Cornwall Capital was one of a few investors who saw and shorted the subprime mortgage crisis market prior to the collapse; according to Michael Lewis, they were perhaps one out of 20 in the world who did so. They shorted the crisis and made billions. My concentrations are Finance, Strategy and Marketing. Whitney started a hedge fund that quickly closed in after negative returns, according to The Wall Street Journal. Trending Now. What i dont understand is they put up their 40 million in swaps at a ratio on the AA tranches, but their net gross is 80 million.