 In July 2011, Soros announced that he had returned funds from outside investors' money (valued at $1 billion) and instead invested funds from his $24.5 billion family fortune, due to changes in U.S. Securities and Exchange Commission disclosure rules, which he felt would compromise his duties of confidentiality to his investors.The fund had at that time averaged over 20% per year compound returns.In 2013, the Quantum Fund made $5.5 billion, making it again the most successful hedge fund in history.