America’s richest billionaire families and their single family offices

The first single family offices – the investment firms of wealthy families – were created in the United States. Namely, the Rockefeller family formed the first family investment firm. Today, hundreds of important single family offices can be found in the United States. On this page, we are analyzing the single family offices of the wealthiest US billionaires. Mentioned single family offices are also part of our unique list of the most important US single family offices.

America’s most important single family offices in our unique dabatase

#1: Jeff Bezos Family Office, $114BN Net Worth

The world’s richest man – Jeff Bezos – earned his $114BN fortune through his online retailer and internet company Amazon.com. Today, Amazon employs almost 650,000 people and has yearly revenues in the amount of $233BN. Bezos’ family office is investing in promising startups and philanthropic causes.

#2: Bill Gates Family Office, $110BN Net Worth

By founding Microsoft, Bill Gates created (together with Paul Allen) one of the most important software companies in the world. With $125BN revenues and many different business lines, Microsoft is the most important provider of computer operating systems. Gates’ family office has a strong focus on stock investments.

#3: Warren Buffett Family Office, $83BN Net Worth

Warren Buffett is probably the most renowned investor in the world. His investment company Berkshire Hathaway successfully owns a wide range of companies. For example, Berkshire owns Fruit of the Loom or GEICO, or minority holdings in major companies like Coca Cola or Bank of America.

#4: Marc Zuckerberg Family Office, $70BN Net Worth

Marc Zuckerberg, founder of the world’s leading social network “Facebook”, acts as a venture capital investor by himself and has made several transactions, together with other famous tech-entrepreneurs, through a multi family office.

#5: Larry Ellison Family Office, $65BN Net Worth

With Oracle, Larry Ellison created one of the biggest database service providers. Today the company employs more than 136,000 people and generates $40BN in revenues. Ellison owns a relatively secret single family office, through which his investments are managed.

#6: Larry Page Family Office, $55BN Net Worth

Google, the most frequently used search engine in the world wide web, generates yearly revenues of $136BN. Co-founder Larry Page likes to invest his profits in rather uncommon areas such as space exploration and flying cars.

#7: Sergey Brin Family Office, $53BN Net Worth

The second co-founder of Google, Sergey Brin, operates a real estate related single family office based in Los Altos but also makes transactions in the role of a venture capital investor.

#8: Michael Bloomberg Family Office, $53BN Net Worth

Michael Bloomberg founded one of the most important financial data and media firms in the world. Annual sales of more than $10BN allow his single family office to invest in start-ups and many other different asset classes.

#9: Steve Ballmer Family Office, $52BN Net Worth

Serving as the CEO of Microsoft, Steve Ballmer could generate a fortune of $52BN. Since the sale of his twitter shares in 2018, he claims to not to be interested in investments anymore.

#10: Walton Family Office, $190BN Net Worth (combined)

The Waltons count as the richest non-royal family in the world. Their business, Walmart, expanded quickly since 1962 and generates more than $500BN in revenues today. They own several family offices that are active in many different types of investments.

#11: Mars Family Office, $90BN Net Worth (combined)

The family behind the large confectionary company Mars Inc. operates highly secret regarding their investment activities. They invest most of their profits back into their leading confectionary and pet food firm.

#12: Sheldon Adelson Family Office, $40BN Net Worth

American business magnate, investor, philanthropist, and political donor Sheldon Adelson founded the Las Vegas Sands Corporation which operates lots of casinos and luxury hotels worldwide, including the Marina Bay Sands in Singapore.

#13: Phil Knight Family Office, $37.6BN Net Worth

The founder of the world leading sports goods producer Nike is involved in a New York based family office that invests in middle market companies active in the fields of consumer, retail, distribution, industrial, media and communication.

#14: Elon Musk Family Office, $36BN Net Worth

The famous entrepreneur and engineer Elon Musk, the man behind Tesla and SpaceX who holds a fortune consisting almost only of shares in Tesla, operates a secret single family office although saying that he’s not active as an investor.

#15: Michael Dell Family Office, $31BN Net Worth

After first concentrating on selling IBM computers, Michael Dell established a world class manufacturing company for hardware. His family office focuses on leveraged buyouts, growth capital, real estate and private equity.

#16: Laurene Powell Jobs Family Office, $26BN Net Worth

Steve Jobs left his wife an impressive inheritance consisting of shares in Apple. The widow Laurene Powell operates a single family office to manage her wealth that focuses on impact investing.

#17: Len Blavatnik Family Office, $24BN Net Worth

Len Blavatnik’s fortune is due to profitable investments in then very small, but today very successful companies, including Facebook, Amazon and Spotify, for example.

#18: Lauder Family Office, $23BN Net Worth (combined)

The family stands behind the American multinational manufacturer and marketer of prestige cosmetics “Esteé Lauder”. At least one of the family members runs a single family office that makes venture investments.

#19: Jim Simons Family Office, $21BN Net Worth

The mathematician and billionaire hedge fund manager is known to be a quantitative investor who founded Renaissance Technologies, one of the most successful hedge funds worldwide.

#20: Carl Icahn Family Office, $18BN Net Worth

The American businessman and investor founded Icahn Enterprises, a conglomerate holding company based in New York City. It is known that Icahn is likely to invest in real estate and his hedge funds.

Picture source: Maarten van den Heuvel