A value investor known for avoiding leverage and holding cash. Klarman's Boston-based Baupost Group has seen its assets under management balloon in recent years to $26 billion as new money flowed in. Klarman, 55, has tried to keep a low-profile. His out o

Steve is Head of Fixed Income Trading and is the lead Portfolio Manager for the Pine River Fixed Income Fund and Co-Portfolio Manager for the Pine River Liquid Mortgage Fund.

The federal government is breathing down his neck with an insider-trading investigation that has spooked some of his investors, but that did not stop Cohen, 57, from making money in financial markets. In 2012, his Stamford, Ct., SAC Capital Advisors, whic

There has been no shortage of drama for this hedge fund manager. The activist investor turned up the heat in late 2012 announcing a massive short position in Herbalife, calling the nutritional supplement company a pyramid scheme. Rival hedge fund titans c