{
  "spec_version": "3",
  "endpoint": "shareholders",
  "stock_code": "9504",
  "company_name": "中国電力",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/9504/shareholders/",
  "api_url": "/api/9504/shareholders.json",
  "updated": "2026-08-14",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/9504/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",
      "shareholding_ratio": 10.36,
      "shares_held": 38424000
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      "period": "2016/3",
      "rank": 2,
      "name": "山口県",
      "shareholding_ratio": 9.16,
      "shares_held": 34005000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 3,
      "name": "日本マスタートラスト信託銀行株式会社",
      "shareholding_ratio": 6.25,
      "shares_held": 23177000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 4,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 5,
      "shares_held": 18567000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 5,
      "name": "株式会社みずほ銀行",
      "shareholding_ratio": 2.22,
      "shares_held": 8235000
    },
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      "FY": "FY15",
      "period": "2016/3",
      "rank": 6,
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      "shareholding_ratio": 1.94,
      "shares_held": 7203000
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      "rank": 7,
      "name": "株式会社広島銀行",
      "shareholding_ratio": 1.57,
      "shares_held": 5842000
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    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 8,
      "name": "株式会社山陰合同銀行",
      "shareholding_ratio": 1.5,
      "shares_held": 5547000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 9,
      "name": "三井住友信託銀行株式会社",
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      "rank": 1,
      "name": "日本トラスティ・サービス信託銀行株式会社",
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      "name": "日本生命保険相互会社",
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      "name": "中国電力株式投資会",
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      "name": "株式会社広島銀行",
      "shareholding_ratio": 1.57,
      "shares_held": 5842000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 7,
      "name": "株式会社山陰合同銀行",
      "shareholding_ratio": 1.5,
      "shares_held": 5547000
    },
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      "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）",
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    },
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      "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）",
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      "shares_held": 3288000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 10,
      "name": "資産管理サービス信託銀行株式会社",
      "shareholding_ratio": 0.88,
      "shares_held": 3283000
    },
    {
      "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",
      "shareholding_ratio": 11.12,
      "shares_held": 38307000
    },
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      "rank": 2,
      "name": "山口県",
      "shareholding_ratio": 9.87,
      "shares_held": 34005000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 3,
      "name": "日本マスタートラスト信託銀行株式会社",
      "shareholding_ratio": 6.41,
      "shares_held": 22074000
    },
    {
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      "rank": 4,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 4.36,
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    },
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      "FY": "FY17",
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      "rank": 5,
      "name": "中国電力株式投資会",
      "shareholding_ratio": 2.18,
      "shares_held": 7521000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
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      "name": "株式会社広島銀行",
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      "shares_held": 5842000
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      "name": "株式会社山陰合同銀行",
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      "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": 1.46,
      "shares_held": 5022000
    },
    {
      "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": 1.13,
      "shares_held": 3900000
    },
    {
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      "shareholding_ratio": 0.9,
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    {
      "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",
      "shareholding_ratio": 11.13,
      "shares_held": 38352000
    },
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      "rank": 2,
      "name": "山口県",
      "shareholding_ratio": 9.87,
      "shares_held": 34005000
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    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 3,
      "name": "日本マスタートラスト信託銀行株式会社",
      "shareholding_ratio": 7.66,
      "shares_held": 26403000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 4,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 4.43,
      "shares_held": 15245000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 5,
      "name": "中国電力株式投資会",
      "shareholding_ratio": 2.14,
      "shares_held": 7364000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 6,
      "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）",
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    },
    {
      "FY": "FY18",
      "period": "2019/3",
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      "name": "株式会社広島銀行",
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    {
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      "period": "2019/3",
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      "name": "株式会社山陰合同銀行",
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    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 9,
      "name": "資産管理サービス信託銀行株式会社",
      "shareholding_ratio": 1.18,
      "shares_held": 4064000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 10,
      "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": 1.11,
      "shares_held": 3811000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 1,
      "name": "日本トラスティ・サービス信託銀行株式会社",
      "shareholding_ratio": 10.92,
      "shares_held": 39391000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 2,
      "name": "山口県",
      "shareholding_ratio": 9.43,
      "shares_held": 34005000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 3,
      "name": "日本マスタートラスト信託銀行株式会社",
      "shareholding_ratio": 8.46,
      "shares_held": 30500000
    },
    {
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      "period": "2020/3",
      "rank": 4,
      "name": "日本生命保険相互会社",
