Gruntal & Co. was a boutique investment banking and brokerage firm based in New York City. Prior to its acquisition in 2002, the firm was among the oldest independent investment banking houses in the U.S. The firm was founded as Sternberger & Fuld in 1880 by Maurice Sternberger, who partnered Ludwig Fuld. Sternberger bought a seat on the New York Stock Exchange in 1881 for $20,000. They were joined in 1884 by a third partner, Samuel Sinn, and the firm became Sternberger, Fuld & Sinn, with an office at 52 Broadway in Lower Manhattan.