GAMCO Investors, Inc. operates as a holding company, which engages in the provision of investment advisory and asset management services. It provides investment services, which manages separate accounts for high net worth individuals, institutions, and qualified pension plans, and through the company's role as advisor to a family of mutual funds. Read More The firm offers its services to open-end fund, closed-end fund and private wealth management investors. The company was founded by Mario J. Gabelli in 1976 and is headquartered in Rye, NY.