{
  "spec_version": "3",
  "endpoint": "shareholders",
  "stock_code": "9031",
  "company_name": "西日本鉄道",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/9031/shareholders/",
  "api_url": "/api/9031/shareholders.json",
  "updated": "2026-08-17",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/9031/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": [
    {
      "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": 9.62,
      "shares_held": 38191000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 2,
      "name": "株式会社福岡銀行",
      "shareholding_ratio": 4.89,
      "shares_held": 19408000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 3,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 4.23,
      "shares_held": 16779000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 4,
      "name": "株式会社みずほ銀行",
      "shareholding_ratio": 3.98,
      "shares_held": 15782000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 5,
      "name": "株式会社西日本シティ銀行",
      "shareholding_ratio": 3.79,
      "shares_held": 15047000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 6,
      "name": "明治安田生命保険相互会社",
      "shareholding_ratio": 2.59,
      "shares_held": 10269000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 7,
      "name": "日本マスタートラスト信託銀行株式会社",
      "shareholding_ratio": 1.9,
      "shares_held": 7556000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 8,
      "name": "第一生命保険株式会社",
      "shareholding_ratio": 1.9,
      "shares_held": 7526000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 9,
      "name": "損害保険ジャパン日本興亜株式会社",
      "shareholding_ratio": 1.2,
      "shares_held": 4762000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 10,
      "name": "株式会社三井住友銀行",
      "shareholding_ratio": 1.14,
      "shares_held": 4528000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 1,
      "name": "株式会社福岡銀行",
      "shareholding_ratio": 4.89,
      "shares_held": 19408000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 2,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 4.22,
      "shares_held": 16761000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 3,
      "name": "株式会社西日本シティ銀行",
      "shareholding_ratio": 3.79,
      "shares_held": 15047000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "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)",
      "shareholding_ratio": 3.01,
      "shares_held": 11951000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 5,
      "name": "株式会社みずほ銀行",
      "shareholding_ratio": 2.68,
      "shares_held": 10649000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 6,
      "name": "明治安田生命保険相互会社",
      "shareholding_ratio": 2.59,
      "shares_held": 10269000
    },
    {
      "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": 2.09,
      "shares_held": 8289000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 8,
      "name": "第一生命保険株式会社",
      "shareholding_ratio": 1.89,
      "shares_held": 7507000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 9,
      "name": "JP MORGAN CHASE BANK 385151",
      "shareholding_ratio": 1.21,
      "shares_held": 4804000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 10,
      "name": "損害保険ジャパン日本興亜株式会社",
      "shareholding_ratio": 1.2,
      "shares_held": 4762000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 1,
      "name": "株式会社福岡銀行",
      "shareholding_ratio": 4.92,
      "shares_held": 3881000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 2,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 4.25,
      "shares_held": 3352000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 3,
      "name": "株式会社西日本シティ銀行",
      "shareholding_ratio": 3.81,
      "shares_held": 3009000
    },
    {
      "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)",
      "shareholding_ratio": 3.21,
      "shares_held": 2538000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 5,
      "name": "株式会社みずほ銀行",
      "shareholding_ratio": 2.7,
      "shares_held": 2129000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 6,
      "name": "明治安田生命保険相互会社",
      "shareholding_ratio": 2.6,
      "shares_held": 2053000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "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": 2.58,
      "shares_held": 2035000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 8,
      "name": "第一生命保険株式会社",
      "shareholding_ratio": 1.9,
      "shares_held": 1501000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "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": 1.34,
      "shares_held": 1059000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 10,
      "name": "JP MORGAN CHASE BANK 385151",
      "shareholding_ratio": 1.31,
      "shares_held": 1031000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 1,
      "name": "株式会社福岡銀行",
      "shareholding_ratio": 4.92,
      "shares_held": 3881000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 2,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 4.24,
      "shares_held": 3352000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 3,
      "name": "株式会社西日本シティ銀行",
      "shareholding_ratio": 3.81,
      "shares_held": 3009000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "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": 3.2,
      "shares_held": 2529000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 5,
      "name": "株式会社みずほ銀行",
      "shareholding_ratio": 2.7,
      "shares_held": 2129000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 6,
      "name": "明治安田生命保険相互会社",
      "shareholding_ratio": 2.6,
      "shares_held": 2053000
    },
    {
      "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）",
      "shareholding_ratio": 2.48,
      "shares_held": 1959000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 8,
      "name": "第一生命保険株式会社",
      "shareholding_ratio": 1.9,
      "shares_held": 1501000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 9,
      "name": "JP MORGAN CHASE BANK 385151",
      "shareholding_ratio": 1.55,
      "shares_held": 1227000
    },
    {
      "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５)",
      "shareholding_ratio": 1.38,
      "shares_held": 1086000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 1,
      "name": "株式会社福岡銀行",
      "shareholding_ratio": 4.91,
      "shares_held": 3881000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 2,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 4.24,
      "shares_held": 3352000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 3,
      "name": "株式会社西日本シティ銀行",
      "shareholding_ratio": 3.81,
      "shares_held": 3009000
    },
    {
      "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": 3.42,
      "shares_held": 2697000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 5,
