 Alliancebernstein L.P. grew its stake in UniFirst Corp NYSE:UNF by 0.8 in the 4th quarter, according to the company in its most recent filing with the Securities and Exchange Commission. The institutional investor owned 25,009 shares of the textile makers stock after buying an additional 198 shares during the period. Alliancebernstein L.P. owned 0.13 of ... 