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,

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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),

Billionaire hedge fund manager Bill Ackman recently revealed his latest multibillion-dollar investment: mobility technology leader Uber (NYSE: UBER). According to a social media post by Ackman, Pershing Square Capital Management (the hedge fund he oversees) owns 30.

Billionaire investor Bill Ackman's Pershing Square Capital acquired a $2.3 billion stake in Uber by purchasing 30.3 million shares. Ackman has praised Uber's CEO for transforming the company and also claimed that the company has more scope for growth.

The Pershing Square CEO said he's admired the ridesharing giant since actor Edward Norton introduced him to the app in its early days.

Hedge fund manager Bill Ackman just disclosed a position in Uber. Bill Ackman is one of the most closely followed investment personalities on Wall Street. As CEO of hedge fund Pershing Square Capital Management, Ackman has been at the center of some creatively structured investments in recent history.