Bill Ackman, the legendary billionaire hedge fund manager over at Pershing Square Capital Holdings, has a new position, and it’s caused quite the bullish crowd to come herding over. Undoubtedly ...

Bill Ackman offers a buyout of Howard Hughes Holdings with plans to create his own Berkshire Hathaway. A look at the proposal and what's next. Every week, our Whisper Index uncovers five ...

Bill Ackman, founder and chief executive of Pershing Square Capital Management, has built his reputation as one of Wall Street's most high-profile corporate agitators on high-stakes activist ...

UnitedHealth Group Inc. said a hospital error led to its phone call with a Texas surgeon that was later criticized by billionaire Bill Ackman, who suggested that the ...