Billionaire Bill Ackman Has 53% of His Hedge Fund's $10.6 Billion Portfolio Invested in Just 3 Stocks By: Motley Fool October 07, 2024 at 20:15 PM EDT The well-known activist investor isn't afraid to bet big on his favorite ideas. Read More >> Related Stocks: Alphabet-A Alphabet-C Chipotle Mexican Grill Hilton Worldwide Holdings Inc. Common Stock