 NEW YORK, May 26, 2021 PRNewswire -- SP SmallCap 600 constituent Crocs Inc. NASD:CROX will replace Cantel Medical Corp. NYSE:CMD in the SP MidCap 400, and Organogenesis Holdings Inc. NASD: ORGO will replace Crocs in the SP SmallCap 600 effective prior to the opening of trading on Wednesday, June 2, 2021. STERIS plc NYSE: STE is acquiring Cantel Medical in a deal expected to be completed soon pending final closing conditions. 