Sixty years later, Bill Ackman wants to do something ... was “very inefficient” and needed new leadership. ADP fought back, accusing Ackman of making "false and reckless claims." ...

Bill Ackman is working to make his portfolio management skills more accessible to the public. Ackman typically holds positions for a long time, and all three of his top holdings were initiated in ...

Ackman said he hopes to build “a modern Berkshire Hathaway," and expressed confidence in Buffett’s successor’s ability to ...

Because of his long-term track record, retail investors closely follow the moves of Bill Ackman. The billionaire hedge fund manager runs Pershing Square Capital Management, which managed $12.6 ...

Pershing Square is trying to shake up ADP, the human resources and payroll ... is stepping up his attack against fellow billionaire Bill Ackman. In a phone call with Business Insider on Thursday ...

Bill Ackman’s Pershing Square expects to raise $1.4 billion from the sale of a 2.7% stake in Universal Music Group.

News of Ackman's sale in Universal Music Group shares comes shortly after he announced he was hoping to emulate investing ...

Sixty years later, Bill Ackman wants to do something similar — but he’s starting with real estate, not textiles. Ackman’s Pershing Square investment firm has proposed to acquire 10 million ...

The hedge fund manager believes investors can buy a world-class business at a compelling valuation today. Revenue growth and operating leverage should lead to soaring earnings per share in the ...