GAMCO Investors, Inc. operates as a holding company, which engages in the provision of investment advisory and asset management services. The company is headquartered in Rye, New York and currently employs 172 full-time employees. The firm is a provider of investment advisory services to open and closed-end funds, institutional and private wealth management investors principally in the United States. The firm operates through the investment advisory and asset management business segment. The company manages assets on a discretionary basis and invests in securities through various investment styles. Its assets under management are organized into three groups: Institutional and Private Wealth Management; Open and Closed-End Funds, and the GAMCO International SICAV (SICAV). The firm provides advisory services to a range of investors, including corporate retirement plans, foundations, endowments and private wealth clients, and also serves as sub-advisor to third-party investment funds, including registered investment companies. As of December 31, 2016, it had provided advisory services to 21 open-end funds, 15 closed-end funds and one exchange traded managed fund.