 Alliancebernstein L.P. trimmed its stake in Steris PLC NYSE:STE by 2.3 in the 1st quarter, according to the company in its most recent filing with the Securities and Exchange Commission. The institutional investor owned 136,177 shares of the medical equipment providers stock after selling 3,265 shares during the period. Alliancebernstein L.P. owned 0.16 of Steris ... 