Sumitomo Mitsui Trust Holdings, Inc. (SMTH) , formerly Chuo Mitsui Trust Holdings, Inc., is a Japanese financial holding company headquartered in Chiyoda, Tokyo. It provides an assortment of financial solutions and financial products to retail and wholesale customers, with a focus on asset management, financial brokerage and real estate services.
Sumitomo Mitsui Trust Bank, Ltd is SMTH’s main operating company. It is the largest trust company and the fifth-largest bank in Japan measured by assets.