{
  "commentary": "- FY79時点では住友生命3.67%、住友銀行3.35%、住友商事3.21%、住友信託銀行2.82%など住友グループ各社が並ぶ親密株主構造だった。\n- FY24ではトヨタ自動車4.02%の長期保有は継続する一方、日本マスタートラスト信託銀行16.57%・日本カストディ銀行7.02%へ集中化し、外国法人比率は35.53%へ上昇している。",
  "shareholders": [
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 1,
      "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": 33656000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 2,
      "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": 5.5,
      "shares_held": 31996000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 3,
      "name": "トヨタ自動車株式会社",
      "shareholding_ratio": 3.25,
      "shares_held": 18916000
    },
    {
      "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９）",
      "shareholding_ratio": 1.58,
      "shares_held": 9210000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 5,
      "name": "株式会社三井住友銀行",
      "shareholding_ratio": 1.32,
      "shares_held": 7650000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 6,
      "name": "住友不動産株式会社",
      "shareholding_ratio": 1.29,
      "shares_held": 7490000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 7,
      "name": "住友生命保険相互会社",
      "shareholding_ratio": 1.29,
      "shares_held": 7474000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 8,
      "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": 1.25,
      "shares_held": 7249000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 9,
      "name": "住友商事株式会社",
      "shareholding_ratio": 1.2,
      "shares_held": 7000000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 10,
      "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": 1.16,
      "shares_held": 6749000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 1,
      "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": 7.22,
      "shares_held": 41993000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "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": 6.76,
      "shares_held": 39326000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 3,
      "name": "トヨタ自動車株式会社",
      "shareholding_ratio": 3.8,
      "shares_held": 22116000
    },
    {
      "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５）",
      "shareholding_ratio": 1.71,
      "shares_held": 9954000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 5,
      "name": "日本トラスティ・サービス信託銀行株式会社（信託口９）",
      "shareholding_ratio": 1.35,
      "shares_held": 7826000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 6,
      "name": "株式会社三井住友銀行",
      "shareholding_ratio": 1.32,
      "shares_held": 7650000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 7,
      "name": "住友不動産株式会社",
      "shareholding_ratio": 1.29,
      "shares_held": 7490000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 8,
      "name": "住友生命保険相互会社",
      "shareholding_ratio": 1.29,
      "shares_held": 7474000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "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１）",
      "shareholding_ratio": 1.27,
      "shares_held": 7377000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "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７）",
      "shareholding_ratio": 1.26,
      "shares_held": 7304000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 1,
      "name": "日本マスタートラスト信託銀行株式会社（信託口）",
      "shareholding_ratio": 7.96,
      "shares_held": 21864000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 2,
      "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": 7.27,
      "shares_held": 19987000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 3,
      "name": "トヨタ自動車株式会社",
      "shareholding_ratio": 4.02,
      "shares_held": 11058000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 4,
      "name": "STATE STREET BANK AND TRUST COMPANY",
      "shareholding_ratio": 1.89,
      "shares_held": 5192000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 5,
      "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": 1.76,
      "shares_held": 4830000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 6,
      "name": "STATE STREET BANK WEST CLIENT - TREATY 505234",
      "shareholding_ratio": 1.69,
      "shares_held": 4637000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 7,
      "name": "STATE STREET BANK CLIENT OMNIBUS OM04",
      "shareholding_ratio": 1.41,
      "shares_held": 3877000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 8,
      "name": "株式会社三井住友銀行",
      "shareholding_ratio": 1.39,
      "shares_held": 3825000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 9,
      "name": "住友不動産株式会社",
      "shareholding_ratio": 1.36,
      "shares_held": 3745000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 10,
      "name": "住友生命保険相互会社",
      "shareholding_ratio": 1.36,
