{
  "commentary": [
    {
      "heading": null,
      "paragraphs": [
        "FY79（旧三菱金属時点）では明治生命6.64%、三菱信託銀行5.24%、三菱銀行4.47%、三菱商事1.36%など三菱グループ親密株主が中核を占めていた。",
        "FY24では日本マスタートラスト信託銀行18.61%が筆頭となり信託2口で約24%に集中化、Silchester系を含む外国法人比率は30.65%へ上昇する一方、三菱重工・明治安田生命の親密保有は維持されている。"
      ]
    }
  ],
  "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": 6.54,
      "shares_held": 85997000
    },
    {
      "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": 4.09,
      "shares_held": 53820000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 3,
      "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": 2.38,
      "shares_held": 31351000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 4,
      "name": "明治安田生命保険相互会社 （常任代理人 資産管理サービス信託銀行株式会社）",
      "shareholding_ratio": 2.36,
      "shares_held": 31018931
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 5,
      "name": "MSIP CLIENT SECURITIES （常任代理人 モルガン・スタンレーMUFG証券株式会社）",
      "shareholding_ratio": 2.29,
      "shares_held": 30058000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 6,
      "name": "株式会社三菱東京ＵＦＪ銀行",
      "shareholding_ratio": 1.87,
      "shares_held": 24651308
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 7,
      "name": "三菱重工業株式会社",
      "shareholding_ratio": 1.45,
      "shares_held": 19000589
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 8,
      "name": "三菱地所株式会社",
      "shareholding_ratio": 1.32,
      "shares_held": 17397000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "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": 1.31,
      "shares_held": 17263749
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 10,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 1.27,
      "shares_held": 16736614
    },
    {
      "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": 6.86,
      "shares_held": 9025900
    },
    {
      "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": 4.56,
      "shares_held": 5997600
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 3,
      "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": 2.38,
      "shares_held": 3135100
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 4,
      "name": "明治安田生命保険相互会社 （常任代理人 資産管理サービス信託銀行株式会社）",
      "shareholding_ratio": 2.36,
      "shares_held": 3101893
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 5,
      "name": "株式会社三菱東京ＵＦＪ銀行",
      "shareholding_ratio": 1.87,
      "shares_held": 2465130
    },
    {
      "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（信託口５）",
      "shareholding_ratio": 1.83,
      "shares_held": 2399800
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 7,
      "name": "三菱重工業株式会社",
      "shareholding_ratio": 1.45,
      "shares_held": 1900058
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "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": 1.35,
      "shares_held": 1772574
    },
    {
      "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２）",
      "shareholding_ratio": 1.34,
      "shares_held": 1761300
    },
    {
      "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": 1.33,
      "shares_held": 1747900
    },
    {
      "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": 6.14,
      "shares_held": 8042300
    },
    {
      "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": 5.31,
      "shares_held": 6948100
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 3,
      "name": "明治安田生命保険相互会社 （常任代理人 資産管理サービス信託銀行株式会社）",
      "shareholding_ratio": 2.37,
      "shares_held": 3101893
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 4,
      "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": 1.94,
      "shares_held": 2546100
    },
    {
      "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": 1.91,
      "shares_held": 2496100
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 6,
      "name": "株式会社三菱東京ＵＦＪ銀行",
      "shareholding_ratio": 1.88,
      "shares_held": 2465130
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 7,
      "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": 1.68,
      "shares_held": 2197198
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 8,
      "name": "GOVERNMENT OF NORWAY （常任代理人 シティバンク、エヌ・エイ・東京支店）",
      "shareholding_ratio": 1.5,
      "shares_held": 1966790
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 9,
      "name": "三菱重工業株式会社",
      "shareholding_ratio": 1.45,
      "shares_held": 1900058
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "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": 1.41,
      "shares_held": 1848700
    },
    {
      "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": 6.81,
      "shares_held": 8912600
    },
    {
      "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": 6.36,
      "shares_held": 8328800
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 3,
      "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）",
      "shareholding_ratio": 3.99,
      "shares_held": 5230700
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 4,
      "name": "明治安田生命保険相互会社 （常任代理人 資産管理サービス信託銀行株式会社）",
      "shareholding_ratio": 2.37,
      "shares_held": 3101893
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 5,
