{
  "commentary": "- FY05からFY24まで親会社の住友化学が一貫して51.76%を保有し、稲畑産業・日本生命・住友生命・住友グループ各社が連なる住友系親会社支配構造を維持している。\n- 一方で稲畑産業はFY05の8.36%からFY24の1.46%へ漸減し、信託2口（マスタートラスト・カストディ）と外国法人の比率が上昇している。",
  "shareholders": [
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 1,
      "name": "住友化学株式会社",
      "shareholding_ratio": 50.12,
      "shares_held": 199434000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 2,
      "name": "稲畑産業株式会社",
      "shareholding_ratio": 6.86,
      "shares_held": 27282000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 3,
      "name": "日本マスタートラスト信託銀行株式会社（信託口）",
      "shareholding_ratio": 4.11,
      "shares_held": 16373000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 4,
      "name": "日本トラスティ・サービス信託銀行株式会社（信託口）",
      "shareholding_ratio": 2.52,
      "shares_held": 10018000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 5,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 1.91,
      "shares_held": 7581000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 6,
      "name": "日本トラスティ・サービス信託銀行株式会社（株式会社三井住友銀行退職給付信託口）",
      "shareholding_ratio": 1.76,
      "shares_held": 7000000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 7,
      "name": "住友生命保険相互会社",
      "shareholding_ratio": 1.45,
      "shares_held": 5776000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 8,
      "name": "あいおいニッセイ同和損害保険株式会社",
      "shareholding_ratio": 1.11,
      "shares_held": 4435000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 9,
      "name": "NORTHERN TRUST CO. (AVFC) RE U.S. TAX EXEMPTED PENSION FUNDS",
      "shareholding_ratio": 1.08,
      "shares_held": 4310000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 10,
      "name": "大日本住友製薬従業員持株会",
      "shareholding_ratio": 1.07,
      "shares_held": 4248000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 1,
      "name": "住友化学株式会社",
      "shareholding_ratio": 50.55,
      "shares_held": 201134000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 2,
      "name": "稲畑産業株式会社",
      "shareholding_ratio": 6.43,
      "shares_held": 25582000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 3,
      "name": "日本マスタートラスト信託銀行株式会社（信託口）",
      "shareholding_ratio": 4.31,
      "shares_held": 17153000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 4,
      "name": "日本トラスティ・サービス信託銀行株式会社（信託口）",
      "shareholding_ratio": 2.54,
      "shares_held": 10089000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 5,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 1.91,
      "shares_held": 7581000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 6,
      "name": "日本トラスティ・サービス信託銀行株式会社（株式会社三井住友銀行退職給付信託口）",
      "shareholding_ratio": 1.76,
      "shares_held": 7000000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 7,
      "name": "住友生命保険相互会社",
      "shareholding_ratio": 1.45,
      "shares_held": 5776000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 8,
      "name": "あいおいニッセイ同和損害保険株式会社",
      "shareholding_ratio": 1.11,
      "shares_held": 4435000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 9,
      "name": "大日本住友製薬従業員持株会",
      "shareholding_ratio": 0.93,
      "shares_held": 3687000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 10,
      "name": "資産管理サービス信託銀行株式会社（証券投資信託口）",
      "shareholding_ratio": 0.87,
      "shares_held": 3477000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 1,
      "name": "住友化学株式会社",
      "shareholding_ratio": 51.56,
      "shares_held": 204834000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 2,
      "name": "稲畑産業株式会社",
      "shareholding_ratio": 5.51,
      "shares_held": 21882000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 3,
      "name": "日本マスタートラスト信託銀行株式会社（信託口）",
      "shareholding_ratio": 5.41,
      "shares_held": 21478000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 4,
      "name": "日本トラスティ・サービス信託銀行株式会社（信託口）",
      "shareholding_ratio": 3.27,
      "shares_held": 12976000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 5,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 1.91,
      "shares_held": 7581000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 6,
      "name": "株式会社SMBC信託銀行（株式会社三井住友銀行退職給付信託口）",
      "shareholding_ratio": 1.76,
      "shares_held": 7000000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 7,
      "name": "住友生命保険相互会社",
      "shareholding_ratio": 1.45,
      "shares_held": 5776000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 8,
      "name": "あいおいニッセイ同和損害保険株式会社",
      "shareholding_ratio": 1.12,
      "shares_held": 4435000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 9,
      "name": "資産管理サービス信託銀行株式会社（証券投資信託口）",
      "shareholding_ratio": 0.91,
