Ackman's activist investor strategy requires a highly concentrated portfolio. He needs to buy enough of a company to have some say, and his attention and influence can only be spread so thin.

Universal Music Group said on Wednesday that billionaire Bill Ackman-led Pershing Square has exercised its right to request ...

Billionaire Bill Ackman’s investment vehicle Pershing Square has offered to buy the remainder of real estate developer Howard ...

Investor Bill Ackman could have made close to $1 billion from his investments in mortgage giants Fannie Mae and Freddie Mac.

The bigger the better? Bill Ackman doesn't think so, at least not when it comes to portfolio size. His Pershing Square Capital Management hedge fund owns only 10 stocks. Ackman has made a fortune ...

Pershing Square Capital Management is pushing for a merger after the spinoff of some of Howard Hughes’ other entities.

Pershing Square Holdings, majority owned by billionaire investor Bill Ackman, is set to leave the Netherlands, a move Ackman ...

Nike's turnaround strategy can propel the stock by 32% to $97 says this analyst as Bill Ackman loads up on the shares.

It’s not clear what the hedge fund ownership could mean for Columbia, which was founded in 1967 by James Rouse as a model of ...

Bill Ackman is supporting former hedge funder Whitney Tilson in his quest to become the next mayor of New York City.

The billionaire activist investor has made some big moves in his portfolio recently. Bill Ackman likes to focus on just a few companies at a time. His hedge fund, Pershing Square Capital ...