According to a source with knowledge of the matter, Paulson & Co's flagship Paulson Partners fund was down by dropped 4.2% in August, slicing its 2015 gain to just 6.52%. The well-known Advantage Fund has lost 4.9% for the month and is off 3.6% for the year. The worst performer is the Special Situations Fund, which saw its portfolio lose 8.35% of its value in August, and now stands at an extremely disappointing -11.6% for 2015. Paulson did not go into into detail with specific explanations for the losses, but large investments in healthcare stocks, including Shire and Valeant Pharmaceuticals...