Its $8 billion U.K. Equity Fund, the biggest hedge fund in Europe that bets on stocks, fell 4.4 percent this month through Aug. 8 and 16 percent this year, according to a person familiar with the matter, who asked not to be identified because the returns aren't made public.
SAC Capital Advisors LP, the $14 billion hedge fund run by billionaire Steven A. Cohen in Stamford, Connecticut, lost about 4 percent from its main fund this month through Aug. 8, according to a person familiar with the matter. The fund had gained about 10 percent this year through July.
R.G. Niederhoffer Capital Management Inc.'s $22 million Negative Correlation Fund jumped 23 percent this month through Aug. 8, leaving it with a 5.3 percent gain this year, according to a letter to clients of the New York firm.
Officials for the hedge funds declined to comment.