NYSE:WCG NYSE:UAM NYSE:MOH NYSE:HNT NYSE:CNC Jim Simons NASDAQ:MGLN Brian Taylor Steven Cohen Samuel Isaly Joseph Healey Arthur B Cohen James E. Flynn Orbimed Advisors Centene Corp (CNC) Glenn Russell Dubin Health Net Inc (HNT) SAC Capital Advisors Deerfield Management Healthcor Management LP Renaissance Technologies Molina Healthcare Inc (MOH) Highbridge Capital Management Pine River Capital Management Wellcare Health Plans Inc (WCG) Magellan Health Services Inc. (MGLN) Universal American Corporation (UAM) Show more... Show less