{
  "commentary": [
    {
      "heading": null,
      "paragraphs": [
        "FY15時点では日本トラスティ・サービス信託銀行（信託口）5.78%を筆頭に、みずほ銀行・三井住友銀行・三菱商事など旧JX系のメインバンク・親密事業会社が分散保有する構造だった。",
        "FY24は日本マスタートラスト信託銀行（信託口）18.66%・日本カストディ銀行（信託口）6.36%の信託2口に集中し、外国法人勢のSTATE STREETやJPモルガン系が上位を占める機関化された浮動株主構造へシフトしている。"
      ]
    }
  ],
  "shareholders": [
    {
      "FY": "FY15",
      "period": "2016/3",
      "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": 5.78,
      "shares_held": 144229000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "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": 5.24,
      "shares_held": 130663000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 3,
      "name": "株式会社みずほ銀行 （常任代理人 資産管理サービス信託銀行株式会社）",
      "shareholding_ratio": 3.05,
      "shares_held": 76141000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 4,
      "name": "株式会社三井住友銀行",
      "shareholding_ratio": 2.62,
      "shares_held": 65398000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 5,
      "name": "三菱商事株式会社",
      "shareholding_ratio": 1.95,
      "shares_held": 48615000
    },
    {
      "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（信託口９）",
      "shareholding_ratio": 1.69,
      "shares_held": 42158000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 7,
      "name": "株式会社三菱東京ＵＦＪ銀行",
      "shareholding_ratio": 1.56,
      "shares_held": 38920000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 8,
      "name": "三菱ＵＦＪモルガン・スタンレー証券株式会社",
      "shareholding_ratio": 1.46,
      "shares_held": 36359000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 9,
      "name": "国際石油開発帝石株式会社",
      "shareholding_ratio": 1.33,
      "shares_held": 33264000
    },
    {
      "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": 1.27,
      "shares_held": 31616000
    },
    {
      "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": 9.46,
      "shares_held": 236023000
    },
    {
      "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": 5.37,
      "shares_held": 133964000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 3,
      "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": 2.65,
      "shares_held": 66023000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 4,
      "name": "三菱商事株式会社",
      "shareholding_ratio": 1.95,
      "shares_held": 48615000
    },
    {
      "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５）",
      "shareholding_ratio": 1.71,
      "shares_held": 42693000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 6,
      "name": "株式会社みずほ銀行 （常任代理人 資産管理サービス信託銀行株式会社）",
      "shareholding_ratio": 1.64,
      "shares_held": 40998000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 7,
      "name": "株式会社三菱東京ＵＦＪ銀行",
      "shareholding_ratio": 1.56,
      "shares_held": 38920000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 8,
      "name": "国際石油開発帝石株式会社",
      "shareholding_ratio": 1.33,
      "shares_held": 33264000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 9,
      "name": "株式会社三井住友銀行",
      "shareholding_ratio": 1.31,
      "shares_held": 32699000
    },
    {
      "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１）",
      "shareholding_ratio": 1.27,
      "shares_held": 31568000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "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": 8.5,
      "shares_held": 291010000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "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": 5.72,
      "shares_held": 195845000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 3,
      "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": 2.21,
      "shares_held": 75813000
    },
    {
      "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５）",
      "shareholding_ratio": 1.78,
      "shares_held": 60988000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 5,
      "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": 1.76,
      "shares_held": 60481000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "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１）",
      "shareholding_ratio": 1.32,
      "shares_held": 45221000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 7,
      "name": "日本トラスティ・サービス信託銀行株式会社（信託口２）",
      "shareholding_ratio": 1.3,
      "shares_held": 44733000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 8,
      "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": 1.26,
      "shares_held": 43263000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 9,
      "name": "JP MORGAN CHASE BANK 385151 （常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 1.25,
      "shares_held": 42857000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 10,
      "name": "株式会社みずほ銀行 （常任代理人 資産管理サービス信託銀行株式会社）",
      "shareholding_ratio": 1.19,
      "shares_held": 40998000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "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": 8.42,
      "shares_held": 281026000
    },
    {
      "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": 6.77,
