Sumitomo Mitsui Trust Holdings, Inc., formerly Chuo Mitsui Trust Holdings, Inc. (中央三井トラスト・ホールディングス株式会社 Chūō Mitsui Torasuto Hōrudingusu Kabushiki-Kaisha) is a Japanese financial holding company headquarterd in Minato, Tokyo.
As of August 1, 2009, 30.29% of outstanding common stocks of Chuo Mitsui Trust Holdings are owned by the Resolution and Collection Corporation, which is a wholly owned subsidiary of Deposit Insurance Corporation of Japan, a semi-governmental organization.
Chuo Trust 
Mitsui Trust 
- 1924 - Mitsui zaibatsu spun off its trust division as Mitsui Trust & Banking.
- 2000 - Chuo Trust and Mitsui Trust merged to form The Chuo Mitsui Trust and Banking Co.
- 2001 - Chuo Mitsui purchased corporate custody unit from The Sakura Bank, now Chuo Mitsui Asset Trust.
- 2002 - Chuo Mitsui Trust Holdings was established to become the parent company to Chuo Mitsui group, in preparation for its business restructuring.
- 2011 - Sumitomo Mitsui Trust Holdings was established through the share exchange between Chuo Mitsui Trust Holdings and Sumitomo Trust and Banking Co., Ltd.
Operating subsidiaries 
- The Chuo Mitsui Trust and Banking Co.
- Diversified financial services, stock transfer agency services, real estate operations for individual and corporate clients
- Chuo Mitsui Asset Trust
- Trust asset management business, trust asset administration business and pension trust operations for institutional investors
- Chuo Mitsui Asset Management
- Mutual fund management
- Chuo Mitsui Capital
- Private equity fund management
See also