 Alliancebernstein L.P. grew its holdings in General Motors NYSE:GM TSE:GMM.U by 2.0 in the 1st quarter, according to the company in its most recent 13F filing with the SEC. The institutional investor owned 2,007,616 shares of the auto manufacturers stock after purchasing an additional 38,439 shares during the quarter. Alliancebernstein L.P. owned approximately 0.14 of ... 