It was FCA till about 2021 , FCA merged with PSA Group(owners of Peugeot,Citroën, DS, Opel and Vauxhall) and out came Stellantics.
Abarth, Alfa Romeo, Chrysler, Citroën, Dodge, DS Automobiles, Fiat, Jeep, Lancia, Maserati, Opel, Peugeot, Ram Trucks, and Vauxhall are all owned by Stellantics.