Pershing Square Capital Management's new $1.3 billion holding is an undisputed leader in two separate industries.

Billionaire Bill Ackman is continuing his charge to change education ... The financier runs New York-based hedge fund firm ...

Hertz Global Holdings has announced a partnership with Amazon Autos to sell pre-owned vehicles online, resulting in a surge in Hertz's stock price. This strategic collaboration enters the used-vehicle ...

Billionaire investor Bill Ackman has thrown his support behind Alpha School, a fast-expanding private network that uses ...