Forbes Magazine just came out with it's list of the top billionaires in the U.S.
Meet the 10 richest people in finance, which includes hedge fund stars and reclusive investment moguls
They don't just work with money — they command enormous fortunes themselves.
We narrowed the list down to look at the most successful people in finance, which includes investments, trading, hedge funds and money management.
Read on to see the 10 wealthiest people in finance.
10. Philip Anschutz
Net worth: $11.3 billion
Age: 78
Country: US
Industry: Diversified investments
Source of wealth: Self-made
Reclusive billionaire Philip Anschutz has built a fortune across oil, railroads, real estate, sports and entertainment.
Anschutz also owns the NHL's King team and part of the Lakers' basketball franchise.
He's trying to build the world's biggest wind farm in Wyoming.
9. David Tepper
Net worth: $11.6 billion
Age: 61
Country: United States
Industry: Hedge funds
Source of wealth: Self-made; Appaloosa Management
Tepper founded his hedge fund, Appaloosa Management in 1993, and now manages $15 billion.
Tepper bought the NFL's Carolina Panthers professional football team for $2.3 billion earlier this year.
In September, Tepper said that his firm had reduced its holdings of US stocks.
"If you ask me what inning we're in, I think it's a late-innings game," Tepper, who manages about $14 billion in assets,told CNBC
Appaloosa in May disclosed it had sold its entire stake in Apple, which had previously made up more than 7% of its portfolio.
The fund is also pushing for change at pharma company Allergan.
8. Steve Cohen
Net worth: $13 billion
Age: 62
Country: US
Industry: Hedge funds
Source of wealth: Self-made; Point72 Asset Management
Steve Cohen for years ran SAC Capital, one of the most successful hedge funds ever.
7. Steve Schwartzman
Net worth: $13.8 billion
Age: 71
Country: US
Industry: Investments
Source of wealth: Self-made; Blackstone Group
Stephen Schwarzman, the son of a dry goods store owner, founded Blackstone in 1985 alongside Pete Peterson. Now the world's largest private equity firm, Blackstone manages $439 billion in assets.
Schwarzman took home a pay package of
Earlier this year, Blackstone elevated the firm's real estate head Jonathan Gray to president and chief operating officer which paves the way for him to replace Schwarzman as CEO.
6. Carl Icahn
Net worth: $16.3 billion
Age: 82
Country: US
Industry: Investments
Source of wealth: Self-made; Icahn Enterprises
5. Abigail Johnson
Net worth: $17.3 billion
Age: 65
Country: US
Industry:
Source of wealth: Inherited; Fidelity Investments
Abigail Johnson has served as CEO of mutual fund giant Fidelity Investments since 2014, when she took over from his father Ned Johnson III.
Her grandfather the company in 1946.
Johnson owns around 24.5% stake of the firm, which manages $2.5 trillion.
Johnson, who is the first woman to run Fidelity, is known for being very private. Earlier this year, she made a rare speech in an effort to address inappropriate workplace conduct like sexual harassment at Fidelity.
4. Ray Dalio
Net worth: $18.1 billion
Age: 69
Country: US
Industry: Hedge funds
Source of wealth: Self-made; Bridgewater Associates
Dalio recently sat down with Business Insider CEO Henry Blodget to discuss his new book, which breaks down the anatomy of credit crises throughout history.
3. James Simons
Net worth: $20 billion
Age: 80
Country: US
Industry: Hedge funds
Source of wealth: Self-made; Renaissance Technologies
Before revolutionizing the hedge fund industry with his mathematics-based approach, "Quant King" James Simons worked as a code breaker for the US Department of Defense during the Vietnam War, but was fired after criticizing the war in the press. He chaired the math department at Stony Brook University for a decade until leaving in 1978 to start a quantitative-trading firm. That firm, now called Renaissance Technologies, has more than $57 billion in assets under management among its many funds.
He's given away over $2.7 billion in his lifetime.
2. Thomas Peterffy
Net worth: $20.2 billion
Age: 74
Country: United States
Industry: Discount brokerage
Source of wealth: Self-made; Founded Interactive Brokers
Thomas Peterffy, who is frequently considered the father of modern trading, founded discount trading company Interactive Brokers in 1993. He took the company public in 2007, but still owns the majority of it.
Peterffy immigrated to the US from Hungary in 1965 with no money and didn't speak any English. He started off as a software designer and then bought a seat on the American Stock Exchange to trade options in the 1970s. He built a hand-held computer and used it to trade on the floor of the exchange, the first time that had been done.
He's also known for his staunch opposition to socialism. He ran a series of television ads during the 2012 election cycle warning about the dangers of wealth distribution. Peterffy also been public about his support for President Donald Trump.
1. Warren Buffett
Net worth: $88.3 billion
Age: 88
Country: US
Industry: Diversified investments
Source of wealth: Self-made; Berkshire Hathaway
Berkshire Hathaway CEO Warren Buffett started his prodigious investing career at a young age. As a child he delivered newspapers on his bike, and by 11 the precocious Nebraska native had purchased his first shares in the stock market — He was rejected from Harvard Business School, so Buffett went to Columbia Business School instead and learned under iconic value investor Benjamin Graham, who would become a mentor to the budding financier. Buffett worked as a securities analyst in the early-1950s before starting his own investment firm. He bought textile company Berkshire Hathaway in 1969, transforming it into a holding company that would house the many lucrative investments that helped build his massive fortune and earn the nickname "The Oracle of Omaha."
The array of portfolio companies and investments that made him rich may appear random — he's bet on companies including Coca-Cola, American Express, Geico, Fruit of the Loom, Dairy Queen, and General Motors — but they're all cash-generating machines that offer long-term value.
A frugal man with a fondness for junk food, perhaps the most impressive part of Buffett's $88 billion fortune is that it doesn't include $31.5 billion he's already given away. He's good friends with Microsoft cofounder Bill Gates, whom he collaborated with to create the Giving Pledge, a promise for billionaires to give away at least half of their wealth to charity. He's said that he will give away 99% of his wealth.
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