Sumitomo Mitsui Trust Holdings

Sumitomo Mitsui Trust Holdings, Inc.
Public KK
Traded as TYO: 8309
Industry Financial Services
Founded 2002 (as Chuo Mitsui Trust Holdings, Inc.)
Headquarters Tokyo, Japan
Area served
Key people
Kazuo Tanabe, President
Services Personal banking
Corporate banking
Asset management
Investment management
83.7 billion JPY (FY 2014)[1]
Total assets 45.7 trillion JPY (Dec. 2014)[2]
Number of employees
21,113 (2015)

Sumitomo Mitsui Trust Holdings, Inc. (三井住友トラスト・ホールディングス株式会社 Mitsui Sumitomo Torasuto Hōrudingusu Kabushiki Gaisha), 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.[3]

Its main operating company is Sumitomo Mitsui Trust Bank, Limited (三井住友信託銀行株式会社 Mitsui Sumitomo Shintaku Ginkō Kabushiki Gaisha), which is the largest trust company and the fifth-largest bank in Japan measured by assets.

The company has no capital relationship with the Sumitomo Mitsui Financial Group; the two banking groups are similarly named because both are descended from the historical Sumitomo and Mitsui conglomerates.


Chuo Mitsui

SMT's earliest predecessor was The Mitsui Trust Company, Limited, established in March 1924 with capital of 30 million yen. In March 1948, it changed its name to The Tokyo Trust & Banking Co., Ltd. It changed its name again to The Mitsui Trust and Banking Company, Limited in 1952.[4]

The Chuo Trust & Banking Co., Ltd. was established in May 1962 with capital of 2.5 billion yen and support from Tokai Bank, Dai-Ichi Bank, Industrial Bank of Japan and other financial institutions. It took over Tokai and Dai-Ichi's trust businesses as well as the stock transfer agency business of Japan Securities Agents, Ltd. It acquired the Honshu operations of Hokkaido Takushoku Bank in 1998.[4]

Mitsui Trust and Chuo Trust signed a merger agreement in May 1999 and completed their merger in April 2000, becoming The Chuo Mitsui Trust and Banking Company, Limited (中央三井信託銀行株式会社). In 2001, Chuo Mitsui announced its plans to establish a new bank holding company known as Mitsui Trust Holdings, Inc., which was formed in February 2002. It changed its name to 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) in 2007.[4]

Sumitomo Trust

Sumitomo Trust Co., Ltd. was founded in July 1925 with capital of 20 million yen and its headquarters in Awajicho, Osaka. It changed its name to Fuji Trust & Banking Co., Ltd. in 1948 and adopted the name The Sumitomo Trust and Banking Co., Ltd. (住友信託銀行株式会社) in 1952. In 1962 it moved its headquarters to the Sumitomo Building in Kitahama, Osaka.[5]


Chuo Mitsui agreed to merge with The Sumitomo Trust and Banking Co., Ltd. in November 2009, and formed a holding company, Sumitomo Mitsui Trust Holdings, Inc., by a share exchange between Chuo Mitsui and Sumitomo Trust in April 2011. The three main trust banks under this holding company merged in April 2012 to form Sumitomo Mitsui Trust Bank, Limited.[4] SMTB became the largest trust bank in Japan and the fifth-largest commercial bank overall measured by assets.[6]

SMTB was fined for insider trading in 2012, after a Chuo Mitsui fund manager was found to have traded on information leaked from Nomura Securities regarding a 2010 share issuance by Mizuho Financial Group.[7]

Group companies

Mitsui Honkan (historic Mitsui headquarters) in Nihonbashi, Tokyo, currently an SMTB branch office
SMTB branch in Hirakata, Osaka


  1. "Status of Profit and Loss". Sumitomo Mitsui Trust Holdings, Inc. Retrieved 24 April 2015.
  2. "Financial Results for the Nine Months Ended December 31, 2014" (PDF). Sumitomo Mitsui Trust Holdings, Inc. Retrieved 24 April 2015.
  3. "Outline of Business". Sumitomo Mitsui Trust Holdings, Inc. Retrieved 24 April 2015.
  4. 1 2 3 4 "History Chuo Mitsui Trust Group". Sumitomo Mitsui Trust Holdings, Inc. Retrieved 24 April 2015.
  5. "History The Sumitomo Trust & Banking Co., Ltd.". Sumitomo Mitsui Trust Holdings, Inc. Retrieved 24 April 2015.
  6. Saito, Tokuhiko (2 April 2012). "Japan's largest trust bank is born". The Asahi Shimbun. Retrieved 24 April 2015.
  7. "SESC: Fine Sumitomo Mitsui Trust ¥80,000 for insider trading scam". The Japan Times. Jiji. 31 May 2012. Retrieved 24 April 2015.
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