AllianceBernstein Holding L.P., a diversified investment management and research firm, offers personalized services to a wide range of clients including investment companies, banks, estates, charitable organizations, and individuals. With an investment portfolio spanning public equity, fixed income, and alternative investments worldwide, the firm employs a long/short strategy, informed by in-house research. Established in 1987, AllianceBernstein Holding L.P. is headquartered in the bustling metropolis of New York City.