{
  "spec_version": "3",
  "endpoint": "shareholders",
  "stock_code": "9987",
  "company_name": "スズケン",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/9987/shareholders/",
  "api_url": "/api/9987/shareholders.json",
  "updated": "2026-08-14",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/9987/shareholders/",
  "source": {
    "primary": [
      "有価証券報告書（大株主の状況）"
    ],
    "extraction": "EDINET の XBRL から機械抽出。1990 年代以前は旧有価証券報告書・年鑑類からの転記",
    "row_field": "source",
    "caveat": "持株比率は各期の開示値そのまま。信託口の名寄せは行っていない"
  },
  "shareholders": [
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 1,
      "name": "日本トラスティ・サービス信託銀行㈱（三井住友信託銀行再信託分・塩野義製薬㈱退職給付信託口）",
      "shareholding_ratio": 5.74,
      "shares_held": 5940000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 2,
      "name": "塩野義製薬㈱",
      "shareholding_ratio": 3.51,
      "shares_held": 3636000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 3,
      "name": "別 所 弘 子",
      "shareholding_ratio": 2.99,
      "shares_held": 3100000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 4,
      "name": "日本トラスティ・サービス信託銀行㈱（信託口）",
      "shareholding_ratio": 2.81,
      "shares_held": 2911000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 5,
      "name": "スズケングループ従業員持株会",
      "shareholding_ratio": 2.77,
      "shares_held": 2869000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 6,
      "name": "日本マスタートラスト信託銀行㈱（信託口）",
      "shareholding_ratio": 2.46,
      "shares_held": 2543000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 7,
      "name": "伊 澤 久 代",
      "shareholding_ratio": 2.33,
      "shares_held": 2408000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 8,
      "name": "エーザイ㈱",
      "shareholding_ratio": 2.01,
      "shares_held": 2081000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 9,
      "name": "アステラス製薬㈱",
      "shareholding_ratio": 1.86,
      "shares_held": 1931000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 10,
      "name": "日本トラスティ・サービス信託銀行㈱（信託口９）",
      "shareholding_ratio": 1.82,
      "shares_held": 1888000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 1,
      "name": "塩野義製薬㈱",
      "shareholding_ratio": 3.51,
      "shares_held": 3636000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 2,
      "name": "別 所 弘 子",
      "shareholding_ratio": 2.99,
      "shares_held": 3100000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 3,
      "name": "日本トラスティ・サービス信託銀行㈱ (信託口)",
      "shareholding_ratio": 2.83,
      "shares_held": 2930000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 4,
      "name": "日本トラスティ・サービス信託銀行㈱ (三井住友信託銀行再信託分・塩野義製薬㈱退職給付信託口)",
      "shareholding_ratio": 2.82,
      "shares_held": 2920000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 5,
      "name": "スズケングループ従業員持株会",
      "shareholding_ratio": 2.82,
      "shares_held": 2916000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 6,
      "name": "日本マスタートラスト信託銀行㈱（信託口）",
      "shareholding_ratio": 2.55,
      "shares_held": 2641000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 7,
      "name": "伊 澤 久 代",
      "shareholding_ratio": 2.32,
      "shares_held": 2404000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 8,
      "name": "エーザイ㈱",
      "shareholding_ratio": 2.01,
      "shares_held": 2081000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 9,
      "name": "アステラス製薬㈱",
      "shareholding_ratio": 1.86,
      "shares_held": 1931000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 10,
      "name": "別 所 芳 樹",
      "shareholding_ratio": 1.8,
      "shares_held": 1865000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 1,
      "name": "塩野義製薬㈱",
      "shareholding_ratio": 3.84,
      "shares_held": 3636000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 2,
      "name": "日本マスタートラスト信託銀行㈱（信託口）",
      "shareholding_ratio": 3.48,
      "shares_held": 3302000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 3,
      "name": "別 所 弘 子",
      "shareholding_ratio": 3.27,
      "shares_held": 3099000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 4,
      "name": "日本トラスティ・サービス信託銀行㈱（信託口）",
      "shareholding_ratio": 3.12,
      "shares_held": 2956000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 5,
