Maybe Bill Ackman has. He said he has been "a long-term customer and admirer of Uber beginning when Edward Norton showed me ...

Billionaire investor Bill Ackman sparked a sell-off in UnitedHealth (UNH) shares on Wednesday after suggesting on X that the ...

Uber’s stock extends its surge as hedge funder Ackman says he’s amassed a 30.3-million-share stake since early January.

Born into a wealthy New York family, Bill Ackman has amassed ... about 38% of the business. • In 2012, Ackman accused nutritional supplements maker Herbalife of being a pyramid scheme.

Bill Ackman is the founder and CEO of Pershing Square, a hedge fund with around $12.9 billion in assets under management. That includes billions of dollars invested in popular sto ...

UnitedHealth Group Inc. said it contacted the US Securities and Exchange Commission with concerns about investor Bill ...

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 ...

UnitedHealth (NYSE:UNH) has contacted the US Securities and Exchange Commission about its issues with hedge fund investor ...

in which Ackman made a big bet that Herbalife Inc.'s stock (HLF) would fall, while Icahn bet that it would rise. Ackman eventually called uncle, and exited his short bet in early 2018. Uber shares ...