      "shares_held": 3737000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 1,
      "name": "日本マスタートラスト信託銀行株式会社（信託口）",
      "shareholding_ratio": 9.07,
      "shares_held": 24914000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 2,
      "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": 7.13,
      "shares_held": 19578000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 3,
      "name": "トヨタ自動車株式会社",
      "shareholding_ratio": 4.02,
      "shares_held": 11058000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 4,
      "name": "JP MORGAN CHASE BANK 385632",
      "shareholding_ratio": 2.25,
      "shares_held": 6171000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 5,
      "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": 1.93,
      "shares_held": 5314000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 6,
      "name": "STATE STREET BANK CLIENT OMNIBUS OM04",
      "shareholding_ratio": 1.41,
      "shares_held": 3871000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 7,
      "name": "株式会社三井住友銀行",
      "shareholding_ratio": 1.39,
      "shares_held": 3825000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 8,
      "name": "住友不動産株式会社",
      "shareholding_ratio": 1.36,
      "shares_held": 3745000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 9,
      "name": "STATE STREET BANK WEST CLIENT - TREATY 505234）",
      "shareholding_ratio": 1.36,
      "shares_held": 3744000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 10,
      "name": "住友生命保険相互会社",
      "shareholding_ratio": 1.36,
      "shares_held": 3737000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 1,
      "name": "日本マスタートラスト信託銀行株式会社（信託口）",
      "shareholding_ratio": 10.01,
      "shares_held": 27512000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 2,
      "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": 7.05,
      "shares_held": 19365000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 3,
      "name": "トヨタ自動車株式会社",
      "shareholding_ratio": 4.02,
      "shares_held": 11058000
    },
    {
      "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５）",
      "shareholding_ratio": 1.87,
      "shares_held": 5152000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 5,
      "name": "JP MORGAN CHASE BANK 385151",
      "shareholding_ratio": 1.51,
      "shares_held": 4162000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 6,
      "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": 1.48,
      "shares_held": 4078000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 7,
      "name": "株式会社三井住友銀行",
      "shareholding_ratio": 1.39,
      "shares_held": 3825000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 8,
      "name": "JP MORGAN CHASE BANK 385632",
      "shareholding_ratio": 1.37,
      "shares_held": 3770000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 9,
      "name": "住友不動産株式会社",
      "shareholding_ratio": 1.36,
      "shares_held": 3745000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 10,
      "name": "住友生命保険相互会社",
      "shareholding_ratio": 1.36,
      "shares_held": 3737000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 1,
      "name": "日本マスタートラスト信託銀行株式会社（信託口）",
      "shareholding_ratio": 11.36,
      "shares_held": 31202400
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 2,
      "name": "株式会社日本カストディ銀行（信託口）",
      "shareholding_ratio": 7.02,
      "shares_held": 19281800
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 3,
      "name": "トヨタ自動車株式会社",
      "shareholding_ratio": 4.02,
      "shares_held": 11058000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 4,
      "name": "JP MORGAN CHASE BANK 385632",
      "shareholding_ratio": 1.55,
      "shares_held": 4270187
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 5,
      "name": "STATE STREET BANK WEST CLIENT - TREATY 505234",
      "shareholding_ratio": 1.43,
      "shares_held": 3922815
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 6,
      "name": "株式会社日本カストディ銀行（信託口５）",
      "shareholding_ratio": 1.41,
      "shares_held": 3879100
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 7,
      "name": "株式会社三井住友銀行",
      "shareholding_ratio": 1.39,
      "shares_held": 3825245
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 8,
      "name": "住友不動産株式会社",
      "shareholding_ratio": 1.36,
      "shares_held": 3745055
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 9,
      "name": "住友生命保険相互会社",
      "shareholding_ratio": 1.36,
      "shares_held": 3737000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 10,
      "name": "株式会社日本カストディ銀行（信託口７）",
      "shareholding_ratio": 1.33,
      "shares_held": 3643900
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 1,
      "name": "日本マスタートラスト信託銀行株式会社（信託口）",
