Acadia in process of purchasing The Priory Group for £1.5bn

US behavioural healthcare giant Acadia is in the process of acquiring The Priory Group from its private equity owners Advent International for £1.5bn.The enterprise value, which includes a cash consideration of £1.28bn alongside 5.36 million shares worth around £230m, represents 10.3 times Priory’s 2015 estimated adjusted EBITDA of £151m ($216m), including £14m ($20m) of cost…