The Pershing Square Capital Management ... Ackman’s returns topped those of Citadel’s main Wellington strategy and Millennium Management, which saw their portfolios advance 15.3% and nearly ...
Yet a handful of multibillion-dollar firmsincluding Blackstone Group LP, D.E. Shaw, Millennium Partners and Citadel have ... that 2015 is on track to be the worst year ever for his Pershing Square ...