{
  "commentary": [
    {
      "heading": null,
      "paragraphs": [
        "FY15時点では大同特殊鋼の退職給付信託（日本マスタートラスト信託銀行経由）12.66%を筆頭に、双日4.65%・メタルワン4.56%・神戸製鋼所退職給付信託など鋼材系の親密株主構造だった。",
        "FY24では日本マスタートラスト信託銀行（信託口）13.11%と大同特殊鋼退職給付信託10.97%の二極化が進み、双日6.47%は継続する一方、メタルワンが圏外となり信託銀行口経由の機関化が進展している。"
      ]
    }
  ],
  "shareholders": [
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 1,
      "name": "三菱ＵＦＪ信託銀行 退職給付信託 大同特殊鋼口 共同受託者 日本マスタートラスト信託銀行株式会社",
      "shareholding_ratio": 12.66,
      "shares_held": 30892000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 2,
      "name": "双日株式会社",
      "shareholding_ratio": 4.65,
      "shares_held": 11346000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 3,
      "name": "株式会社メタルワン",
      "shareholding_ratio": 4.56,
      "shares_held": 11118000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 4,
      "name": "みずほ信託銀行株式会社 退職給付信託 神戸製鋼所口 再信託受託者 資産管理サービス信託銀行株式会社",
      "shareholding_ratio": 3.89,
      "shares_held": 9504000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 5,
      "name": "NORTHERN TRUST CO. （AVFC） RE THE KILTEARN GLOBAL EQUITY FUND （常任代理人香港上海銀行東京支店）",
      "shareholding_ratio": 3.56,
      "shares_held": 8681000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 6,
      "name": "みずほ信託銀行株式会社 退職給付信託 みずほ銀行口 再信託受託者 資産管理サービス信託銀行株式会社",
      "shareholding_ratio": 2.36,
      "shares_held": 5753000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 7,
      "name": "株式会社横浜銀行 （常任代理人 資産管理サービス信託銀行株式会社）",
      "shareholding_ratio": 2.34,
      "shares_held": 5718000
    },
    {
      "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）",
      "shareholding_ratio": 2.3,
      "shares_held": 5622000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 9,
      "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": 2.12,
      "shares_held": 5184000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "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": 2.11,
      "shares_held": 5156000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 1,
      "name": "三菱ＵＦＪ信託銀行 退職給付信託 大同特殊鋼口 共同受託者 日本マスタートラスト信託銀行株式会社",
      "shareholding_ratio": 9.17,
      "shares_held": 22392000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 2,
      "name": "双日株式会社",
      "shareholding_ratio": 5.41,
      "shares_held": 13199000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 3,
      "name": "NORTHERN TRUST CO. （AVFC） RE THE KILTEARN GLOBAL EQUITY FUND （常任代理人香港上海銀行東京支店）",
      "shareholding_ratio": 4.31,
      "shares_held": 10509000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 4,
      "name": "みずほ信託銀行株式会社 退職給付信託 神戸製鋼所口 再信託受託者 資産管理サービス信託銀行株式会社",
      "shareholding_ratio": 3.89,
      "shares_held": 9504000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 5,
      "name": "大同特殊鋼株式会社",
      "shareholding_ratio": 3.49,
      "shares_held": 8507000
    },
    {
      "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）",
      "shareholding_ratio": 3.47,
      "shares_held": 8463000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 7,
      "name": "日本マスタートラスト信託銀行株式会社（信託口）",
      "shareholding_ratio": 3.2,
      "shares_held": 7811000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 8,
      "name": "みずほ信託銀行株式会社 退職給付信託 みずほ銀行口 再信託受託者 資産管理サービス信託銀行株式会社",
      "shareholding_ratio": 2.36,
      "shares_held": 5753000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 9,
      "name": "株式会社横浜銀行 （常任代理人資産管理サービス信託銀行株式会社）",
      "shareholding_ratio": 2.34,
      "shares_held": 5718000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 10,
      "name": "株式会社メタルワン",
      "shareholding_ratio": 2.28,
      "shares_held": 5559000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 1,
      "name": "三菱ＵＦＪ信託銀行 退職給付信託 大同特殊鋼口 共同受託者 日本マスタートラスト信託銀行株式会社",
      "shareholding_ratio": 9.44,
      "shares_held": 22392000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 2,
      "name": "双日株式会社",
      "shareholding_ratio": 5.56,
      "shares_held": 13199000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 3,
