Breadcrumb Home September 22, 2015 01:00 AM The largest hedge fund managers: 2015 A ranking of the 10 largest hedge fund managers listed by assets managed worldwide as of June 30, 2015. Tweet Share Share Email More Toggle Fullscreen Share P&I Assets: $27.0 billionPictured: James Simons, founder Toggle Fullscreen Share P&I Assets: $27.0 billion Toggle Fullscreen Share James Dimon Toggle Fullscreen Share David W. Harding, Winton Capital's founder, CEO and chairman Toggle Fullscreen Share P&I Assets: $30.4 billionPictured: Israel Englander Toggle Fullscreen Share P&I Laurence Fink Toggle Fullscreen Share Bloomberg Daniel S. Och attributes growth to investor interest in alternative assets Toggle Fullscreen Share Emmanuel Roman Toggle Fullscreen Share Cliff Asness is the co-founder, managing principal and chief investment officer of AQR Capital Management. Toggle Fullscreen Share Bloomberg Ray Dalio