stephen A. Schwarzman
Born
Estimated US$38.3bn. Alternative investments. Schwarzman’s Blackstone ownership is classified in finance. Its portfolio can include technology businesses, yet the fortune is tied to building and owning an asset manager; client assets under management are not the founder’s personal wealth.
More about Stephen A. Schwarzman24
Idan Ofer
Born
Estimated US$34.6bn. Shipping and industry. Ofer’s holdings connect ocean transport with industrial businesses. The classification follows those ownership interests, while the estimate remains personal net worth rather than the total value of the ships or companies in which he has stakes.
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