三菱UFJフィナンシャル・グループ
The company's shareholders are Mitsubishi UFJ Trust and Banking Corporation (46.5%), Nippon Life Insurance (33.5%), Meiji Yasuda Life Insurance (10%) and Norinchukin Trust &amp; Banking Co. (10%). Master Trust Bank is treated as a consolidated subsidiary of Mitsubishi UFJ Trust and Banking, and is by extension part of the Mitsubishi UFJ Financial Group.