      "shares_held": 225870000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 3,
      "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": 2.38,
      "shares_held": 79629000
    },
    {
      "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５）",
      "shareholding_ratio": 1.97,
      "shares_held": 66009000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 5,
      "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": 1.62,
      "shares_held": 54166000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 6,
      "name": "JP MORGAN CHASE BANK 385151 （常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 1.47,
      "shares_held": 49161000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 7,
      "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": 1.37,
      "shares_held": 45796000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "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１）",
      "shareholding_ratio": 1.32,
      "shares_held": 44079000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 9,
      "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": 1.24,
      "shares_held": 41462000
    },
    {
      "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２）",
      "shareholding_ratio": 1.22,
      "shares_held": 40820000
    },
    {
      "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": 7.59,
      "shares_held": 244666000
    },
    {
      "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": 6.29,
      "shares_held": 203002000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 3,
      "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": 2.57,
      "shares_held": 82896000
    },
    {
      "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７）",
      "shareholding_ratio": 2.28,
      "shares_held": 73590000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 5,
      "name": "全国共済農業協同組合連合会 （常任代理人 日本マスタートラスト信託銀行株式会社）",
      "shareholding_ratio": 2.21,
      "shares_held": 71398000
    },
    {
      "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５）",
      "shareholding_ratio": 1.9,
      "shares_held": 61281000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 7,
      "name": "ＳＭＢＣ日興証券株式会社",
      "shareholding_ratio": 1.84,
      "shares_held": 59321000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 8,
      "name": "JP MORGAN CHASE BANK 385151 （常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 1.63,
      "shares_held": 52551000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 9,
      "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": 1.5,
      "shares_held": 48480000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 10,
      "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": 1.24,
      "shares_held": 40127000
    },
    {
      "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": 8.29,
      "shares_held": 267252000
    },
    {
      "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": 5.43,
      "shares_held": 175122000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 3,
      "name": "株式会社日本カストディ銀行（信託口７）",
      "shareholding_ratio": 2.01,
      "shares_held": 64862000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 4,
      "name": "ＳＭＢＣ日興証券株式会社",
      "shareholding_ratio": 1.63,
      "shares_held": 52604000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 5,
      "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": 1.56,
      "shares_held": 50323000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 6,
      "name": "ＪＰモルガン証券株式会社",
      "shareholding_ratio": 1.52,
      "shares_held": 49300000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 7,
      "name": "株式会社日本カストディ銀行（信託口５）",
      "shareholding_ratio": 1.43,
      "shares_held": 46139000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 8,
      "name": "株式会社日本カストディ銀行（信託口９）",
      "shareholding_ratio": 1.38,
      "shares_held": 44799000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 9,
      "name": "株式会社日本カストディ銀行（信託口６）",
      "shareholding_ratio": 1.26,
      "shares_held": 40890000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 10,
      "name": "高知信用金庫",
      "shareholding_ratio": 1.25,
      "shares_held": 40570000
    },
    {
      "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": 16.81,
      "shares_held": 542031000
    },
    {
      "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": 5.07,
      "shares_held": 163410000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 3,
      "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": 1.81,
      "shares_held": 58565000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 4,
      "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": 1.73,
      "shares_held": 55769000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 5,
      "name": "高知信用金庫",
      "shareholding_ratio": 1.37,
      "shares_held": 44320000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 6,
      "name": "ＪＰモルガン証券株式会社",
      "shareholding_ratio": 1.33,
