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

UnitedHealth shares fell more than 4% on Wednesday before finishing down 1%, a day after hedge-fund manager Bill Ackman wrote a post on social media that said the insurer could be overstating its ...

Bill Ackman shared choice comments on UnitedHealth Group on his social media account before deleting his posts. Here's a look ...

Bill Ackman announced on Saturday that his management company would leave Delaware to reincorporate in Nevada.

File-sharing service Dropbox unveiled plans last Friday to move its incorporation from Delaware to Nevada. The San Francisco-based tech firm said in a securities filing that it’s in a transformational ...

Billionaire hedge fund manager Bill Ackman deleted a post on X in which he raised the possibility that the midair collision between a passenger jet and a military helicopter near Reagan Airport on ...

Bill Ackman built a net worth of $9.3 billion by spotting promising opportunities. The hedge fund manager doesn't usually reveal the opportunities he likes to the public. However, he recently made an ...

Billionaire investor Bill Ackman said Monday that Pershing Square will increase its stake in real estate giant Howard Hughes Holdings by $1 billion in a bid to create “a modern-day Berkshire ...

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 built a net worth of $9.3 billion by spotting promising opportunities. The hedge fund manager doesn't usually reveal the opportunities he likes to the public. However, he recently made ...