Bill Ackman is one of the most widely followed investment managers in the world. He's in charge of Pershing Square Capital, a ...

Billionaire hedge fund manager Bill Ackman revealed on Friday that his activist investment firm has bought up approximately ...

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 ...

Billionaire Bill Ackman disclosed Friday his hedge fund made a major bet on ride hailing giant Uber, helping boost shares of the San Francisco-based company to their highest level in months as ...

Bill Ackman, the billionaire CEO of Pershing Square Capital Management, says he will move his management company out of Delaware to reincorporate in Nevada. His announcement, which came in a post ...

Gift 5 articles to anyone you choose each month when you subscribe. Activist investor Bill Ackman has taken a stake of more than $US2.3 billion ($3.6 billion) in the ...

Uber Technologies (NYSE:UBER) rose 9.4% Friday, alongside billionaire hedge fund investor Bill Ackman disclosing a stake in the ride-sharing and tech company. Ackman's Pershing Square began ...

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 ...