AllianceBernstein Holding L.P. is a publicly owned investment manager. The firm is a related adviser The firm manages separate client focused portfolios for its clients. The firm primarily invests in common and preferred stocks, warrants and convertible securities, government and corporate fxed-income securities, commodities, currencies, real estate-related assets and infation-protected securities. The firm employs quantitative analysis along with long-term purchases, short-term purchases, trading, short sales, margin transactions, option strategies including writing covered options, uncovered options and spread strategies to make its investments. The firm obtains external research to complement its in-house research. The firm was formerly known as Alliance Capital Management Holding LP. AllianceBernstein Holding L.P. was founded in 1967 and is based in New York, New York.