AllianceBernstein Holding L.P. provides investment management and related services in the United States and internationally. It offers institutional services, including separately-managed accounts, sub-advisory relationships, structured products, collective investment trusts, mutual funds, hedge funds, and other investment vehicles to unaffiliated corporate and public employee pension funds, endowment funds, domestic and foreign institutions, and governments. The company also provides retail services comprising retail mutual funds, sub-advisory relationships with mutual funds sponsored by third parties, and separately managed account programs sponsored by various financial intermediaries and other investment vehicles. In addition, it provides separately managed accounts, hedge funds, mutual funds, and other investment vehicles for private clients, including high-net-worth individuals, trusts and estates, charitable foundations, partnerships, and private and family corporations. Further, AllianceBernstein Holding L.P. offers research services to institutional investors through research, portfolio analysis, and brokerage-related services; and equity capital markets services to issuers of publicly-traded securities. Additionally, it provides distribution, shareholder servicing, and administrative services to its sponsored mutual funds. AllianceBernstein Corporation serves as the general partner of the company. AllianceBernstein Holding L.P. was founded in 1987 and is based in New York, New York.