      "name": "みずほ信託銀行株式会社 退職給付信託 神戸製鋼所口 再信託受託者 資産管理サービス信託銀行株式会社",
      "shareholding_ratio": 4,
      "shares_held": 9504000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 4,
      "name": "大同特殊鋼株式会社",
      "shareholding_ratio": 3.58,
      "shares_held": 8507000
    },
    {
      "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）",
      "shareholding_ratio": 3.31,
      "shares_held": 7863000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 6,
      "name": "日本マスタートラスト信託銀行株式会社（信託口）",
      "shareholding_ratio": 3.16,
      "shares_held": 7497000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 7,
      "name": "NORTHERN TRUST CO. （AVFC） RE THE KILTEARN GLOBAL EQUITY FUND （常任代理人香港上海銀行東京支店）",
      "shareholding_ratio": 3.01,
      "shares_held": 7155000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "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９）",
      "shareholding_ratio": 2.61,
      "shares_held": 6195000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 9,
      "name": "J.P. MORGAN BANK LUXEMBOURG S.A. 380578 （常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 2.54,
      "shares_held": 6038000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 10,
      "name": "みずほ信託銀行株式会社 退職給付信託 みずほ銀行口 再信託受託者 資産管理サービス信託銀行株式会社",
      "shareholding_ratio": 2.42,
      "shares_held": 5753000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 1,
      "name": "三菱ＵＦＪ信託銀行 退職給付信託 大同特殊鋼口 共同受託者 日本マスタートラスト信託銀行株式会社",
      "shareholding_ratio": 9.44,
      "shares_held": 22392000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 2,
      "name": "双日株式会社",
      "shareholding_ratio": 5.57,
      "shares_held": 13199000
    },
    {
      "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": 4.01,
      "shares_held": 9507000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 4,
      "name": "みずほ信託銀行株式会社 退職給付信託 神戸製鋼所口 再信託受託者 資産管理サービス信託銀行株式会社",
      "shareholding_ratio": 4.01,
      "shares_held": 9504000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 5,
      "name": "大同特殊鋼株式会社",
      "shareholding_ratio": 3.59,
      "shares_held": 8507000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 6,
      "name": "日本マスタートラスト信託銀行株式会社（信託口）",
      "shareholding_ratio": 3.44,
      "shares_held": 8148000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 7,
      "name": "J.P. MORGAN BANK LUXEMBOURG S.A. 380578 （常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 3.35,
      "shares_held": 7946000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 8,
      "name": "NORTHERN TRUST CO. （AVFC） RE THE KILTEARN GLOBAL EQUITY FUND （常任代理人香港上海銀行東京支店）",
      "shareholding_ratio": 3.1,
      "shares_held": 7354000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "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）",
      "shareholding_ratio": 2.64,
      "shares_held": 6267000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 10,
      "name": "みずほ信託銀行株式会社 退職給付信託 みずほ銀行口 再信託受託者 資産管理サービス信託銀行株式会社",
      "shareholding_ratio": 2.43,
      "shares_held": 5753000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 1,
      "name": "三菱ＵＦＪ信託銀行 退職給付信託 大同特殊鋼口 共同受託者 日本マスタートラスト信託銀行株式会社",
      "shareholding_ratio": 9.51,
      "shares_held": 22392000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 2,
      "name": "双日株式会社",
      "shareholding_ratio": 5.61,
      "shares_held": 13199000
    },
    {
      "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": 4.93,
      "shares_held": 11613000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 4,
      "name": "日本マスタートラスト信託銀行株式会社（信託口）",
      "shareholding_ratio": 4.72,
      "shares_held": 11105000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 5,
      "name": "みずほ信託銀行株式会社 退職給付信託 神戸製鋼所口 再信託受託者 資産管理サービス信託銀行株式会社",
      "shareholding_ratio": 4.04,
      "shares_held": 9504000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 6,
      "name": "大同特殊鋼株式会社",
      "shareholding_ratio": 3.61,
      "shares_held": 8507000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 7,
      "name": "J.P. MORGAN BANK LUXEMBOURG S.A. 380578 （常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 3.13,