      "name": "日本トラスティ・サービス信託銀行㈱（三井住友信託銀行再信託分・塩野義製薬㈱退職給付信託口）",
      "shareholding_ratio": 3.08,
      "shares_held": 2920000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 6,
      "name": "ＮＯＲＴＨＥＲＮ ＴＲＵＳＴ ＣＯ． （ＡＶＦＣ） ＲＥ ＳＩＬＣＨＥＳＴＥＲ ＩＮＴＥＲＮＡＴＩＯＮＡＬ ＩＮＶＥＳＴＯＲＳ ＩＮＴＥＲＮＡＴＩＯＮＡＬ ＶＡＬＵＥ ＥＱＵＩＴＹ ＴＲＵＳＴ （常任代理人 香港上海銀行東京支店 カストディ業務部）",
      "shareholding_ratio": 2.72,
      "shares_held": 2576000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 7,
      "name": "スズケングループ従業員持株会",
      "shareholding_ratio": 2.61,
      "shares_held": 2474000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 8,
      "name": "伊 澤 久 代",
      "shareholding_ratio": 2.53,
      "shares_held": 2400000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 9,
      "name": "エーザイ㈱",
      "shareholding_ratio": 2.19,
      "shares_held": 2081000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 10,
      "name": "別 所 芳 樹",
      "shareholding_ratio": 1.97,
      "shares_held": 1867000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 1,
      "name": "日本マスタートラスト信託銀行㈱（信託口）",
      "shareholding_ratio": 4.3,
      "shares_held": 3926000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 2,
      "name": "塩野義製薬㈱",
      "shareholding_ratio": 3.56,
      "shares_held": 3256000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 3,
      "name": "別 所 弘 子",
      "shareholding_ratio": 3.39,
      "shares_held": 3099000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 4,
      "name": "日本トラスティ・サービス信託銀行㈱（信託口）",
      "shareholding_ratio": 3.37,
      "shares_held": 3077000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 5,
      "name": "伊 澤 久 代",
      "shareholding_ratio": 2.62,
      "shares_held": 2396000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 6,
      "name": "スズケングループ従業員持株会",
      "shareholding_ratio": 2.49,
      "shares_held": 2273000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 7,
      "name": "エーザイ㈱",
      "shareholding_ratio": 2.28,
      "shares_held": 2081000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 8,
      "name": "別 所 芳 樹",
      "shareholding_ratio": 2.04,
      "shares_held": 1868000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 9,
      "name": "鈴 木 慶 子",
      "shareholding_ratio": 2.02,
      "shares_held": 1847000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 10,
      "name": "公益財団法人鈴木謙三記念医科学応用研究財団",
      "shareholding_ratio": 1.96,
      "shares_held": 1796000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 1,
      "name": "日本マスタートラスト信託銀行㈱（信託口）",
      "shareholding_ratio": 5.67,
      "shares_held": 5059000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 2,
      "name": "塩野義製薬㈱",
      "shareholding_ratio": 3.65,
      "shares_held": 3256000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 3,
      "name": "日本トラスティ・サービス信託銀行㈱（信託口）",
      "shareholding_ratio": 3.52,
      "shares_held": 3141000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 4,
      "name": "別 所 弘 子",
      "shareholding_ratio": 3.47,
      "shares_held": 3099000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 5,
      "name": "伊 澤 久 代",
      "shareholding_ratio": 2.68,
      "shares_held": 2394000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 6,
      "name": "スズケングループ従業員持株会",
      "shareholding_ratio": 2.43,
      "shares_held": 2172000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 7,
      "name": "別 所 芳 樹",
      "shareholding_ratio": 2.09,
      "shares_held": 1870000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 8,
      "name": "鈴 木 慶 子",
      "shareholding_ratio": 2.06,
      "shares_held": 1837000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 9,
      "name": "公益財団法人鈴木謙三記念医科学応用研究財団",
      "shareholding_ratio": 2.01,
      "shares_held": 1796000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 10,
      "name": "別 所 昌 樹",
      "shareholding_ratio": 1.95,
      "shares_held": 1747000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 1,
      "name": "日本マスタートラスト信託銀行㈱（信託口）",
      "shareholding_ratio": 7.09,
      "shares_held": 6327000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 2,
      "name": "㈱日本カストディ銀行（信託口）",
      "shareholding_ratio": 3.86,