      "name": "株式会社みずほ銀行",
      "shareholding_ratio": 2.7,
      "shares_held": 2129000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 6,
      "name": "明治安田生命保険相互会社",
      "shareholding_ratio": 2.6,
      "shares_held": 2053000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "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）",
      "shareholding_ratio": 2.03,
      "shares_held": 1606000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 8,
      "name": "第一生命保険株式会社",
      "shareholding_ratio": 1.9,
      "shares_held": 1501000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 9,
      "name": "JP MORGAN CHASE BANK 385151",
      "shareholding_ratio": 1.76,
      "shares_held": 1386000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "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５)",
      "shareholding_ratio": 1.43,
      "shares_held": 1126000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 1,
      "name": "株式会社福岡銀行",
      "shareholding_ratio": 4.91,
      "shares_held": 3881000
    },
    {
      "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": 4.9,
      "shares_held": 3873000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 3,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 4.24,
      "shares_held": 3352000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 4,
      "name": "株式会社西日本シティ銀行",
      "shareholding_ratio": 3.81,
      "shares_held": 3009000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 5,
      "name": "株式会社日本カストディ銀行（信託口）",
      "shareholding_ratio": 2.8,
      "shares_held": 2215000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 6,
      "name": "株式会社みずほ銀行",
      "shareholding_ratio": 2.7,
      "shares_held": 2129000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 7,
      "name": "明治安田生命保険相互会社",
      "shareholding_ratio": 2.6,
      "shares_held": 2053000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 8,
      "name": "第一生命保険株式会社",
      "shareholding_ratio": 1.9,
      "shares_held": 1501000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 9,
      "name": "JP MORGAN CHASE BANK 385781",
      "shareholding_ratio": 1.27,
      "shares_held": 1003000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 10,
      "name": "損害保険ジャパン株式会社",
      "shareholding_ratio": 1.21,
      "shares_held": 952000
    },
    {
      "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": 9.27,
      "shares_held": 7325000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 2,
      "name": "株式会社福岡銀行",
      "shareholding_ratio": 4.91,
      "shares_held": 3881000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 3,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 4.24,
      "shares_held": 3352000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 4,
      "name": "株式会社西日本シティ銀行",
      "shareholding_ratio": 3.81,
      "shares_held": 3009000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 5,
      "name": "株式会社日本カストディ銀行（信託口）",
      "shareholding_ratio": 3.5,
      "shares_held": 2768000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 6,
      "name": "株式会社みずほ銀行",
      "shareholding_ratio": 2.7,
      "shares_held": 2129000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 7,
      "name": "明治安田生命保険相互会社",
      "shareholding_ratio": 2.39,
      "shares_held": 1889000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 8,
      "name": "第一生命保険株式会社",
      "shareholding_ratio": 1.9,
      "shares_held": 1501000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 9,
      "name": "JP MORGAN CHASE BANK 385781",
      "shareholding_ratio": 1.28,
      "shares_held": 1012000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 10,
      "name": "STATE STREET BANK AND TRUST COMPANY 505025",
      "shareholding_ratio": 1.26,
      "shares_held": 995000
    },
    {
      "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": 8.72,
      "shares_held": 6891000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 2,
      "name": "株式会社福岡銀行",
      "shareholding_ratio": 4.91,
      "shares_held": 3881000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 3,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 4.24,
      "shares_held": 3352000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 4,
      "name": "株式会社西日本シティ銀行",
      "shareholding_ratio": 3.81,
      "shares_held": 3009000
    },
    {
      "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": 3.34,
      "shares_held": 2643000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 6,
      "name": "明治安田生命保険相互会社",
      "shareholding_ratio": 2.39,
      "shares_held": 1889000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 7,
      "name": "第一生命保険株式会社",
      "shareholding_ratio": 1.71,
      "shares_held": 1351000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 8,
      "name": "株式会社みずほ銀行",
      "shareholding_ratio": 1.42,
      "shares_held": 1122000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 9,
      "name": "JP MORGAN CHASE BANK 385781",
      "shareholding_ratio": 1.22,
      "shares_held": 966000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 10,
      "name": "損害保険ジャパン株式会社",
      "shareholding_ratio": 1.2,
      "shares_held": 952000
    },
    {
      "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": 8.22,
      "shares_held": 6502000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 2,
      "name": "株式会社福岡銀行",
      "shareholding_ratio": 4.91,
      "shares_held": 3881000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 3,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 4.24,
      "shares_held": 3352000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 4,
      "name": "株式会社西日本シティ銀行",
      "shareholding_ratio": 3.8,
      "shares_held": 3009000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 5,
      "name": "株式会社日本カストディ銀行（信託口）",
      "shareholding_ratio": 2.9,
      "shares_held": 2297000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 6,
      "name": "明治安田生命保険相互会社",
      "shareholding_ratio": 2.39,
      "shares_held": 1889000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 7,
      "name": "株式会社みずほ銀行",
      "shareholding_ratio": 1.42,
      "shares_held": 1122000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 8,
      "name": "JP MORGAN CHASE BANK 385781",
      "shareholding_ratio": 1.33,
      "shares_held": 1054000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 9,
      "name": "第一生命保険株式会社",
      "shareholding_ratio": 1.33,
      "shares_held": 1051000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 10,
      "name": "損害保険ジャパン株式会社",
      "shareholding_ratio": 1.2,
      "shares_held": 952000
    },
    {
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