When Ray Dalio, billionaire founder of Bridgewater Associates, the world's largest hedge fund, announced in October 2022 that he was stepping down from the company he founded forty-seven years ago, the news made headlines around the world. Dalio achieved worldwide fame thanks to a mystique of success cultivated in frequent media appearances, celebrity hobnobbing, and his bestselling book, Principles. In The Fund, Rob Copeland draws on hundreds of interviews with those inside and around the firm to reveal what really goes on with Dalio and his cohorts behind closed doors.