      "shares_held": 3449000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 3,
      "name": "塩野義製薬㈱",
      "shareholding_ratio": 3.65,
      "shares_held": 3256000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 4,
      "name": "別 所 芳 樹",
      "shareholding_ratio": 3.46,
      "shares_held": 3090000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 5,
      "name": "永 井 知 佳",
      "shareholding_ratio": 3.36,
      "shares_held": 3000000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 6,
      "name": "ＮＯＲＴＨＥＲＮ ＴＲＵＳＴ ＣＯ． （ＡＶＦＣ） ＲＥ ＳＩＬＣＨＥＳＴＥＲ ＩＮＴＥＲＮＡＴＩＯＮＡＬ ＩＮＶＥＳＴＯＲＳ ＩＮＴＥＲＮＡＴＩＯＮＡＬ ＶＡＬＵＥ ＥＱＵＩＴＹ ＴＲＵＳＴ (常任代理人 香港上海銀行東京支店 カストディ業務部)",
      "shareholding_ratio": 2.99,
      "shares_held": 2669000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 7,
      "name": "伊 澤 久 代",
      "shareholding_ratio": 2.69,
      "shares_held": 2404000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 8,
      "name": "別 所 昌 樹",
      "shareholding_ratio": 2.53,
      "shares_held": 2265000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 9,
      "name": "スズケングループ従業員持株会",
      "shareholding_ratio": 2.41,
      "shares_held": 2152000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 10,
      "name": "鈴 木 慶 子",
      "shareholding_ratio": 2.05,
      "shares_held": 1837000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 1,
      "name": "日本マスタートラスト信託銀行㈱（信託口）",
      "shareholding_ratio": 13.16,
      "shares_held": 11574000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 2,
      "name": "ＮＯＲＴＨＥＲＮ ＴＲＵＳＴ ＣＯ． （ＡＶＦＣ） ＲＥ ＳＩＬＣＨＥＳＴＥＲ ＩＮＴＥＲＮＡＴＩＯＮＡＬ ＩＮＶＥＳＴＯＲＳ ＩＮＴＥＲＮＡＴＩＯＮＡＬ ＶＡＬＵＥ ＥＱＵＩＴＹ ＴＲＵＳＴ(常任代理人 香港上海銀行東京支店 カストディ業務部)",
      "shareholding_ratio": 5.04,
      "shares_held": 4436000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 3,
      "name": "塩野義製薬㈱",
      "shareholding_ratio": 3.7,
      "shares_held": 3256000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 4,
      "name": "㈱日本カストディ銀行（信託口）",
      "shareholding_ratio": 3.55,
      "shares_held": 3127000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 5,
      "name": "別 所 芳 樹",
      "shareholding_ratio": 3.51,
      "shares_held": 3090000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 6,
      "name": "伊 澤 久 代",
      "shareholding_ratio": 2.73,
      "shares_held": 2404000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 7,
      "name": "永 井 知 佳",
      "shareholding_ratio": 2.66,
      "shares_held": 2340000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 8,
      "name": "別 所 昌 樹",
      "shareholding_ratio": 2.57,
      "shares_held": 2265000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 9,
      "name": "ＮＯＲＴＨＥＲＮ ＴＲＵＳＴ ＣＯ． （ＡＶＦＣ） ＲＥ Ｕ．Ｓ． ＴＡＸ ＥＸＥＭＰＴＥＤ ＰＥＮＳＩＯＮ ＦＵＮＤＳ(常任代理人 香港上海銀行東京支店 カストディ業務部)",
      "shareholding_ratio": 2.55,
      "shares_held": 2243000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 10,
      "name": "スズケングループ従業員持株会",
      "shareholding_ratio": 2.19,
      "shares_held": 1930000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 1,
      "name": "日本マスタートラスト信託銀行㈱（信託口）",
      "shareholding_ratio": 12.21,
      "shares_held": 10105000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 2,
      "name": "ＮＯＲＴＨＥＲＮ ＴＲＵＳＴ ＣＯ． （ＡＶＦＣ） ＲＥ ＳＩＬＣＨＥＳＴＥＲ ＩＮＴＥＲＮＡＴＩＯＮＡＬ ＩＮＶＥＳＴＯＲＳ ＩＮＴＥＲＮＡＴＩＯＮＡＬ ＶＡＬＵＥ ＥＱＵＩＴＹ ＴＲＵＳＴ(常任代理人 香港上海銀行東京支店 カストディ業務部)",
      "shareholding_ratio": 5.97,
      "shares_held": 4941000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 3,
      "name": "㈱日本カストディ銀行（信託口）",
      "shareholding_ratio": 4.03,
      "shares_held": 3336000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 4,
      "name": "別 所 芳 樹",
      "shareholding_ratio": 2.95,
      "shares_held": 2441000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 5,
      "name": "伊 澤 久 代",
      "shareholding_ratio": 2.9,
      "shares_held": 2404000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 6,
      "name": "別 所 知 佳",
      "shareholding_ratio": 2.82,
      "shares_held": 2340000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 7,
      "name": "別 所 昌 樹",
      "shareholding_ratio": 2.73,
      "shares_held": 2265000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 8,
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