Sumitomo Chemical

Overview

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• Ticker4005 on Tokyo Stock Exchange¹
• HeadquartersChūō¹
• Founded inEhime Prefecture¹
• Websitewww.sumitomo-chem.co.jp
• Legal formkabushiki gaisha¹
• LEI353800RSAU9BD8U4DM91⁴
• StatusActive⁴
• LEI statusIssued and current⁴
• Registered address日本橋2丁目7番1号, 103-6020 東京都 中央区, Japan⁴
• Registered withLegal Affairs Bureau, 0100-01-071327⁴

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Sumitomo Chemical Co., Ltd. (住友化学株式会社, Sumitomo Kagaku Kabushiki-gaisha) is a major Japanese chemical company. The company is listed on the first section of the Tokyo Stock Exchange and is a constituent of the Nikkei 225 stock index. It is a member of the Sumitomo group and was founded in 1913 as a fertilizer manufacturing plant.³

Corporate structure

Sumitomo Chemical sits at the top of its group. 12 entities, 5 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; stakes of 5% or more it reported on Schedules 13D and 13G (2 companies). Each entity in the chart links to its source.

What it owns

What Sumitomo Chemical reports owning in its annual reports to the SEC: buildings, land and equipment, real estate and locations, investments, intangible assets and inventory, at the end of its latest fiscal year and a year before.

Stakes and holdings (Wikidata)

• Cambridge Display Technology

Things Wikidata records the company as owning, with the share when stated.¹

Subsidiaries and ownership

Owners

• The Master Trust Bank of Japan 15.7%
• Custody Bank of Japan 5.9%
• Sumitomo Life Insurance Company 4.3%
• Nippon Life Insurance Company 2.5%

Subsidiaries

• Sumitomo Chemical (United Kingdom)
• Sumitomo Pharma

Also owns

• Cambridge Display Technology

From Wikidata.¹

Timeline

1. 1913Founded Founded in Ehime Prefecture¹

Filings

7 filings to the SEC since October 2021: 1 large holders, 6 other. The latest 7:

1. Jun 2, 2026CB EDGAR
2. May 14, 2026F-X EDGAR
3. May 14, 2026CB EDGAR
4. Dec 3, 2025CB EDGAR
5. Oct 29, 2025F-X EDGAR
6. Oct 29, 2025CB EDGAR
7. Feb 7, 2023SC 13G EDGAR

Every filing from the last five years, summarized. The full record is on SEC EDGAR.

Major holders

Investors who own more than 5% of the shares must tell the SEC: a 13D if they may seek to influence the company, a 13G if they hold passively.

• BlackRockSC 13G, 1 filing Feb 7, 2023⁷

Stakes it holds

Sumitomo Chemical has told the SEC it owns more than 5% of 2 companies, latest first (Schedules 13D and 13G).

• RoivantSC 13G/A Feb 1, 2022 to Apr 2, 2024⁸
• Myovant Sciences Ltd.SC 13D/A Oct 27, 2021 to Mar 10, 2023⁹

SEC filer profile

How Sumitomo Chemical is registered with the Securities and Exchange Commission, from its EDGAR record and the cover page of its latest annual report.

• Name on EDGARSumitomo Chemical Co., Ltd.²
• CIK0001798550
• Employer ID (EIN)98-0339148²
• Incorporated inJapan²
• Fiscal year endsMarch 31²
• Business address7-1, Nihonbashi 2-Chome, Chuo-Ku, Tokyo, 103-6020, Japan²
• Phone813-5201-0222²
• On EDGAR sinceJan 3, 2020²
• Filings74 in all: 4 (44), SC 13D/A (13), CB (4), 3 (3), SC 13G/A (3), F-X (2), SC 13D (2), SC 13G (2)²
  All 9 form types

  4/A (1)

Links

• Websitewww.sumitomo-chem.co.jp¹
• Facebookwww.facebook.com/sumitomochemicalbrasil¹
• WikipediaSumitomo Chemical
• More imagesWikimedia Commons
• WikidataQ137803
• SEC EDGARCIK 1798550