{
  "spec_version": "3",
  "endpoint": "shareholders",
  "stock_code": "5715",
  "company_name": "古河機械金属",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/5715/shareholders/",
  "api_url": "/api/5715/shareholders.json",
  "updated": "2026-08-21",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/5715/shareholders/",
  "source": {
    "primary": [
      "有価証券報告書（大株主の状況）"
    ],
    "extraction": "EDINET の XBRL から機械抽出。1990 年代以前は旧有価証券報告書・年鑑類からの転記",
    "row_field": "source",
    "caveat": "持株比率は各期の開示値そのまま。信託口の名寄せは行っていない"
  },
  "shareholders": [
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      "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": 7.88,
      "shares_held": 31876000
    },
    {
      "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": 6.44,
      "shares_held": 26085000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 3,
      "name": "朝日生命保険相互会社",
      "shareholding_ratio": 5.86,
      "shares_held": 23734000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 4,
      "name": "清和綜合建物株式会社",
      "shareholding_ratio": 3.71,
      "shares_held": 15034000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 5,
      "name": "横浜ゴム株式会社",
      "shareholding_ratio": 3.31,
      "shares_held": 13411000
    },
    {
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      "rank": 6,
      "name": "損害保険ジャパン日本興亜株式会社",
      "shareholding_ratio": 2.65,
      "shares_held": 10756000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 7,
      "name": "富士通株式会社",
      "shareholding_ratio": 2.37,
      "shares_held": 9617000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 8,
      "name": "古河電気工業株式会社",
      "shareholding_ratio": 2.17,
      "shares_held": 8777000
    },
    {
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      "period": "2016/3",
      "rank": 9,
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    },
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      "rank": 1,
      "name": "日本マスタートラスト信託銀行株式会社（信託口）",
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      "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）",
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      "rank": 4,
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      "shareholding_ratio": 3.71,
      "shares_held": 15034000
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    {
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      "rank": 5,
      "name": "横浜ゴム株式会社",
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    },
    {
      "FY": "FY16",
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      "rank": 6,
      "name": "損害保険ジャパン日本興亜株式会社",
      "shareholding_ratio": 2.65,
      "shares_held": 10756000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 7,
      "name": "富士通株式会社",
      "shareholding_ratio": 2.37,
      "shares_held": 9617000
    },
    {
      "FY": "FY16",
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      "rank": 9,
      "name": "富士電機株式会社",
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    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 10,
      "name": "中央不動産株式会社",
      "shareholding_ratio": 1.7,
      "shares_held": 6877000
    },
    {
      "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": 3217900
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 2,
      "name": "朝日生命保険相互会社",
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      "shares_held": 2373400
    },
    {
      "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）",
      "shareholding_ratio": 4.4,
      "shares_held": 1779100
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 4,
      "name": "清和綜合建物株式会社",
      "shareholding_ratio": 3.72,
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    },
    {
      "FY": "FY17",
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      "rank": 5,
      "name": "横浜ゴム株式会社",
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    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 6,
      "name": "損害保険ジャパン日本興亜株式会社",
      "shareholding_ratio": 2.66,
      "shares_held": 1075600
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 7,
      "name": "富士通株式会社",
      "shareholding_ratio": 2.38,
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    {
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      "name": "古河電気工業株式会社",
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      "period": "2018/3",
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      "name": "富士電機株式会社",
      "shareholding_ratio": 2.13,
      "shares_held": 862061
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    {
      "FY": "FY17",
      "period": "2018/3",
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      "name": "中央不動産株式会社",
      "shareholding_ratio": 1.7,
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    {
      "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": 4.78,
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    },
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      "FY": "FY18",
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      "name": "清和綜合建物株式会社",
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    {
      "FY": "FY18",
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      "name": "横浜ゴム株式会社",
      "shareholding_ratio": 3.39,
      "shares_held": 1341175
    },
    {
      "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）",
      "shareholding_ratio": 2.66,
      "shares_held": 1052000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 6,
      "name": "古河電気工業株式会社",
      "shareholding_ratio": 2.21,
      "shares_held": 877727
    },
    {
      "FY": "FY18",
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    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 8,
      "name": "損害保険ジャパン日本興亜株式会社",
      "shareholding_ratio": 2.12,
      "shares_held": 839000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 9,
      "name": "中央不動産株式会社",
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      "shares_held": 687700
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 10,
      "name": "JUNIPER",
      "shareholding_ratio": 1.68,
      "shares_held": 664400
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 1,
      "name": "朝日生命保険相互会社",
      "shareholding_ratio": 6.05,
      "shares_held": 2373400
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 2,
      "name": "日本マスタートラスト信託銀行株式会社（信託口）",
      "shareholding_ratio": 5.47,
      "shares_held": 2146400
    },
    {
      "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）",
      "shareholding_ratio": 3.96,
      "shares_held": 1554000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 4,
      "name": "清和綜合建物株式会社",
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      "shares_held": 1503436
    },
    {
      "FY": "FY19",
      "period": "2020/3",
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      "name": "横浜ゴム株式会社",
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    },