      "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）",
      "shareholding_ratio": 2.18,
      "shares_held": 2857800
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "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": 1.96,
      "shares_held": 2562300
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 7,
      "name": "株式会社三菱ＵＦＪ銀行",
      "shareholding_ratio": 1.6,
      "shares_held": 2095430
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "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": 1.48,
      "shares_held": 1937862
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 9,
      "name": "NORTHERN TRUST CO.（AVFC） SUB A／C NON TREATY （常任代理人 香港上海銀行東京支店）",
      "shareholding_ratio": 1.47,
      "shares_held": 1921192
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 10,
      "name": "三菱重工業株式会社",
      "shareholding_ratio": 1.45,
      "shares_held": 1900058
    },
    {
      "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": 7.31,
      "shares_held": 9575900
    },
    {
      "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": 6.56,
      "shares_held": 8594000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 3,
      "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）",
      "shareholding_ratio": 4.41,
      "shares_held": 5769400
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 4,
      "name": "明治安田生命保険相互会社 （常任代理人 資産管理サービス信託銀行株式会社）",
      "shareholding_ratio": 2.37,
      "shares_held": 3101893
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 5,
      "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）",
      "shareholding_ratio": 2.37,
      "shares_held": 3097100
    },
    {
      "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": 2.03,
      "shares_held": 2659300
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 7,
      "name": "日本トラスティ・サービス 信託銀行（信託口９）",
      "shareholding_ratio": 1.88,
      "shares_held": 2461400
    },
    {
      "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": 1.72,
      "shares_held": 2248574
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 9,
      "name": "NORTHERN TRUST CO.（AVFC） SUB A／C NON TREATY （常任代理人 香港上海銀行東京支店）",
      "shareholding_ratio": 1.57,
      "shares_held": 2054079
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 10,
      "name": "株式会社三菱ＵＦＪ銀行",
      "shareholding_ratio": 1.53,
      "shares_held": 2003030
    },
    {
      "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": 8.8,
      "shares_held": 11519700
    },
    {
      "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": 6.73,
      "shares_held": 8807500
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 3,
      "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)",
      "shareholding_ratio": 5.25,
      "shares_held": 6873100
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 4,
      "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)",
      "shareholding_ratio": 3.04,
      "shares_held": 3979900
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 5,
      "name": "明治安田生命保険相互会社 (常任代理人 株式会社日本カストディ銀行)",
      "shareholding_ratio": 2.37,
      "shares_held": 3101893
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 6,
      "name": "NORTHERN TRUST CO.(AVFC) SUB A/C NON TREATY (常任代理人 香港上海銀行東京支店)",
      "shareholding_ratio": 1.7,
      "shares_held": 2231788
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 7,
      "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": 1.53,
      "shares_held": 2003713
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 8,
      "name": "株式会社三菱ＵＦＪ銀行",
      "shareholding_ratio": 1.53,
      "shares_held": 2003030
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 9,
      "name": "株式会社日本カストディ銀行（信託口５）",
      "shareholding_ratio": 1.53,
      "shares_held": 2002000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 10,
      "name": "三菱重工業株式会社",
      "shareholding_ratio": 1.45,
      "shares_held": 1900058
    },
    {
      "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": 16.03,
      "shares_held": 20979800
    },
    {
      "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": 6.7,
      "shares_held": 8768600
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 3,
      "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)",
      "shareholding_ratio": 6.46,
      "shares_held": 8455200
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 4,
      "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)",
      "shareholding_ratio": 3.21,
      "shares_held": 4200600
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 5,
      "name": "明治安田生命保険相互会社 (常任代理人 株式会社日本カストディ銀行)",
      "shareholding_ratio": 2.37,
      "shares_held": 3101893
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 6,
      "name": "NORTHERN TRUST CO.(AVFC) SUB A/C NON TREATY (常任代理人 香港上海銀行東京支店)",
      "shareholding_ratio": 2.03,
      "shares_held": 2663488
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 7,
      "name": "BBH FOR GLOBAL X COPPER MINERS ETF (常任代理人 株式会社三菱ＵＦＪ銀行)",
      "shareholding_ratio": 1.61,
      "shares_held": 2106295
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 8,
