GAMCO Investors, Inc. is a holding company. Through its subsidiaries, the Company provides investment advisory services to open and closed-end funds, institutional and private wealth management investors and investment partnerships. It operates in the segment of investment advisory and asset management business. It conducts investment advisory business through its subsidiaries: GAMCO Asset Management Inc. (Institutional and Private Wealth Management), Gabelli Funds, LLC (Funds) and Gabelli Securities, Inc. (Investment Partnerships). It also acts as an underwriter and provides institutional research services through G.research, Inc. (G.research). G.distributors, LLC (G.distributors) acts as an underwriter and distributor of its open-end funds. Its assets under management (AUM) are organized into three groups: Investment Partnerships, Institutional and Private Wealth Management, and Open and Closed-End Funds. It markets products under the Gabelli and GAMCO brand names.