 Ladenburg Thalmann Financial Services Inc. lessened its holdings in Guggenheim Taxabl Mncpl Mngd Drtn Trst NYSE:GBAB by 82.6 during the fourth quarter, according to the company in its most recent Form 13F filing with the Securities Exchange Commission. The institutional investor owned 4,648 shares of the investment management companys stock after selling 22,084 shares ... 