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    },
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      "period": "2020/3",
      "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）",
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      "shares_held": 8744000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 6,
      "name": "中国電力株式投資会",
      "shareholding_ratio": 1.97,
      "shares_held": 7111000
    },
    {
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      "period": "2020/3",
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      "name": "株式会社広島銀行",
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      "shares_held": 5842000
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      "name": "株式会社山陰合同銀行",
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      "shares_held": 5547000
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      "period": "2020/3",
      "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）",
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    },
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      "name": "資産管理サービス信託銀行株式会社",
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      "rank": 1,
      "name": "山口県",
      "shareholding_ratio": 9.43,
      "shares_held": 34005000
    },
    {
      "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）",
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      "shares_held": 31910000
    },
    {
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      "rank": 3,
      "name": "株式会社日本カストディ銀行（信託口）",
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      "shares_held": 16590000
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    {
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      "name": "日本生命保険相互会社",
      "shareholding_ratio": 4.11,
      "shares_held": 14818000
    },
    {
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      "period": "2021/3",
      "rank": 5,
      "name": "STATE STREET BANK WESTCLIENT - TREATY 505234（常任代理人 株式会社みずほ銀行決済営業部）",
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      "shares_held": 7643000
    },
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      "name": "株式会社広島銀行",
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      "shares_held": 5842000
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    {
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      "period": "2021/3",
      "rank": 8,
      "name": "ＪＰモルガン証券株式会社",
      "shareholding_ratio": 1.37,
      "shares_held": 4924000
    },
    {
      "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": 1.23,
      "shares_held": 4423000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 10,
      "name": "株式会社日本カストディ銀行（信託口６）",
      "shareholding_ratio": 1.09,
      "shares_held": 3921000
    },
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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）",
      "shareholding_ratio": 14.43,
      "shares_held": 52041000
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      "period": "2022/3",
      "rank": 3,
      "name": "株式会社日本カストディ銀行（信託口）",
      "shareholding_ratio": 4.9,
      "shares_held": 17653000
    },
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      "period": "2022/3",
      "rank": 4,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 4.11,
      "shares_held": 14818000
    },
    {
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      "period": "2022/3",
      "rank": 5,
      "name": "中国電力株式投資会",
      "shareholding_ratio": 2,
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    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 6,
      "name": "株式会社広島銀行",
      "shareholding_ratio": 1.62,
      "shares_held": 5842000
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      "FY": "FY21",
      "period": "2022/3",
      "rank": 7,
      "name": "ＪＰモルガン証券株式会社",
      "shareholding_ratio": 1.33,
      "shares_held": 4807000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 8,
      "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": 1.03,
      "shares_held": 3707000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 9,
      "name": "株式会社日本カストディ銀行（信託口４）",
      "shareholding_ratio": 0.93,
      "shares_held": 3370000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "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": 0.92,
      "shares_held": 3332000
    },
    {
      "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": 11.46,
      "shares_held": 41310000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 2,
      "name": "山口県",
      "shareholding_ratio": 9.43,
      "shares_held": 34005000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 3,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 4.11,
      "shares_held": 14818000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 4,
      "name": "株式会社日本カストディ銀行（信託口）",
      "shareholding_ratio": 3.37,
      "shares_held": 12143000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 5,
      "name": "中国電力株式投資会",
      "shareholding_ratio": 2.06,
      "shares_held": 7429000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 6,
      "name": "株式会社広島銀行",
      "shareholding_ratio": 1.62,
      "shares_held": 5842000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 7,
      "name": "株式会社日本カストディ銀行（信託口４）",
      "shareholding_ratio": 1.11,
      "shares_held": 3998000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 8,
      "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": 1.1,
      "shares_held": 3965000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "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": 0.88,
      "shares_held": 3168000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 10,
      "name": "日本マスタートラスト信託銀行株式会社（退職給付信託口・山口銀行信託口）",
      "shareholding_ratio": 0.74,
      "shares_held": 2670000
    },
    {
      "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": 12.81,
      "shares_held": 46180000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 2,
      "name": "山口県",
      "shareholding_ratio": 9.43,
      "shares_held": 34005000
    },
    {
      "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": 4.21,
      "shares_held": 15170000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 4,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 4.11,
      "shares_held": 14818000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 5,
      "name": "中国電力株式投資会",
      "shareholding_ratio": 1.97,
      "shares_held": 7106000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 6,
      "name": "株式会社広島銀行",
      "shareholding_ratio": 1.62,
      "shares_held": 5842000
    },
    {
      "FY": "FY23",
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