Billionaire Bill Ackman Has 53% of His Hedge Fund's $10.6 Billion Portfolio Invested in Just 3 Stocks

The well-known activist investor isn't afraid to bet big on his favorite ideas.Bill Ackman is one of the best-known billionaire investors in the world. His hedge fund, Pershing Square Capital, focuses on a few high-quality businesses where Ackman feels the stock has become mispriced, relative to its value. He will then buy shares and use his influence to unlock shareholder value.As an activist investor, he can focus on only so many businesses at once. That means he only swings at what he thinks are his bigg ...