      "name": "NORTHERN TRUST CO．（AVFC） RE IEDU UCITS CLIENTS NON LENDING 15 PCT TREATY ACCOUNT （常任代理人 香港上海銀行東京支店）",
      "shareholding_ratio": 1.56,
      "shares_held": 2041100
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 9,
      "name": "NORTHERN TRUST CO． （AVFC） RE SILCHESTER INTERNATIONAL INVESTORS TOBACCO FREE INTERNATIONAL VALUE EQUITY TRUST （常任代理人 香港上海銀行東京支店）",
      "shareholding_ratio": 1.46,
      "shares_held": 1915900
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 10,
      "name": "STATE STREET BANK AND TRUST COMPANY 505103 （株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 1.34,
      "shares_held": 1759213
    },
    {
      "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": 16.04,
      "shares_held": 20990200
    },
    {
      "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）",
      "shareholding_ratio": 7.68,
      "shares_held": 10044300
    },
    {
      "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": 7.57,
      "shares_held": 9908100
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 4,
      "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）",
      "shareholding_ratio": 3.25,
      "shares_held": 4250400
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 5,
      "name": "NORTHERN TRUST CO.（AVFC） RE NON TREATY CLIENTS ACCOUNT （常任代理人 香港上海銀行東京支店）",
      "shareholding_ratio": 2.53,
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      "shares_held": 1470000,
      "total_shares": 42000000,
      "source": "株式会社年鑑 昭和31年版"
    },
    {
      "FY": "FY55",
      "period": "1955/9",
      "company_name_at_period": "三菱金属鉱業",
      "rank": 3,
      "name": "日本生命",
      "shareholding_ratio": null,
      "shares_held": 1280000,
      "total_shares": 42000000,
      "source": "株式会社年鑑 昭和31年版"
    },
    {
      "FY": "FY55",
      "period": "1955/9",
      "company_name_at_period": "三菱金属鉱業",
      "rank": 4,
      "name": "住友信託",
      "shareholding_ratio": null,
      "shares_held": 1262440,
      "total_shares": 42000000,
      "source": "株式会社年鑑 昭和31年版"
    },
    {
      "FY": "FY55",
      "period": "1955/9",
      "company_name_at_period": "三菱金属鉱業",
      "rank": 5,
      "name": "大和銀行",
      "shareholding_ratio": null,
      "shares_held": 1054000,
      "total_shares": 42000000,
      "source": "株式会社年鑑 昭和31年版"
    },
    {
      "FY": "FY55",
      "period": "1955/9",
      "company_name_at_period": "三菱金属鉱業",
      "rank": 6,
      "name": "三井信託",
      "shareholding_ratio": null,
      "shares_held": 1047460,
      "total_shares": 42000000,
      "source": "株式会社年鑑 昭和31年版"
    },
    {
      "FY": "FY55",
      "period": "1955/9",
      "company_name_at_period": "三菱金属鉱業",
      "rank": 7,
      "name": "日本証券金融",
      "shareholding_ratio": null,
      "shares_held": 998700,
      "total_shares": 42000000,
      "source": "株式会社年鑑 昭和31年版"
    },
    {
      "FY": "FY55",
      "period": "1955/9",
      "company_name_at_period": "三菱金属鉱業",
      "rank": 8,
      "name": "野村証券",
      "shareholding_ratio": null,
      "shares_held": 980260,
      "total_shares": 42000000,
      "source": "株式会社年鑑 昭和31年版"
    },
    {
      "FY": "FY55",
      "period": "1955/9",
      "company_name_at_period": "三菱金属鉱業",
      "rank": 9,
      "name": "日興証券",
      "shareholding_ratio": null,
      "shares_held": 976950,
      "total_shares": 42000000,
      "source": "株式会社年鑑 昭和31年版"
    },
    {
      "FY": "FY55",
      "period": "1955/9",
      "company_name_at_period": "三菱金属鉱業",
      "rank": 10,
      "name": "山一証券",
      "shareholding_ratio": null,
      "shares_held": 661340,
      "total_shares": 42000000,
      "source": "株式会社年鑑 昭和31年版"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "三菱金属",
      "rank": 1,
      "name": "明治生命保険",
      "shareholding_ratio": 7,
      "shares_held": 31500000,
      "total_shares": null,
      "source": "日本企業要覧 1975年版"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "三菱金属",
      "rank": 2,
      "name": "三菱銀行",
      "shareholding_ratio": 4.72,
      "shares_held": 21239550,
      "total_shares": null,
      "source": "日本企業要覧 1975年版"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "三菱金属",
      "rank": 3,
      "name": "三菱信託銀行",
      "shareholding_ratio": 4.12,
      "shares_held": 18531050,
      "total_shares": null,
      "source": "日本企業要覧 1975年版"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "三菱金属",
      "rank": 4,
      "name": "日本生命保険",
      "shareholding_ratio": 2.62,
      "shares_held": 11789000,
      "total_shares": null,
      "source": "日本企業要覧 1975年版"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "三菱金属",
      "rank": 5,
      "name": "大日本電線",
      "shareholding_ratio": 1.74,
      "shares_held": 7846000,
      "total_shares": null,
      "source": "日本企業要覧 1975年版"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "三菱金属",
      "rank": 6,
      "name": "三菱商事",
      "shareholding_ratio": 1.44,
      "shares_held": 6476322,
      "total_shares": null,
      "source": "日本企業要覧 1975年版"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "三菱金属",
      "rank": 7,
      "name": "古河電気工業",
      "shareholding_ratio": 1.39,
      "shares_held": 6236586,
      "total_shares": null,
      "source": "日本企業要覧 1975年版"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "三菱金属",
