 Alliancebernstein L.P. increased its position in JBG SMITH Properties NYSE:JBGS by 2.8 in the fourth quarter, according to the company in its most recent filing with the Securities Exchange Commission. The firm owned 253,848 shares of the companys stock after purchasing an additional 6,940 shares during the quarter. Alliancebernstein L.P. owned approximately 0.19 of ... 