After an analyst lunch hosted by Pershing Square, Maris hand-delivered a $100 bill to the Pershing Square offices, refusing to let Ackman buy him a meal. The only people he cares about are George ...

The book’s jacket boasts an endorsement from hedge fund billionaire Bill Ackman, whom Wilkinson met after spending $57,700 on a charity auctioned-lunch. The autobiography is peppered with the ...

Bill Ackman founded Pershing Square Capital Management, a hedge fund that invests in large-cap value stocks and strategic hedges. Ackman's aggressive $27 million credit default swaps (CDS ...

Uber Technologies (UBER) rose 8% at least party after Bill Ackman disclosed a stake in the ride-sharing company.

Bill Ackman is the founder and CEO of Pershing Square Capital Management, a hedge fund management company and he is a well-known activist investor. Forbes estimates that Ackman is worth $3.6 billion.