False claims about government spending have gone viral on social media, frequently boosted by DOGE leader Elon Musk.

Billionaire investor Bill Ackman is once again flexing his political muscle — this time by publicly touting the New York mayoral candidacy of former hedge fund manager Whitney Tilson because ...

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 ...

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 ...

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 ...