{
  "spec_version": "3",
  "endpoint": "shareholders",
  "stock_code": "7182",
  "company_name": "ゆうちょ銀行",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/7182/shareholders/",
  "api_url": "/api/7182/shareholders.json",
  "updated": "2026-08-13",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/7182/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": "日本郵政株式会社",
      "shareholding_ratio": 74.15,
      "shares_held": 3337032700
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "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": 0.29,
      "shares_held": 13425000
    },
    {
      "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(信託口)",
      "shareholding_ratio": 0.18,
      "shares_held": 8271500
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 4,
      "name": "GOLDMAN SACHS INTERNATIONAL(常任代理人 ゴールドマン・サックス証券株式会社)",
      "shareholding_ratio": 0.15,
      "shares_held": 7194516
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "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)",
      "shareholding_ratio": 0.13,
      "shares_held": 5852580
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 6,
      "name": "ゆうちょ銀行従業員持株会",
      "shareholding_ratio": 0.11,
      "shares_held": 5365200
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 7,
      "name": "STATE STREET BANK - WEST PENSION FUND CLIENTS - EXEMPT 505233(常任代理人 株式会社みずほ銀行決済営業部)",
      "shareholding_ratio": 0.09,
      "shares_held": 4309200
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "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": 0.09,
      "shares_held": 4270223
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "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１)",
      "shareholding_ratio": 0.08,
      "shares_held": 3891300
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "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６)",
      "shareholding_ratio": 0.08,
      "shares_held": 3889000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 1,
      "name": "日本郵政株式会社",
      "shareholding_ratio": 74.15,
      "shares_held": 3337032700
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "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": 0.48,
      "shares_held": 21617900
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 3,
      "name": "日本マスタートラスト信託銀行株式会社(信託口)",
      "shareholding_ratio": 0.35,
      "shares_held": 15971600
    },
    {
      "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５)",
      "shareholding_ratio": 0.22,
      "shares_held": 10269500
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "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１)",
      "shareholding_ratio": 0.17,
      "shares_held": 7740500
    },
    {
      "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２)",
      "shareholding_ratio": 0.16,
      "shares_held": 7533700
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "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９)",
      "shareholding_ratio": 0.16,
      "shares_held": 7405900
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 8,
      "name": "ゆうちょ銀行社員持株会",
      "shareholding_ratio": 0.14,
      "shares_held": 6395700
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "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": 0.13,
      "shares_held": 5920580
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 10,
      "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": 0.11,
      "shares_held": 5101596
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 1,
      "name": "日本郵政株式会社",
      "shareholding_ratio": 88.99,
      "shares_held": 3337032700
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "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": 0.62,
      "shares_held": 23294900
    },
    {
      "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(信託口)",
      "shareholding_ratio": 0.52,
      "shares_held": 19563100
    },
    {
      "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５)",
      "shareholding_ratio": 0.28,
      "shares_held": 10680400
    },
    {
      "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９)",
      "shareholding_ratio": 0.22,
      "shares_held": 8342200
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "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１)",
      "shareholding_ratio": 0.21,
      "shares_held": 7997100
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "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２)",
      "shareholding_ratio": 0.21,
      "shares_held": 7901700
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 8,
      "name": "ゆうちょ銀行社員持株会",
      "shareholding_ratio": 0.19,
      "shares_held": 7196000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "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": 0.18,
      "shares_held": 7063358
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 10,
      "name": "THE BANK OF NEW YORK, TREATY JASDEC ACCOUNT(常任代理人 株式会社三菱ＵＦＪ銀行)",
      "shareholding_ratio": 0.16,
      "shares_held": 6301200
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 1,
      "name": "日本郵政株式会社",
      "shareholding_ratio": 88.99,
      "shares_held": 3337032700
    },
    {
      "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": 0.74,
      "shares_held": 28077900
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "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": 0.61,
      "shares_held": 22968900
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "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５)",
      "shareholding_ratio": 0.29,
      "shares_held": 10968400
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "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)",
      "shareholding_ratio": 0.26,
      "shares_held": 10084158
    },
    {
      "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９)",
      "shareholding_ratio": 0.22,
      "shares_held": 8250900
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 7,
      "name": "ゆうちょ銀行社員持株会",
      "shareholding_ratio": 0.21,
      "shares_held": 8102500
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "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１)",
      "shareholding_ratio": 0.19,
      "shares_held": 7258700
    },
    {
      "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２)",