      "shareholding_ratio": 17.98,
      "shares_held": 49394700
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 2,
      "name": "株式会社日本カストディ銀行（信託口）",
      "shareholding_ratio": 7.09,
      "shares_held": 19479500
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 3,
      "name": "トヨタ自動車株式会社",
      "shareholding_ratio": 4.02,
      "shares_held": 11058000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 4,
      "name": "STATE STREET BANK WEST CLIENT - TREATY 505234",
      "shareholding_ratio": 1.71,
      "shares_held": 4701815
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 5,
      "name": "住友不動産株式会社",
      "shareholding_ratio": 1.36,
      "shares_held": 3745055
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 6,
      "name": "住友生命保険相互会社",
      "shareholding_ratio": 1.36,
      "shares_held": 3737000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 7,
      "name": "JPモルガン証券株式会社",
      "shareholding_ratio": 1.28,
      "shares_held": 3511002
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 8,
      "name": "住友商事株式会社",
      "shareholding_ratio": 1.27,
      "shares_held": 3500000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 9,
      "name": "SMBC日興証券株式会社",
      "shareholding_ratio": 1.24,
      "shares_held": 3412859
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 10,
      "name": "THE BANK OF NEW YORK MELLON 140051",
      "shareholding_ratio": 1.14,
      "shares_held": 3128700
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 1,
      "name": "日本マスタートラスト信託銀行株式会社（信託口）",
      "shareholding_ratio": 16.59,
      "shares_held": 45593100
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 2,
      "name": "株式会社日本カストディ銀行（信託口）",
      "shareholding_ratio": 6.76,
      "shares_held": 18566500
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 3,
      "name": "トヨタ自動車株式会社",
      "shareholding_ratio": 4.02,
      "shares_held": 11058000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 4,
      "name": "STATE STREET BANK WEST CLIENT - TREATY 505234",
      "shareholding_ratio": 1.75,
      "shares_held": 4812715
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 5,
      "name": "住友不動産株式会社",
      "shareholding_ratio": 1.36,
      "shares_held": 3745055
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 6,
      "name": "住友生命保険相互会社",
      "shareholding_ratio": 1.36,
      "shares_held": 3737000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 7,
      "name": "JPモルガン証券株式会社",
      "shareholding_ratio": 1.3,
      "shares_held": 3573651
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 8,
      "name": "SMBC日興証券株式会社",
      "shareholding_ratio": 1.18,
      "shares_held": 3236875
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 9,
      "name": "JP MORGAN CHASE BANK 385781",
      "shareholding_ratio": 1.14,
      "shares_held": 3122696
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 10,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 1.13,
      "shares_held": 3109932
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 1,
      "name": "日本マスタートラスト信託銀行株式会社（信託口）",
      "shareholding_ratio": 15.98,
      "shares_held": 43895900
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 2,
      "name": "株式会社日本カストディ銀行（信託口）",
      "shareholding_ratio": 6.8,
      "shares_held": 18682600
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 3,
      "name": "トヨタ自動車株式会社",
      "shareholding_ratio": 4.02,
      "shares_held": 11058000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 4,
      "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": 1.97,
      "shares_held": 5406815
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 5,
      "name": "STATE STREET BANK AND TRUST COMPANY 505001 （常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 1.65,
      "shares_held": 4543393
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 6,
      "name": "住友不動産株式会社",
      "shareholding_ratio": 1.36,
      "shares_held": 3745055
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 7,
      "name": "住友生命保険相互会社",
      "shareholding_ratio": 1.36,
      "shares_held": 3737000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 8,
      "name": "BNYM AS AGT/CLTS NON TREATY JASDEC （常任代理人 株式会社三菱ＵＦＪ銀行）",
      "shareholding_ratio": 1.24,
      "shares_held": 3402989
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 9,
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      "name": "住友信託銀行",
      "shareholding_ratio": 2.82,
      "shares_held": 8092000,
      "total_shares": 286634000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "住友金属鉱山",
      "rank": 6,
      "name": "野村證券",
      "shareholding_ratio": 2.75,
      "shares_held": 7891000,
