Jim Simons, Math Genius Who Conquered Wall Street, Dies at 86 The New York TimesQuant hedge fund pioneer Jim Simons dies at 86; tributes pour in from Ray Dalio, Mike Bloomberg, more MoneycontrolJim Simons, billionaire quantitative investing pioneer who generated eye-popping returns, dies at 86 CNBCJim Simons, billionaire hedge fund founder, dies at 86 CNN