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Private company

Otsuka Holdings

Logo: Otsuka Holdings, Public domain, via Wikimedia Commons3

Otsuka Holdings is a Japanese holding company based in Tokyo, founded in 2008.1

大塚ホールディングス株式会社（おおつかホールディングス、英: Otsuka Holdings Co.,Ltd.）は、東京都千代田区に本社、港区に東京本部を置き、大塚製薬や大塚製薬工場、大鵬薬品工業を傘下に持つ「大塚グループ」の持株会社。日経平均株価及びTOPIX Large70、JPX日経インデックス400の構成銘柄の一つ。2 From the Japanese Wikipedia, CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

Jul 8, 2008Founded1

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Otsuka group Osaka Newoffice 2021
Photo: Piyogoya0004, CC BY-SA 4.0, via Wikimedia Commons4

Corporate structure

Otsuka Holdings sits at the top of its group. 19 entities, 4 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries, stakes and holdings from Wikidata (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

Subsidiaries and ownership

Subsidiaries

From Wikidata.1

Acquisitions

  1. Oct 1, 2008Acquired Otsuka Pharmaceutical Factory1
  2. Jul 8, 2008Acquired Otsuka Pharmaceutical1

Timeline

  1. Jul 8, 2008Founded Founded1

Sources

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

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