Activist investor Carl Icahn is not afraid to increase his exposure in the energy sector after suffering substantial losses in this sector this year caused the worst commodity price crash for a long period of time. At the beginning of the year, Carl Icahn's publicly traded holding company Icahn Enterprises LP suffered its first annual net loss since the financial crisis of 2008, which was triggered by the glut of the fuel that collapsed prices. Icahn's latest 13F, for the first quarter of 2015, disclosed around 14% of its $32 billion equity portfolio allocated to the energy sector. Among his top energy picks are Talisman Energy Inc. (NYSE: TLM ) and Chesapeake Energy Corporation (NYSE: CHK ).