Arix Bioscience's portfolio firm Amplyx snapped up by Pfizer Amplyx, which develops therapies for debilitating and life-threatening diseases that affect people with compromised immune systems, will be acquired by Pfizer following an initial investment from the pharma giant in 2019 Arix Bioscience PLC (LON:ARIX) said one of its portfolio companies, Amplyx Pharmaceuticals, is to be acquired by US pharma giant Pfizer Inc (NYSE:PFE) in a deal it said will result in a small increase to its holding in the firm. Amplyx, which develops therapies for debilitating and life-threatening diseases that aff...