      "shares_held": 7361000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 8,
      "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": 2.56,
      "shares_held": 6034000
    },
    {
      "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）",
      "shareholding_ratio": 2.55,
      "shares_held": 6000000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 10,
      "name": "みずほ信託銀行株式会社 退職給付信託 みずほ銀行口 再信託受託者 資産管理サービス信託銀行株式会社",
      "shareholding_ratio": 2.44,
      "shares_held": 5753000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 1,
      "name": "三菱ＵＦＪ信託銀行 退職給付信託 大同特殊鋼口 共同受託者 日本マスタートラスト信託銀行株式会社",
      "shareholding_ratio": 9.82,
      "shares_held": 22392000
    },
    {
      "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": 5.93,
      "shares_held": 13527000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 3,
      "name": "双日株式会社",
      "shareholding_ratio": 5.79,
      "shares_held": 13199000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 4,
      "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": 5.32,
      "shares_held": 12122000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 5,
      "name": "みずほ信託銀行株式会社 退職給付信託 神戸製鋼所口 再信託受託者 株式会社日本カストディ銀行",
      "shareholding_ratio": 4.17,
      "shares_held": 9504000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 6,
      "name": "大同特殊鋼株式会社",
      "shareholding_ratio": 3.73,
      "shares_held": 8507000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 7,
      "name": "株式会社日本カストディ銀行（信託口）",
      "shareholding_ratio": 3.12,
      "shares_held": 7103000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 8,
      "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": 2.91,
      "shares_held": 6628000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 9,
      "name": "みずほ信託銀行株式会社 退職給付信託 みずほ銀行口 再信託受託者 株式会社日本カストディ銀行",
      "shareholding_ratio": 2.52,
      "shares_held": 5753000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 10,
      "name": "株式会社横浜銀行 (常任代理人 株式会社日本カストディ銀行)",
      "shareholding_ratio": 2.51,
      "shares_held": 5718000
    },
    {
      "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": 13.08,
      "shares_held": 29832000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 2,
      "name": "三菱ＵＦＪ信託銀行 退職給付信託 大同特殊鋼口 共同受託者 日本マスタートラスト信託銀行株式会社",
      "shareholding_ratio": 9.82,
      "shares_held": 22392000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 3,
      "name": "双日株式会社",
      "shareholding_ratio": 5.79,
      "shares_held": 13199000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 4,
      "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": 5.21,
      "shares_held": 11869000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 5,
      "name": "みずほ信託銀行株式会社 退職給付信託 神戸製鋼所口 再信託受託者 株式会社日本カストディ銀行",
      "shareholding_ratio": 4.17,
      "shares_held": 9504000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 6,
      "name": "大同特殊鋼株式会社",
      "shareholding_ratio": 3.73,
      "shares_held": 8507000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 7,
      "name": "株式会社日本カストディ銀行（信託口）",
      "shareholding_ratio": 3.57,
      "shares_held": 8143000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 8,
      "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": 2.6,
      "shares_held": 5928000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 9,
      "name": "みずほ信託銀行株式会社 退職給付信託 みずほ銀行口 再信託受託者 株式会社日本カストディ銀行",
      "shareholding_ratio": 2.52,
      "shares_held": 5753000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 10,
      "name": "株式会社横浜銀行 (常任代理人 株式会社日本カストディ銀行)",
      "shareholding_ratio": 2.51,
      "shares_held": 5718000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 1,
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    {
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      "source": "株式会社年鑑 昭和31年版"
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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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}