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

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 ...

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 ...