      "shares_held": 43160000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 7,
      "name": "JP MORGAN CHASE BANK 385781 （常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 1.19,
      "shares_held": 38367000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 8,
      "name": "STATE STREET BANK AND TRUST COMPANY 505103 （常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 1.14,
      "shares_held": 36889000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 9,
      "name": "株式会社ＩＮＰＥＸ",
      "shareholding_ratio": 1.03,
      "shares_held": 33264000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 10,
      "name": "ＥＮＥＯＳグループ従業員持株会",
      "shareholding_ratio": 0.89,
      "shares_held": 28831000
    },
    {
      "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": 18.32,
      "shares_held": 554510000
    },
    {
      "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": 6.79,
      "shares_held": 205481000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 3,
      "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": 2.25,
      "shares_held": 68346000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 4,
      "name": "高知信用金庫",
      "shareholding_ratio": 1.46,
      "shares_held": 44320000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 5,
      "name": "STATE STREET BANK AND TRUST COMPANY 505103 （常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 1.28,
      "shares_held": 38734000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 6,
      "name": "JP MORGAN CHASE BANK 385781 （常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 1.11,
      "shares_held": 33792000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 7,
      "name": "ＥＮＥＯＳグループ従業員持株会",
      "shareholding_ratio": 0.95,
      "shares_held": 28996000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 8,
      "name": "SSBTC CLIENT OMNIBUS ACCOUNT （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": 0.93,
      "shares_held": 28266000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 9,
      "name": "ＪＰモルガン証券株式会社",
      "shareholding_ratio": 0.9,
      "shares_held": 27245000
    },
    {
      "FY": "FY22",
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      "rank": 10,
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      "shareholding_ratio": null,
      "shares_held": 700000,
      "total_shares": 90000000,
      "source": "株式会社年鑑 昭和31年版"
    },
    {
      "FY": "FY55",
      "period": "1955/9",
      "company_name_at_period": "日本石油",
      "rank": 10,
      "name": "明治生命",
      "shareholding_ratio": null,
      "shares_held": 500000,
      "total_shares": 90000000,
      "source": "株式会社年鑑 昭和31年版"
    },
    {
      "FY": "FY60",
      "period": "1961/3",
      "company_name_at_period": "日本石油",
      "rank": 1,
      "name": "三菱信託銀行",
      "shareholding_ratio": 6.2,
      "shares_held": 12362000,
      "total_shares": 200000000,
      "source": "株式会社年鑑 昭和37年版"
    },
    {
      "FY": "FY60",
      "period": "1961/3",
      "company_name_at_period": "日本石油",
      "rank": 2,
      "name": "東洋信託銀行",
      "shareholding_ratio": 3,
      "shares_held": 6071000,
      "total_shares": 200000000,
      "source": "株式会社年鑑 昭和37年版"
    },
    {
      "FY": "FY60",
      "period": "1961/3",
      "company_name_at_period": "日本石油",
      "rank": 3,
      "name": "三井信託銀行",
      "shareholding_ratio": 1.7,
      "shares_held": 3464000,
      "total_shares": 200000000,
      "source": "株式会社年鑑 昭和37年版"
    },
    {
      "FY": "FY60",
      "period": "1961/3",
      "company_name_at_period": "日本石油",
      "rank": 4,
      "name": "住友信託銀行(東京)",
      "shareholding_ratio": 1.6,
      "shares_held": 3227000,
      "total_shares": 200000000,
      "source": "株式会社年鑑 昭和37年版"
    },
    {
      "FY": "FY60",
      "period": "1961/3",
      "company_name_at_period": "日本石油",
      "rank": 5,
      "name": "第百生命",
      "shareholding_ratio": 1.2,
      "shares_held": 2400000,
      "total_shares": 200000000,
      "source": "株式会社年鑑 昭和37年版"
    },
    {
      "FY": "FY60",
      "period": "1961/3",
      "company_name_at_period": "日本石油",
      "rank": 6,
      "name": "富士銀行",
      "shareholding_ratio": 1.1,
      "shares_held": 2200000,
      "total_shares": 200000000,
      "source": "株式会社年鑑 昭和37年版"
    },
    {
      "FY": "FY60",
      "period": "1961/3",
      "company_name_at_period": "日本石油",
      "rank": 7,
      "name": "三井銀行",
      "shareholding_ratio": 1.1,
      "shares_held": 2200000,
      "total_shares": 200000000,
      "source": "株式会社年鑑 昭和37年版"
    },
    {
      "FY": "FY60",
      "period": "1961/3",
      "company_name_at_period": "日本石油",
      "rank": 8,
      "name": "日本証券金融",
      "shareholding_ratio": 0.9,
      "shares_held": 1832000,
      "total_shares": 200000000,
      "source": "株式会社年鑑 昭和37年版"
    },
    {
      "FY": "FY60",
      "period": "1961/3",
      "company_name_at_period": "日本石油",
      "rank": 9,
      "name": "三井生命",
      "shareholding_ratio": 0.8,
      "shares_held": 1540000,