      "total_shares": 286634000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "住友金属鉱山",
      "rank": 7,
      "name": "日興證券",
      "shareholding_ratio": 2.59,
      "shares_held": 7427000,
      "total_shares": 286634000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "住友金属鉱山",
      "rank": 8,
      "name": "住友海上火災保険",
      "shareholding_ratio": 1.8,
      "shares_held": 5145000,
      "total_shares": 286634000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "住友金属鉱山",
      "rank": 9,
      "name": "住友電気工業",
      "shareholding_ratio": 1.76,
      "shares_held": 5038000,
      "total_shares": 286634000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "住友金属鉱山",
      "rank": 10,
      "name": "日本興業銀行",
      "shareholding_ratio": 1.53,
      "shares_held": 4384000,
      "total_shares": 286634000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY05",
      "period": "2006/3",
      "company_name_at_period": "住友金属鉱山",
      "rank": 1,
      "name": "日本トラスティ・サービス信託銀行",
      "shareholding_ratio": 9.48,
      "shares_held": 54303000,
      "total_shares": null,
      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY05",
      "period": "2006/3",
      "company_name_at_period": "住友金属鉱山",
      "rank": 2,
      "name": "日本マスタートラスト信託銀行",
      "shareholding_ratio": 7.35,
      "shares_held": 42102000,
      "total_shares": null,
      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY05",
      "period": "2006/3",
      "company_name_at_period": "住友金属鉱山",
      "rank": 3,
      "name": "日本証券金融",
      "shareholding_ratio": 1.98,
      "shares_held": 11361000,
      "total_shares": null,
      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY05",
      "period": "2006/3",
      "company_name_at_period": "住友金属鉱山",
      "rank": 4,
      "name": "指定単受託者三井アセット信託銀行１口",
      "shareholding_ratio": 1.39,
      "shares_held": 7965000,
      "total_shares": null,
      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY05",
      "period": "2006/3",
      "company_name_at_period": "住友金属鉱山",
      "rank": 5,
      "name": "ステート ストリート バンク アンド トラスト カンパニー 505103",
      "shareholding_ratio": 1.35,
      "shares_held": 7718000,
      "total_shares": null,
      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY05",
      "period": "2006/3",
      "company_name_at_period": "住友金属鉱山",
      "rank": 6,
      "name": "三井住友銀行",
      "shareholding_ratio": 1.34,
      "shares_held": 7650000,
      "total_shares": null,
      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY05",
      "period": "2006/3",
      "company_name_at_period": "住友金属鉱山",
      "rank": 7,
      "name": "資産管理サービス信託銀行（信託Ｂ口）",
      "shareholding_ratio": 1.29,
      "shares_held": 7394000,
      "total_shares": null,
      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY05",
      "period": "2006/3",
      "company_name_at_period": "住友金属鉱山",
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      "name": "住友生命保険",
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      "shares_held": 7104000,
      "total_shares": null,
      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY05",
      "period": "2006/3",
      "company_name_at_period": "住友金属鉱山",
      "rank": 9,
      "name": "ゴールドマン・サックス・インターナショナル",
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      "shares_held": 6964000,
      "total_shares": null,
      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY05",
      "period": "2006/3",
      "company_name_at_period": "住友金属鉱山",
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      "name": "ビー・エヌ・ピー・パリバ・セキュリティーズ（ジャパン）リミテッド",
      "shareholding_ratio": 1.05,
      "shares_held": 5999000,
      "total_shares": null,
      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY09",
      "period": "2010/3",
      "company_name_at_period": "住友金属鉱山",
      "rank": 1,
      "name": "日本トラスティ・サービス信託銀行（信託口）",
      "shareholding_ratio": 7.56,
      "shares_held": 43964000,
      "total_shares": null,
      "source": "有価証券報告書（2010年3月期）"
    },
    {
      "FY": "FY09",
      "period": "2010/3",
      "company_name_at_period": "住友金属鉱山",
      "rank": 2,
      "name": "日本マスタートラスト信託銀行（信託口）",
      "shareholding_ratio": 6.12,
      "shares_held": 35588000,
      "total_shares": null,
      "source": "有価証券報告書（2010年3月期）"
    },
    {
      "FY": "FY09",
      "period": "2010/3",
      "company_name_at_period": "住友金属鉱山",
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      "shareholding_ratio": 1.79,
      "shares_held": 10393000,
      "total_shares": null,
      "source": "有価証券報告書（2010年3月期）"
    },
    {
      "FY": "FY09",
      "period": "2010/3",
      "company_name_at_period": "住友金属鉱山",
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      "name": "住友金属工業",
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      "shares_held": 8715000,
