Billionaire hedge fund manager Bill Ackman on Monday questioned U.S. funding of the United Nations, saying it "deserves careful scrutiny." "The more I learn about the @UN, one of the largest ...

Billionaire hedge fund manager Bill Ackman revealed on Friday that his activist investment firm has bought up approximately $2 billion worth of shares of Uber — sending the ride-share company ...

Bill Ackman, the billionaire hedge fund manager and CEO of Pershing Square Capital Management.Adam Jeffery/CNBC via Getty Images Billionaire hedge fund manager Bill Ackman says he is moving his ...

Bill Ackman put pressure on one of the largest companies in the world with a tweet that he later deleted. Here's a look at what Ackman said about UnitedHealth Group. Brand New Membership Level ...

Bill Ackman (Trades, Portfolio) just made a power movehis hedge fund, Pershing Square, has snapped up 33.3 million shares of Uber Technologies (), and the market is loving it.Shares jumped 7.7% at ...

Bill Ackman, the billionaire CEO of Pershing Square Capital Management, says he will move his management company out of Delaware to reincorporate in Nevada. His announcement, which came in a post ...

Bill Ackman plans to increase his stake in Howard Hughes Holdings to at least 61%. Howard Hughes will remain a publicly traded company but be used as a vehicle to acquire controlling stakes in ...

Bill Ackman expects privatization of Fannie Mae will provide a huge catalyst for the stock. However, Wall Street analysts are concerned any privatization attempts will fail. The uncertainty makes ...

Uber Technologies (NYSE:UBER) rose 9.4% Friday, alongside billionaire hedge fund investor Bill Ackman disclosing a stake in the ride-sharing and tech company. Ackman's Pershing Square began ...

Billionaire investor Bill Ackman sparked a sell-off in UnitedHealth (UNH) shares on Wednesday after suggesting on X that the health insurer’s profitability may be “massively overstated” due ...

Billionaire hedge fund manager Bill Ackman criticized the Food and Drug Administration (FDA) this week, saying the agency took too long to ban Red No. 3 from the U.S. food supply. "For how many ...

Billionaire investor Bill Ackman pledged to cover the legal fees for a Texas doctor in a dispute with UnitedHealth Group Inc. over her claims that the company asked her to scrub out of an ...