 Advisor Group Inc. increased its holdings in shares of Mainstay Definedterm Municipal Opptys Fd NYSE:MMD by 23.5 during the 4th quarter, Holdings Channel reports. The institutional investor owned 31,014 shares of the closed-end funds stock after purchasing an additional 5,897 shares during the period. Advisor Group Inc.s holdings in Mainstay Definedterm Municipal Opptys Fd were ... 