New York Mets owner Steve Cohen is one of the most famous stockpickers of all time. Jim McIsaac/Getty ImagesSteve Cohen, the billionaire founder of Point72 and owner of MLB's New York Mets, is no longer trading for his fund.He is focused on developing talent at his firm, which has grown to manage more than $35 billion.He has spoken over the years about being a less prominent part of the firm's overall returns.SAC Capital officially closed in 2013.