 Oxford BioMedica PLC AIM:OXB, Smith Nephew PLC LSE:SN and Spire Healthcare Group Plc LSE:SPI are among UK midcap health-care companies vulnerable to takeovers from private-equity PE firms, investment bank RBC Group says. The stocks trade below historical multiples and have under-geared balance sheets - making them ripe for PE firms seemingly well-funded and large trade players having strong balance sheets, and in some cases post-COVID earnings holes to fill, according to the bank. 