      "total_shares": 200000000,
      "source": "株式会社年鑑 昭和37年版"
    },
    {
      "FY": "FY60",
      "period": "1961/3",
      "company_name_at_period": "日本石油",
      "rank": 10,
      "name": "安田信託銀行",
      "shareholding_ratio": 0.7,
      "shares_held": 1355000,
      "total_shares": 200000000,
      "source": "株式会社年鑑 昭和37年版"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "日本石油",
      "rank": 1,
      "name": "三井銀行",
      "shareholding_ratio": 3.33,
      "shares_held": 15000000,
      "total_shares": null,
      "source": "日本企業要覧 1975年版"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "日本石油",
      "rank": 1,
      "name": "第一勧業銀行",
      "shareholding_ratio": 3.33,
      "shares_held": 15000000,
      "total_shares": null,
      "source": "日本企業要覧 1975年版"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "日本石油",
      "rank": 1,
      "name": "富士銀行",
      "shareholding_ratio": 3.33,
      "shares_held": 15000000,
      "total_shares": null,
      "source": "日本企業要覧 1975年版"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "日本石油",
      "rank": 4,
      "name": "三井生命保険",
      "shareholding_ratio": 2.32,
      "shares_held": 10450000,
      "total_shares": null,
      "source": "日本企業要覧 1975年版"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "日本石油",
      "rank": 5,
      "name": "第一生命保険",
      "shareholding_ratio": 2.13,
      "shares_held": 9600050,
      "total_shares": null,
      "source": "日本企業要覧 1975年版"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "日本石油",
      "rank": 6,
      "name": "三井信託銀行",
      "shareholding_ratio": 2.08,
      "shares_held": 9356000,
      "total_shares": null,
      "source": "日本企業要覧 1975年版"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "日本石油",
      "rank": 7,
      "name": "住友生命保険",
      "shareholding_ratio": 2.02,
      "shares_held": 9100500,
      "total_shares": null,
      "source": "日本企業要覧 1975年版"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "日本石油",
      "rank": 8,
      "name": "朝日生命保険",
      "shareholding_ratio": 1.78,
      "shares_held": 8000000,
      "total_shares": null,
      "source": "日本企業要覧 1975年版"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "日本石油",
      "rank": 9,
      "name": "安田生命保険",
      "shareholding_ratio": 1.56,
      "shares_held": 7000000,
      "total_shares": null,
      "source": "日本企業要覧 1975年版"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "日本石油",
      "rank": 10,
      "name": "日本火災海上保険",
      "shareholding_ratio": 1.49,
      "shares_held": 6709000,
      "total_shares": null,
      "source": "日本企業要覧 1975年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "日本石油",
      "rank": 1,
      "name": "日本証券金融",
      "shareholding_ratio": 6.05,
      "shares_held": 38591000,
      "total_shares": 638099000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "日本石油",
      "rank": 2,
      "name": "三井銀行",
      "shareholding_ratio": 3.26,
      "shares_held": 20790000,
      "total_shares": 638099000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "日本石油",
      "rank": 2,
      "name": "第一勧業銀行",
      "shareholding_ratio": 3.26,
      "shares_held": 20790000,
      "total_shares": 638099000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "日本石油",
      "rank": 2,
      "name": "富士銀行",
      "shareholding_ratio": 3.26,
      "shares_held": 20790000,
      "total_shares": 638099000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "日本石油",
      "rank": 5,
      "name": "安田信託銀行",
      "shareholding_ratio": 2.08,
      "shares_held": 13302000,
      "total_shares": 638099000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "日本石油",
      "rank": 6,
      "name": "三井生命保険",
      "shareholding_ratio": 1.9,
      "shares_held": 12132000,
      "total_shares": 638099000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "日本石油",
      "rank": 7,
      "name": "三井信託銀行",
      "shareholding_ratio": 1.62,
      "shares_held": 10366000,
      "total_shares": 638099000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "日本石油",
      "rank": 8,
      "name": "朝日生命保険",
      "shareholding_ratio": 1.59,
      "shares_held": 10140000,
      "total_shares": 638099000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "日本石油",
      "rank": 9,
      "name": "安田生命保険",
      "shareholding_ratio": 1.54,
      "shares_held": 9802000,
      "total_shares": 638099000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "日本石油",
      "rank": 10,
      "name": "日本火災海上保険",
      "shareholding_ratio": 1.47,
      "shares_held": 9405000,
      "total_shares": 638099000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY10",
      "period": "2011/3",
      "company_name_at_period": "JXホールディングス",
      "rank": 1,
      "name": "日本トラスティ・サービス信託銀行",
      "shareholding_ratio": 7.08,
      "shares_held": 176724000,
      "total_shares": null,
      "source": "有価証券報告書（2011年3月期）"
    },
    {
      "FY": "FY10",
      "period": "2011/3",
      "company_name_at_period": "JXホールディングス",
      "rank": 2,
      "name": "日本マスタートラスト信託銀行",
      "shareholding_ratio": 6.25,
