Jim Simons, billionaire hedge fund manager, philanthropist dies at 86

Jim Simons, a renowned hedge fund manager and philanthropist, passed away at 86. Founder of Renaissance Technologies, he was celebrated for his use of mathematical models in finance, significantly impacting the industry with the highly successful Medallion Fund. Simons was also a major donor to Stony Brook University, contributing over $1 billion, and his philanthropic efforts extended to various scientific and educational causes.