AQR Capital Management is an investment management firm founded in 1998 by former Goldman Sachs portfolio manager Clifford S. Asness along with partners David Kabiller, John Liew and Robert Krail (all also from Goldman). The firm began with a quantitative equity hedge fund and today offers a variety of quantitatively driven hedge fund and traditional investment vehicles to both institutional clients and financial advisors. The company is based in Greenwich, Connecticut.