CDPQ completes acquisition of 30 per cent stake in BT Holdco February 15, 2016 | Europe Finance Canada-based Caisse de Dépôt et Placement du Québec (CDPQ) has acquired a 30 per cent stake in Bombardier Transportation (Investment) UK Limited (BT Holdco) for USD1.5 billion. BT ... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password