Since UnitedHealth Group Incorporated (NYSE:UNH) has experienced bearish sentiment from the aggregate hedge fund industry, we can see that there was a specific group of hedgies who were dropping their entire stakes heading into Q3. At the top of the heap, Jim Simons's Renaissance Technologies said goodbye to the largest stake of the 750 funds tracked by Insider Monkey, valued at close to $306.6 million in stock, and Robert Pohly's Samlyn Capital was right behind this move, as the fund cut about $72.2 million worth. These bearish behaviors are interesting, as aggregate hedge fund interest dropped by 4 funds heading into Q3.