On Friday, Feb. 7, hedge fund manager Bill Ackman took to social media platform X (formerly Twitter) to reveal his firm's newest stock position. This is quite unusual, as investors typically need to ...

These days, though, Simon is feeling uneasy as a growing number of prominent business leaders like Elon Musk and Bill Ackman, ...

Uber stock hit its highest level since October after Ackman disclosed his Pershing Square hedge fund accumulated a 1.4% stake ...

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 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 thinks Uber shares are a bargain. The billionaire activist investor and CEO of Pershing Square Holdings revealed Friday that his firm has built a significant position in the rideshare ...

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 ...

Uber Technologies Inc.’s stock is continuing its comeback following Bill Ackman’s disclosure that his Pershing Square investment fund now owns 30.3 million shares of the ride-hailing company.