      "shares_held": 156034000,
      "total_shares": null,
      "source": "有価証券報告書（2011年3月期）"
    },
    {
      "FY": "FY10",
      "period": "2011/3",
      "company_name_at_period": "JXホールディングス",
      "rank": 3,
      "name": "みずほコーポレート銀行",
      "shareholding_ratio": 2.62,
      "shares_held": 65451000,
      "total_shares": null,
      "source": "有価証券報告書（2011年3月期）"
    },
    {
      "FY": "FY10",
      "period": "2011/3",
      "company_name_at_period": "JXホールディングス",
      "rank": 4,
      "name": "三井住友銀行",
      "shareholding_ratio": 2.62,
      "shares_held": 65398000,
      "total_shares": null,
      "source": "有価証券報告書（2011年3月期）"
    },
    {
      "FY": "FY10",
      "period": "2011/3",
      "company_name_at_period": "JXホールディングス",
      "rank": 5,
      "name": "日本トラスティ・サービス信託銀行",
      "shareholding_ratio": 2.05,
      "shares_held": 51108000,
      "total_shares": null,
      "source": "有価証券報告書（2011年3月期）"
    },
    {
      "FY": "FY10",
      "period": "2011/3",
      "company_name_at_period": "JXホールディングス",
      "rank": 6,
      "name": "三菱商事",
      "shareholding_ratio": 1.95,
      "shares_held": 48683000,
      "total_shares": null,
      "source": "有価証券報告書（2011年3月期）"
    },
    {
      "FY": "FY10",
      "period": "2011/3",
      "company_name_at_period": "JXホールディングス",
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      "shareholding_ratio": 1.91,
      "shares_held": 47766000,
      "total_shares": null,
      "source": "有価証券報告書（2011年3月期）"
    },
    {
      "FY": "FY10",
      "period": "2011/3",
      "company_name_at_period": "JXホールディングス",
      "rank": 8,
      "name": "三菱東京UFJ銀行",
      "shareholding_ratio": 1.56,
      "shares_held": 38920000,
      "total_shares": null,
      "source": "有価証券報告書（2011年3月期）"
    },
    {
      "FY": "FY10",
      "period": "2011/3",
      "company_name_at_period": "JXホールディングス",
      "rank": 9,
      "name": "NT FE GOVT OF SPORE INVT CORP P LTD",
      "shareholding_ratio": 1.53,
      "shares_held": 38080000,
      "total_shares": null,
      "source": "有価証券報告書（2011年3月期）"
    },
    {
      "FY": "FY10",
      "period": "2011/3",
      "company_name_at_period": "JXホールディングス",
      "rank": 10,
      "name": "国際石油開発帝石",
      "shareholding_ratio": 1.33,
      "shares_held": 33265000,
      "total_shares": null,
      "source": "有価証券報告書（2011年3月期）"
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "company_name_at_period": "JXホールディングス",
      "rank": 1,
      "name": "日本トラスティ・サービス信託銀行",
      "shareholding_ratio": 5.78,
      "shares_held": 144229000,
      "total_shares": null,
      "source": "有価証券報告書（2016年3月期）"
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "company_name_at_period": "JXホールディングス",
      "rank": 2,
      "name": "日本マスタートラスト信託銀行",
      "shareholding_ratio": 5.24,
      "shares_held": 130663000,
      "total_shares": null,
      "source": "有価証券報告書（2016年3月期）"
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "company_name_at_period": "JXホールディングス",
      "rank": 3,
      "name": "みずほ銀行",
      "shareholding_ratio": 3.05,
      "shares_held": 76141000,
      "total_shares": null,
      "source": "有価証券報告書（2016年3月期）"
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "company_name_at_period": "JXホールディングス",
      "rank": 4,
      "name": "三井住友銀行",
      "shareholding_ratio": 2.62,
      "shares_held": 65398000,
      "total_shares": null,
      "source": "有価証券報告書（2016年3月期）"
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "company_name_at_period": "JXホールディングス",
      "rank": 5,
      "name": "三菱商事",
      "shareholding_ratio": 1.95,
      "shares_held": 48615000,
      "total_shares": null,
      "source": "有価証券報告書（2016年3月期）"
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "company_name_at_period": "JXホールディングス",
      "rank": 6,
      "name": "日本トラスティ・サービス信託銀行",
      "shareholding_ratio": 1.69,
      "shares_held": 42158000,
      "total_shares": null,
      "source": "有価証券報告書（2016年3月期）"
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "company_name_at_period": "JXホールディングス",
      "rank": 7,
      "name": "三菱東京UFJ銀行",
      "shareholding_ratio": 1.56,
      "shares_held": 38920000,
      "total_shares": null,
      "source": "有価証券報告書（2016年3月期）"
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "company_name_at_period": "JXホールディングス",
      "rank": 8,
      "name": "三菱UFJモルガン・スタンレー証券",
      "shareholding_ratio": 1.46,
      "shares_held": 36359000,
      "total_shares": null,
      "source": "有価証券報告書（2016年3月期）"
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "company_name_at_period": "JXホールディングス",
      "rank": 9,
      "name": "国際石油開発帝石",
      "shareholding_ratio": 1.33,
      "shares_held": 33264000,
      "total_shares": null,
      "source": "有価証券報告書（2016年3月期）"
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "company_name_at_period": "JXホールディングス",
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      "shareholding_ratio": 1.27,
      "shares_held": 31616000,
      "total_shares": null,
      "source": "有価証券報告書（2016年3月期）"
    }
  ]
}
