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7186 on Tokyo Stock Exchange

Bank of Yokohama

Logo: 株式会社横浜銀行, Public domain, via Wikimedia Commons3

Japanese bank

The Bank of Yokohama, Ltd. (株式会社横浜銀行, Kabushiki gaisha Yokohama Ginkō, BOY) is the largest regional bank in Japan. It is based and headquartered in Yokohama, and operates its businesses mainly in Kanagawa Prefecture and southwestern Tokyo. The bank is often called Hamagin (浜銀) for short by the locals.2 It employed 4,733 people.1 Its revenue was ¥292 billion in 2021.1 It is part of Yokohama Financial Group.1 Its shares trade on Tokyo Stock Exchange under the symbol 7186.1 Wikipedia text CC BY-SA 4.0

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Last updated Oct 21, 2026.

Overview

1920Founded1

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  • Ticker7186 on Tokyo Stock Exchange1
  • Industryeconomics of banking, financial sector1
  • HeadquartersBank of Yokohama Head Office Building1
  • Websitewww.boy.co.jp
  • Legal formkabushiki gaisha1

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Bank of Yokohama
Photo: Zairon, CC BY-SA 4.0, via Wikimedia Commons5

The Bank of Yokohama, Ltd. (株式会社横浜銀行, Kabushiki gaisha Yokohama Ginkō, BOY) is the largest regional bank in Japan. It is based and headquartered in Yokohama, and operates its businesses mainly in Kanagawa Prefecture and southwestern Tokyo. The bank is often called Hamagin (浜銀) for short by the locals. It has 632 domestic offices and five overseas offices (Shanghai, Singapore, Hong Kong, Bangkok and New York). It is a wholly owned subsidiary and the core arm of Concordia Financial Group, a Japanese bank holding company since 2016.2

Corporate structure

Bank of Yokohama is part of a group headed by Yokohama Financial Group. 6 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

Built from subsidiaries, stakes and holdings from Wikidata (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

The story

The bank was founded in 1920 as a regional bank to serve customers in Kanagawa Prefecture and southwestern Tokyo. It was formed in the wake of the collapse of several existing banks in the region, one of which (Dai-Ni Bank) began operations in 1869 as Yokohama Bank (横浜為替会社), the first modern financial institution in Japan; consequentially, Bank of Yokohama claims to have the longest history of any Japanese bank.

In 2015, Bank of Yokohama announced a merger with the smaller Higashi-Nippon Bank to create Concordia Financial Group, the largest regional bank holding company in Japan. Upon completion of this transaction in March 2016, Bank of Yokohama was de-listed, and Concordia took its place as a constituent of the Nikkei 225 stock market index.

From Wikipedia’s article on Bank of Yokohama, shared under CC BY-SA 4.0.4

Products and brands

Kanagawa Bank

Hamagin Tokai Tokyo Securities

Hamagin Finance

Hamagin Research Institute

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Sky Ocean Asset Management

Yokohama Capital

Yokohama Guarantee

Hamagin Business Challenged

Bankcard Service Japan

Bank Resona Perdania

From Wikipedia’s article on Bank of Yokohama, shared under CC BY-SA 4.0.4

Subsidiaries and ownership

Parent company

Subsidiaries

From Wikidata.1

Revenue over time

As stated on Wikidata, in the currency reported.

Revenue

  • 2021291.7B JPY1

Timeline

  1. 1920Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

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