Affiliated Managers Group (NYSE:AMG) reported quarterly earnings of $4.82 per share which missed the analyst consensus estimate of $4.84 by 0.41 percent. The company reported quarterly sales of $516.400 million which missed the analyst consensus estimate of $521.873 million by 1.05 percent. This is a 1.68 percent decrease over sales of $525.200 million the same period last year.