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      "name": "古河電気工業株式会社",
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    },
    {
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      "name": "富士電機株式会社",
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    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 8,
      "name": "損害保険ジャパン日本興亜株式会社",
      "shareholding_ratio": 2.13,
      "shares_held": 839000
    },
    {
      "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5）",
      "shareholding_ratio": 1.81,
      "shares_held": 713700
    },
    {
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      "rank": 10,
      "name": "中央不動産株式会社",
      "shareholding_ratio": 1.75,
      "shares_held": 687700
    },
    {
      "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": 6.35,
      "shares_held": 2482800
    },
    {
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      "rank": 2,
      "name": "朝日生命保険相互会社",
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      "shares_held": 2373400
    },
    {
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      "period": "2021/3",
      "rank": 3,
      "name": "清和綜合建物株式会社",
      "shareholding_ratio": 4.95,
      "shares_held": 1935756
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 4,
      "name": "株式会社日本カストディ銀行（信託口）",
      "shareholding_ratio": 4.32,
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    },
    {
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      "period": "2021/3",
      "rank": 5,
      "name": "横浜ゴム株式会社",
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    },
    {
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      "name": "古河電気工業株式会社",
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    },
    {
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      "name": "富士電機株式会社",
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    },
    {
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      "period": "2021/3",
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    },
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      "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）",
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      "shares_held": 4953500
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 2,
      "name": "朝日生命保険相互会社",
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      "shares_held": 2373400
    },
    {
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      "period": "2022/3",
      "rank": 3,
      "name": "清和綜合建物株式会社",
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      "shares_held": 1935756
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 4,
      "name": "株式会社日本カストディ銀行（信託口）",
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      "shares_held": 1341175
    },
    {
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      "period": "2022/3",
      "rank": 6,
      "name": "株式会社川嶋",
      "shareholding_ratio": 2.83,
      "shares_held": 1101800
    },
    {
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      "period": "2022/3",
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      "name": "古河電気工業株式会社",
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      "name": "富士電機株式会社",
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      "shares_held": 862061
    },
    {
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      "period": "2022/3",
      "rank": 9,
      "name": "中央日本土地建物株式会社",
      "shareholding_ratio": 1.77,
      "shares_held": 687700
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 10,
      "name": "株式会社ADEKA",
      "shareholding_ratio": 1.7,
      "shares_held": 663800
    },
    {
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      "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": 11.7,
      "shares_held": 4459600
    },
    {
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      "name": "朝日生命保険相互会社",
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      "shares_held": 2373400
    },
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      "FY": "FY22",
      "period": "2023/3",
      "rank": 3,
      "name": "清和綜合建物株式会社",
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      "shares_held": 1935756
    },
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      "rank": 4,
      "name": "株式会社川嶋",
      "shareholding_ratio": 4.87,
      "shares_held": 1860000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 5,
      "name": "株式会社日本カストディ銀行（信託口）",
      "shareholding_ratio": 4.33,
      "shares_held": 1654100
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 6,
      "name": "横浜ゴム株式会社",
      "shareholding_ratio": 3.51,
      "shares_held": 1341175
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 7,
      "name": "株式会社三光",
      "shareholding_ratio": 2.62,
      "shares_held": 1000000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 8,
      "name": "古河電気工業株式会社",
      "shareholding_ratio": 2.3,
      "shares_held": 877727
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 9,
      "name": "茜会",
      "shareholding_ratio": 1.86,
      "shares_held": 710542
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 10,
      "name": "中央日本土地建物株式会社",
      "shareholding_ratio": 1.8,
      "shares_held": 687700
    },
    {
      "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": 10.73,
      "shares_held": 3994100
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 2,
      "name": "朝日生命保険相互会社",
      "shareholding_ratio": 6.38,
      "shares_held": 2373400
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 3,
      "name": "株式会社日本カストディ銀行（信託口）",
      "shareholding_ratio": 6.31,
      "shares_held": 2348600
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 4,
      "name": "清和綜合建物株式会社",
      "shareholding_ratio": 5.2,
      "shares_held": 1935756
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 5,
      "name": "株式会社川嶋",
      "shareholding_ratio": 5,
      "shares_held": 1860000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 6,
      "name": "株式会社三光",
      "shareholding_ratio": 2.93,
      "shares_held": 1090200
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 7,
      "name": "古河電気工業株式会社",
      "shareholding_ratio": 2.36,
      "shares_held": 877727
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 8,
      "name": "茜会",
      "shareholding_ratio": 1.99,
      "shares_held": 741142
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 9,
      "name": "中央日本土地建物株式会社",
      "shareholding_ratio": 1.84,
      "shares_held": 687700
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 10,
      "name": "株式会社ADEKA",
      "shareholding_ratio": 1.78,
      "shares_held": 663800
    },
    {
      "FY": "FY24",
      "period": "2025/3",
      "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": 11.43,
      "shares_held": 4046900
    },
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