Citadel Securities has been valued at $22 billion, helping Ken Griffin overtake Carl Icahn and Jim Simons on the finance rich list.
Extending the child tax credit for one year would cost $185 billion, according to the CBO. A tax on billionaire wealth would more than cover that.
Berkshire Hathaway spends three times Buffett's salary on his personal and home security each year, or $4.4 million since 2008.
Elon Musk's said last week that he will "pay more taxes than any American in history this year."
Yusaku Maezawa promised he'd give away funds on his inaugural 12-day trip to space and has granted gifts of between 500 Japanese yen ($4.40) and 1 million yen ($8,814.)
Bankman-Fried's friends, colleagues, and investors spoke to Insider for an in-depth profile of how he built his fortune and the challenges he faces.
Hui Ka Yan is now worth $6.1 billion, according to the Bloomberg Billionaires Index.
The government has stepped in to manage Evergrande's crisis after it said there was "no guarantee" it would have enough funds to meet debt repayments.
The Tesla CEO could face a tax bill exceeding $10 billion this year if he exercises all his options expiring in 2022, according to Bloomberg calculations.
The Tesla and SpaceX CEO is known for sharing memes on Twitter and his juvenile sense of humor. Jeff Bezos? Not so much.
The Tesla and SpaceX CEO shared his vision for colonizing Mars, complimented Warren Buffett, and explained his resistance to a billionaire tax.
The Tesla and SpaceX CEO said he doesn't want the Berkshire Hathaway CEO's job, but trumpeted Buffett's value to the economy.
The DoubleLine Funds boss expects the US dollar to tumble in the next year or so, boosting emerging-market stocks and gold.
The Oracle cofounder, who invested in Tesla after joining Elon Musk's board in 2018, owns $135 billion worth of the two companies' shares.
The Lowercase Capital founder urged amateurs not to trade on margin, noting he ended up with $4 million in debt by day trading in college.
A "large telecommunications company" that uses Oracle, Google, Amazon, and Microsoft said Oracle "never ever goes down," Ellison said.
The billionaire ex-wife of Jeff Bezos said she wants to refocus attention on the groups she's supporting rather than the contributions she's made.