Roma capitale holds a 51% equity stake. According to Consob data, as at 31 December 2019 the other direct or indirect significant shareholdings are owned by Suez SA (over 23%) and Francesco Gaetano Caltagirone (approximately 5%). Of the remaining shares, more than 14% are held by leading institutional investors, whose geographical distribution denotes a greater presence of Italian shareholders, followed by those from the USA, Norway and England.

Acea ownership structure

Diagrams of the shareholders of the Acea Group