Shareholders Information

Memorandum for Shareholders

Business year From April 1 every year to March 31 of the following year
Annual
shareholders'
meeting
Held in every June
Record date Annual shareholder's meeting: March 31 every year
Year-end dividend: March 31 every year
Interim dividend: September 30 every year
The day specified and notified in a prior public notice in cases otherwise necessary
Share unit
number
100 shares
Stock exchanges
where listed
Tokyo
Stock code 4506
Articles of Incorporation

Articles of Incorporation (PDF/185KB)

Shareholder Positioning (As of March 31, 2026)

Number of shares

Total number of authorized shares: 1,500,000,000
Total number of shares outstanding: 397,900,154 (Including number of treasury stock 611,105)

Number of shareholders

109,190

Number of shares by category

Number of shareholders by category

  • *Individuals and others (Including treasury stock)

Major shareholders

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Shareholders Number of shares held (Thousands) Percentage of shareholding(%)
Sumitomo Chemical Co., Ltd. 205,634 51.76
The Master Trust Bank of Japan, Ltd. (Trust account) 25,038 6.30
SMBC Trust Bank Ltd.
(Trust account for Sumitomo Mitsui Banking Corporation’s retirement benefits)
7,000 1.76
Custody Bank of Japan, Ltd. (Trust account) 6,219 1.57
Sumitomo Life Insurance Company 5,776 1.45
BNYM AS AGT/CLTS 10 PERCENT 4,573 1.15
Inabata & Co., Ltd. 4,400 1.11
THE BANK OF NEW YORK, TREATY JASDEC ACCOUNT 3,977 1.00
Nippon Life Insurance Company 3,790 0.95
J.P. MORGAN BANK LUXEMBOURG S.A. 381593 3,030 0.76
  • *1Percentage of shareholding is calculated excluding treasury stock (611,105 shares*).
    *Exclude 1,000 shares under name of the Company which are not owned by the Company substantially.
  • *2The numbers of shares held are rounded down to the nearest thousand shares.

Share Price and Trading Volume Trends (Tokyo Stock Exchange)

For details, please refer to Share Price Chart available under the Shareholders and Investors section.