For someone who has a sizable short portfolio, David Einhorn did pretty well in 2013. According to the latest numbers from the re-insurer's website, Greenlight Capital Re, Ltd. (NASDAQ:GLRE) was up 19.6% in 2013. The hedge fund closed the year at 124% long and 70% gross short exposure. Most long / short equity funds maintain a far lower short weighting.
Greenlight Capital’s top gainers this year
Some of Einhorn's top positions did really well this year. General Motors Company (NYSE:GM), his largest holding, was up 46% over the year. Greenlight owns over 17...