      "total_shares": null,
      "source": "有価証券報告書（2010年3月期）"
    },
    {
      "FY": "FY09",
      "period": "2010/3",
      "company_name_at_period": "住友金属鉱山",
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      "name": "三井住友銀行",
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      "shares_held": 7650000,
      "total_shares": null,
      "source": "有価証券報告書（2010年3月期）"
    },
    {
      "FY": "FY09",
      "period": "2010/3",
      "company_name_at_period": "住友金属鉱山",
      "rank": 6,
      "name": "住友生命保険",
      "shareholding_ratio": 1.29,
      "shares_held": 7474000,
      "total_shares": null,
      "source": "有価証券報告書（2010年3月期）"
    },
    {
      "FY": "FY09",
      "period": "2010/3",
      "company_name_at_period": "住友金属鉱山",
      "rank": 7,
      "name": "住友商事",
      "shareholding_ratio": 1.2,
      "shares_held": 7000000,
      "total_shares": null,
      "source": "有価証券報告書（2010年3月期）"
    },
    {
      "FY": "FY09",
      "period": "2010/3",
      "company_name_at_period": "住友金属鉱山",
      "rank": 8,
      "name": "NT RE GOVT OF SPORE INVT CORP P. LTD",
      "shareholding_ratio": 1.19,
      "shares_held": 6912000,
      "total_shares": null,
      "source": "有価証券報告書（2010年3月期）"
    },
    {
      "FY": "FY09",
      "period": "2010/3",
      "company_name_at_period": "住友金属鉱山",
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      "name": "SSBT OD05 OMNIBUS ACCOUNT CHINA TREATY CLIENTS",
      "shareholding_ratio": 1.15,
      "shares_held": 6715000,
      "total_shares": null,
      "source": "有価証券報告書（2010年3月期）"
    },
    {
      "FY": "FY09",
      "period": "2010/3",
      "company_name_at_period": "住友金属鉱山",
      "rank": 10,
      "name": "資産管理サービス信託銀行（証券投資信託口）",
      "shareholding_ratio": 1.02,
      "shares_held": 5920000,
      "total_shares": null,
      "source": "有価証券報告書（2010年3月期）"
    },
    {
      "FY": "FY14",
      "period": "2015/3",
      "company_name_at_period": "住友金属鉱山",
      "rank": 1,
      "name": "日本トラスティ・サービス信託銀行（信託口）",
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      "shares_held": 30319000,
      "total_shares": null,
      "source": "有価証券報告書（2015年3月期）"
    },
    {
      "FY": "FY14",
      "period": "2015/3",
      "company_name_at_period": "住友金属鉱山",
      "rank": 2,
      "name": "日本マスタートラスト信託銀行（信託口）",
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      "shares_held": 27868000,
      "total_shares": null,
      "source": "有価証券報告書（2015年3月期）"
    },
    {
      "FY": "FY14",
      "period": "2015/3",
      "company_name_at_period": "住友金属鉱山",
      "rank": 3,
      "name": "トヨタ自動車",
      "shareholding_ratio": 3.25,
      "shares_held": 18916000,
      "total_shares": null,
      "source": "有価証券報告書（2015年3月期）"
    },
    {
      "FY": "FY14",
      "period": "2015/3",
      "company_name_at_period": "住友金属鉱山",
      "rank": 4,
      "name": "三井住友銀行",
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      "shares_held": 7650000,
      "total_shares": null,
      "source": "有価証券報告書（2015年3月期）"
    },
    {
      "FY": "FY14",
      "period": "2015/3",
      "company_name_at_period": "住友金属鉱山",
      "rank": 5,
      "name": "住友不動産",
      "shareholding_ratio": 1.28,
      "shares_held": 7490000,
      "total_shares": null,
      "source": "有価証券報告書（2015年3月期）"
    },
    {
      "FY": "FY14",
      "period": "2015/3",
      "company_name_at_period": "住友金属鉱山",
      "rank": 6,
      "name": "住友生命保険",
      "shareholding_ratio": 1.28,
      "shares_held": 7474000,
      "total_shares": null,
      "source": "有価証券報告書（2015年3月期）"
    },
    {
      "FY": "FY14",
      "period": "2015/3",
      "company_name_at_period": "住友金属鉱山",
      "rank": 7,
      "name": "THE BANK OF NEW YORK MELLON SA/NV 10",
      "shareholding_ratio": 1.23,
      "shares_held": 7157000,
      "total_shares": null,
      "source": "有価証券報告書（2015年3月期）"
    },
    {
      "FY": "FY14",
      "period": "2015/3",
      "company_name_at_period": "住友金属鉱山",
      "rank": 8,
      "name": "STATE STREET BANK AND TRUST COMPANY 505225",
      "shareholding_ratio": 1.21,
      "shares_held": 7053000,
      "total_shares": null,
      "source": "有価証券報告書（2015年3月期）"
    },
    {
      "FY": "FY14",
      "period": "2015/3",
      "company_name_at_period": "住友金属鉱山",
      "rank": 9,
      "name": "住友商事",
      "shareholding_ratio": 1.2,
      "shares_held": 7000000,
      "total_shares": null,
      "source": "有価証券報告書（2015年3月期）"
    },
    {
      "FY": "FY14",
      "period": "2015/3",
      "company_name_at_period": "住友金属鉱山",
      "rank": 10,
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      "shareholding_ratio": 1.19,
      "shares_held": 6958000,
      "total_shares": null,
      "source": "有価証券報告書（2015年3月期）"
    }
  ]
}