      "shares_held": 3597000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 10,
      "name": "大日本住友製薬従業員持株会",
      "shareholding_ratio": 0.88,
      "shares_held": 3486000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 1,
      "name": "住友化学株式会社",
      "shareholding_ratio": 51.76,
      "shares_held": 205634000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 2,
      "name": "日本マスタートラスト信託銀行株式会社（信託口）",
      "shareholding_ratio": 7.24,
      "shares_held": 28769000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 3,
      "name": "稲畑産業株式会社",
      "shareholding_ratio": 5.08,
      "shares_held": 20182000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 4,
      "name": "日本トラスティ・サービス信託銀行株式会社（信託口）",
      "shareholding_ratio": 3.21,
      "shares_held": 12756000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 5,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 1.91,
      "shares_held": 7581000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 6,
      "name": "株式会社SMBC信託銀行（株式会社三井住友銀行退職給付信託口）",
      "shareholding_ratio": 1.76,
      "shares_held": 7000000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 7,
      "name": "住友生命保険相互会社",
      "shareholding_ratio": 1.45,
      "shares_held": 5776000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 8,
      "name": "あいおいニッセイ同和損害保険株式会社",
      "shareholding_ratio": 1.12,
      "shares_held": 4435000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 9,
      "name": "資産管理サービス信託銀行株式会社（証券投資信託口）",
      "shareholding_ratio": 0.82,
      "shares_held": 3251000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 10,
      "name": "日本トラスティ・サービス信託銀行株式会社（信託口５）",
      "shareholding_ratio": 0.73,
      "shares_held": 2908000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 1,
      "name": "住友化学株式会社",
      "shareholding_ratio": 51.76,
      "shares_held": 205634000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 2,
      "name": "日本マスタートラスト信託銀行株式会社（信託口）",
      "shareholding_ratio": 7.39,
      "shares_held": 29364000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 3,
      "name": "稲畑産業株式会社",
      "shareholding_ratio": 4.67,
      "shares_held": 18555000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 4,
      "name": "日本トラスティ・サービス信託銀行株式会社（信託口）",
      "shareholding_ratio": 2.96,
      "shares_held": 11742000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 5,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 1.91,
      "shares_held": 7581000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 6,
      "name": "株式会社SMBC信託銀行（株式会社三井住友銀行退職給付信託口）",
      "shareholding_ratio": 1.76,
      "shares_held": 7000000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 7,
      "name": "住友生命保険相互会社",
      "shareholding_ratio": 1.45,
      "shares_held": 5776000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 8,
      "name": "BNYM SA/NV FOR BNYM GCM CLIENT ACCTS M ILM FE",
      "shareholding_ratio": 1.24,
      "shares_held": 4907000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 9,
      "name": "日本トラスティ・サービス信託銀行株式会社（信託口７）",
      "shareholding_ratio": 0.93,
      "shares_held": 3676000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 10,
      "name": "あいおいニッセイ同和損害保険株式会社",
      "shareholding_ratio": 0.78,
      "shares_held": 3104000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 1,
      "name": "住友化学株式会社",
      "shareholding_ratio": 51.76,
      "shares_held": 205634000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 2,
      "name": "日本マスタートラスト信託銀行株式会社（信託口）",
      "shareholding_ratio": 7.98,
      "shares_held": 31715000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 3,
      "name": "稲畑産業株式会社",
      "shareholding_ratio": 4.22,
      "shares_held": 16782000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 4,
      "name": "株式会社日本カストディ銀行（信託口）",
      "shareholding_ratio": 3.23,
      "shares_held": 12828000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 5,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 1.91,
      "shares_held": 7581000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 6,
      "name": "株式会社SMBC信託銀行（株式会社三井住友銀行退職給付信託口）",
      "shareholding_ratio": 1.76,
      "shares_held": 7000000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 7,
      "name": "住友生命保険相互会社",
      "shareholding_ratio": 1.45,
      "shares_held": 5776000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 8,
      "name": "株式会社日本カストディ銀行（信託口７）",
      "shareholding_ratio": 1.04,
      "shares_held": 4145000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 9,
      "name": "大日本住友製薬株式会社従業員持株会",
      "shareholding_ratio": 0.74,
      "shares_held": 2934000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 10,
