Teton Advisors Divests Keeley-Teton Advisory Assets to GAMCO InvestorsBusiness PenMay 7, 2025 May 7, 2025 Teton Advisors, Inc. (OTCQX: TETAA) has reached an agreement to sell the investment management account assets of its subsidiary, Keeley-Teton Advisors, LLC, to GAMCO Investors,...