      "rank": 8,
      "name": "三菱重工業",
      "shareholding_ratio": 1.27,
      "shares_held": 5692000,
      "total_shares": null,
      "source": "日本企業要覧 1975年版"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "三菱金属",
      "rank": 9,
      "name": "東京海上火災保険",
      "shareholding_ratio": 1.24,
      "shares_held": 5577000,
      "total_shares": null,
      "source": "日本企業要覧 1975年版"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "三菱金属",
      "rank": 10,
      "name": "百十四銀行",
      "shareholding_ratio": 1.11,
      "shares_held": 5000000,
      "total_shares": null,
      "source": "日本企業要覧 1975年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "三菱金属",
      "rank": 1,
      "name": "日本証券決済",
      "shareholding_ratio": 9.7,
      "shares_held": 46028000,
      "total_shares": 474708000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "三菱金属",
      "rank": 2,
      "name": "明治生命保険",
      "shareholding_ratio": 6.64,
      "shares_held": 31500000,
      "total_shares": 474708000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "三菱金属",
      "rank": 3,
      "name": "三菱信託銀行",
      "shareholding_ratio": 5.24,
      "shares_held": 24870000,
      "total_shares": 474708000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "三菱金属",
      "rank": 4,
      "name": "三菱銀行",
      "shareholding_ratio": 4.47,
      "shares_held": 21239000,
      "total_shares": 474708000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "三菱金属",
      "rank": 5,
      "name": "日本生命保険",
      "shareholding_ratio": 2.04,
      "shares_held": 9704000,
      "total_shares": 474708000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "三菱金属",
      "rank": 6,
      "name": "日本証券金融",
      "shareholding_ratio": 1.74,
      "shares_held": 8273000,
      "total_shares": 474708000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "三菱金属",
      "rank": 7,
      "name": "大日本電線",
      "shareholding_ratio": 1.65,
      "shares_held": 7846000,
      "total_shares": 474708000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "三菱金属",
      "rank": 8,
      "name": "三菱商事",
      "shareholding_ratio": 1.36,
      "shares_held": 6476000,
      "total_shares": 474708000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "三菱金属",
      "rank": 9,
      "name": "山一證券",
      "shareholding_ratio": 1.34,
      "shares_held": 6378000,
      "total_shares": 474708000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "三菱金属",
      "rank": 10,
      "name": "野村證券",
      "shareholding_ratio": 1.33,
      "shares_held": 6292000,
      "total_shares": 474708000,
      "source": "企業系列総覧 1981年版"
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    {
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      "company_name_at_period": "三菱マテリアル",
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      "total_shares": null,
      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY05",
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      "company_name_at_period": "三菱マテリアル",
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      "name": "日本マスタートラスト信託銀行",
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      "total_shares": null,
      "source": "有価証券報告書（2006年3月期）"
    },
    {
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      "period": "2006/3",
      "company_name_at_period": "三菱マテリアル",
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      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY05",
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      "company_name_at_period": "三菱マテリアル",
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      "name": "明治安田生命保険",
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      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY05",
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      "company_name_at_period": "三菱マテリアル",
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    {
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    {
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      "source": "有価証券報告書（2010年3月期）"
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    {
      "FY": "FY09",
      "period": "2010/3",
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      "source": "有価証券報告書（2010年3月期）"
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    {
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    {
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    {
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    {
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    {
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    },
    {
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    {
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    {
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    {
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      "source": "有価証券報告書（2015年3月期）"
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    {
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    {
      "FY": "FY14",
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    {
      "FY": "FY14",
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    {
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    }
  ]
}