Uber (NYSE: UBER) got a huge new investor last week when hedge fund manager Bill Ackman announced a $2.3 billion stake in the company. Ackman is known as a long-term investor willing to bet big on concentrated ideas,

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

Bill Ackman has amassed a roughly $2.3 billion stake in Uber, saying in a post on X that the ride-hailing company's stock is undervalued. Ackman said Friday in the post that his Pershing Square invest

Billionaire hedge fund manager Bill Ackman recently revealed his latest multibillion-dollar investment: mobility technology leader Uber ( UBER -2.14%). According to a social media post by Ackman, Pershing Square Capital Management (the hedge fund he oversees) owns 30.3 million shares of the company.

Bill Ackman has a stake worth $2.3 billion in Uber stock. He says UBER is currently trading at a massive discount.

Billionaire Bill Ackman, the CEO of Pershing Square Capital Management, is known for investing in cash-flowing consumer stocks and making contrarian bets.

Go big or go home. Billionaire investor Bill Ackman of Pershing Square Capital Management takes that sentiment to heart. His hedge fund has some $13 billion in assets under management, but he owns just 10 stocks (track his portfolio here),