      "name": "あいおいニッセイ同和損害保険株式会社",
      "shareholding_ratio": 0.67,
      "shares_held": 2661000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 1,
      "name": "住友化学株式会社",
      "shareholding_ratio": 51.76,
      "shares_held": 205634000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 2,
      "name": "日本マスタートラスト信託銀行株式会社（信託口）",
      "shareholding_ratio": 10.2,
      "shares_held": 40506000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 3,
      "name": "稲畑産業株式会社",
      "shareholding_ratio": 3.47,
      "shares_held": 13782000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 4,
      "name": "株式会社日本カストディ銀行（信託口）",
      "shareholding_ratio": 3,
      "shares_held": 11906000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 5,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 1.91,
      "shares_held": 7581000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 6,
      "name": "株式会社SMBC信託銀行（株式会社三井住友銀行退職給付信託口）",
      "shareholding_ratio": 1.76,
      "shares_held": 7000000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 7,
      "name": "住友生命保険相互会社",
      "shareholding_ratio": 1.45,
      "shares_held": 5776000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 8,
      "name": "STATE STREET BANK WEST CLIENT – TREATY 505234（常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 0.74,
      "shares_held": 2937000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 9,
      "name": "大日本住友製薬株式会社従業員持株会",
      "shareholding_ratio": 0.73,
      "shares_held": 2907000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 10,
      "name": "株式会社日本カストディ銀行（証券投資信託口）",
      "shareholding_ratio": 0.68,
      "shares_held": 2695000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 1,
      "name": "住友化学株式会社",
      "shareholding_ratio": 51.76,
      "shares_held": 205634000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 2,
      "name": "日本マスタートラスト信託銀行株式会社（信託口）",
      "shareholding_ratio": 9.94,
      "shares_held": 39494000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 3,
      "name": "株式会社日本カストディ銀行（信託口）",
      "shareholding_ratio": 3.98,
      "shares_held": 15797000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 4,
      "name": "稲畑産業株式会社",
      "shareholding_ratio": 2.46,
      "shares_held": 9782000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 5,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 1.91,
      "shares_held": 7581000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 6,
      "name": "株式会社SMBC信託銀行（株式会社三井住友銀行退職給付信託口）",
      "shareholding_ratio": 1.76,
      "shares_held": 7000000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 7,
      "name": "住友生命保険相互会社",
      "shareholding_ratio": 1.45,
      "shares_held": 5776000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 8,
      "name": "住友ファーマ従業員持株会",
      "shareholding_ratio": 0.79,
      "shares_held": 3136000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 9,
      "name": "BNYM AS AGT/CLTS NON TREATY JASDEC（常任代理人 株式会社三菱ＵＦＪ銀行）",
      "shareholding_ratio": 0.78,
      "shares_held": 3098000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 10,
      "name": "あいおいニッセイ同和損害保険株式会社",
      "shareholding_ratio": 0.67,
      "shares_held": 2661000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 1,
      "name": "住友化学株式会社",
      "shareholding_ratio": 51.76,
      "shares_held": 205634000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 2,
      "name": "日本マスタートラスト信託銀行株式会社（信託口）",
      "shareholding_ratio": 5.79,
      "shares_held": 22995000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 3,
      "name": "株式会社日本カストディ銀行（信託口）",
      "shareholding_ratio": 2.79,
      "shares_held": 11100000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 4,
      "name": "稲畑産業株式会社",
      "shareholding_ratio": 2.21,
      "shares_held": 8782000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 5,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 1.91,
      "shares_held": 7581000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 6,
      "name": "株式会社SMBC信託銀行（株式会社三井住友銀行退職給付信託口）",
      "shareholding_ratio": 1.76,
      "shares_held": 7000000
    },
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      "FY": "FY23",
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    {
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      "source": "日本企業要覧 1975年版"
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    {
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      "source": "日本企業要覧 1975年版"
    },
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      "source": "日本企業要覧 1975年版"
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}