      "shareholding_ratio": 0.18,
      "shares_held": 6790900
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 10,
      "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": 0.17,
      "shares_held": 6495316
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 1,
      "name": "日本郵政株式会社",
      "shareholding_ratio": 88.99,
      "shares_held": 3337032700
    },
    {
      "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": 0.89,
      "shares_held": 33597800
    },
    {
      "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": 0.48,
      "shares_held": 18066900
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 4,
      "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": 0.35,
      "shares_held": 13428758
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "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９)",
      "shareholding_ratio": 0.31,
      "shares_held": 11710900
    },
    {
      "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": 0.3,
      "shares_held": 11384600
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 7,
      "name": "ゆうちょ銀行社員持株会",
      "shareholding_ratio": 0.24,
      "shares_held": 9237300
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 8,
      "name": "STATE STREET BANK AND TRUSTCOMPANY 505103(常任代理人 株式会社みずほ銀行決済営業部)",
      "shareholding_ratio": 0.16,
      "shares_held": 6094086
    },
    {
      "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１)",
      "shareholding_ratio": 0.15,
      "shares_held": 5823900
    },
    {
      "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２)",
      "shareholding_ratio": 0.14,
      "shares_held": 5279300
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 1,
      "name": "日本郵政株式会社",
      "shareholding_ratio": 88.99,
      "shares_held": 3337032700
    },
    {
      "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": 0.88,
      "shares_held": 33237900
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 3,
      "name": "株式会社日本カストディ銀行(信託口)",
      "shareholding_ratio": 0.31,
      "shares_held": 11792400
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 4,
      "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": 0.3,
      "shares_held": 11371100
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 5,
      "name": "ゆうちょ銀行社員持株会",
      "shareholding_ratio": 0.27,
      "shares_held": 10413800
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 6,
      "name": "株式会社日本カストディ銀行(信託口５)",
      "shareholding_ratio": 0.22,
      "shares_held": 8571600
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 7,
      "name": "株式会社日本カストディ銀行(信託口６)",
      "shareholding_ratio": 0.2,
      "shares_held": 7595300
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 8,
      "name": "STATE STREET BANK AND TRUSTCOMPANY 505103(常任代理人 株式会社みずほ銀行決済営業部)",
      "shareholding_ratio": 0.18,
      "shares_held": 6848125
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 9,
      "name": "株式会社日本カストディ銀行(信託口１)",
      "shareholding_ratio": 0.18,
      "shares_held": 6797400
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 10,
      "name": "THE BANK OF NEW YORK MELLON140044(常任代理人 株式会社みずほ銀行決済営業部)",
      "shareholding_ratio": 0.15,
      "shares_held": 5683335
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 1,
      "name": "日本郵政株式会社",
      "shareholding_ratio": 88.99,
      "shares_held": 3337032700
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "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": 1.61,
      "shares_held": 60523200
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 3,
      "name": "株式会社日本カストディ銀行(信託口)",
      "shareholding_ratio": 0.35,
      "shares_held": 13426800
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 4,
      "name": "ゆうちょ銀行社員持株会",
      "shareholding_ratio": 0.3,
      "shares_held": 11282000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "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)",
      "shareholding_ratio": 0.28,
      "shares_held": 10782600
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 6,
      "name": "STATE STREET BANK AND TRUSTCOMPANY 505103(常任代理人 株式会社みずほ銀行決済営業部)",
      "shareholding_ratio": 0.16,
      "shares_held": 6323579
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 7,
      "name": "BNYM TREATY DTT 15(常任代理人 株式会社三菱ＵＦＪ銀行)",
      "shareholding_ratio": 0.08,
      "shares_held": 3214303
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 8,
      "name": "STATE STREET BANK AND TRUSTCOMPANY 505225(常任代理人 株式会社みずほ銀行決済営業部)",
      "shareholding_ratio": 0.07,
      "shares_held": 2822900
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 9,
      "name": "JP MORGAN CHASE BANK 385771(常任代理人 株式会社みずほ銀行決済営業部)",
      "shareholding_ratio": 0.07,
      "shares_held": 2740644
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 10,
      "name": "THE BANK OF NEW YORK MELLON140044(常任代理人 株式会社みずほ銀行決済営業部)",
      "shareholding_ratio": 0.06,
      "shares_held": 2581973
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 1,
      "name": "日本郵政株式会社",
      "shareholding_ratio": 60.62,
      "shares_held": 2224866500
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "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": 2.08,
      "shares_held": 76659500
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 3,
      "name": "JP JPMSE LUX RE UBS AG LONDON BRANCH EQ CO(常任代理人 株式会社三菱ＵＦＪ銀行)",
      "shareholding_ratio": 0.82,
      "shares_held": 30418700
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 4,
      "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": 0.79,
      "shares_held": 29273600
    },
    {
      "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": 0.49,
      "shares_held": 18239200
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 6,
      "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": 0.33,
      "shares_held": 12279075
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 7,
      "name": "ゆうちょ銀行社員持株会",
      "shareholding_ratio": 0.32,
      "shares_held": 11874000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 8,
      "name": "JP MORGAN CHASE BANK 385770(常任代理人 株式会社みずほ銀行決済営業部)",
      "shareholding_ratio": 0.31,
      "shares_held": 11719614
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 9,
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