Ryanair Holdings plc (ISE:RY4C) acquired remaining 25% stake in Laudamotion GmbH from Niki Lauda in late December, 2018. Post acquisition, Niki Lauda will stay on as the chairman of Laudamotion's board. Ryanair Holdings plc (ISE:RY4C) completed the acquisition of remaining 25% stake in Laudamotion GmbH from Niki Lauda in late December, 2018.