{
  "spec_version": "3",
  "endpoint": "shareholders",
  "stock_code": "6925",
  "company_name": "ウシオ電機",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/6925/shareholders/",
  "api_url": "/api/6925/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/6925/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": "日本マスタートラスト信託銀行株式会社（信託口）",
      "shareholding_ratio": 6.23,
      "shares_held": 8711800
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 2,
      "name": "株式会社りそな銀行（注）４",
      "shareholding_ratio": 4.63,
      "shares_held": 6471409
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "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": 4.36,
      "shares_held": 6093900
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 4,
      "name": "オーエム０４ エスエスビー クライアント オムニバス （常任代理人 香港上海銀行 東京支店）",
      "shareholding_ratio": 4.02,
      "shares_held": 5615965
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 5,
      "name": "あいおいニッセイ同和損害保険株式会社",
      "shareholding_ratio": 3.06,
      "shares_held": 4274921
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 6,
      "name": "株式会社三菱東京ＵＦＪ銀行（注）２",
      "shareholding_ratio": 3.04,
      "shares_held": 4248022
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 7,
      "name": "ジェーピー モルガン チェース バンク ３８５１７４ （常任代理人 みずほ銀行）",
      "shareholding_ratio": 2.81,
      "shares_held": 3924200
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 8,
      "name": "朝日生命保険相互会社",
      "shareholding_ratio": 2.36,
      "shares_held": 3305500
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 9,
      "name": "牛尾 治朗",
      "shareholding_ratio": 2.24,
      "shares_held": 3136714
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 10,
      "name": "ステート ストリート バンク アンド トラスト カンパニー ５０５００１ （常任代理人 みずほ銀行）",
      "shareholding_ratio": 1.76,
      "shares_held": 2464824
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "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": 5.9,
      "shares_held": 8245700
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 2,
      "name": "株式会社りそな銀行（注）３",
      "shareholding_ratio": 4.52,
      "shares_held": 6319009
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 3,
      "name": "オーエム０４ エスエスビー クライアント オムニバス （常任代理人 香港上海銀行 東京支店）",
      "shareholding_ratio": 4.33,
      "shares_held": 6052247
    },
    {
      "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": 3.64,
      "shares_held": 5093900
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 5,
      "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": 3.09,
      "shares_held": 4324800
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 6,
      "name": "あいおいニッセイ同和損害保険株式会社",
      "shareholding_ratio": 3.06,
      "shares_held": 4274921
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 7,
      "name": "ノーザン トラスト カンパニー エイブイエフシー リ ユーエス タックス エグゼンプテド ペンション ファンズ （常任代理人 香港上海銀行 東京支店）",
      "shareholding_ratio": 3.05,
      "shares_held": 4258753
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 8,
      "name": "株式会社三菱東京ＵＦＪ銀行（注）２",
      "shareholding_ratio": 3.04,
      "shares_held": 4248022
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 9,
      "name": "朝日生命保険相互会社",
      "shareholding_ratio": 2.36,
      "shares_held": 3305500
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 10,
      "name": "牛尾 治朗",
      "shareholding_ratio": 2.24,
      "shares_held": 3136714
    },
    {
      "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": 7.45,
      "shares_held": 9544200
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 2,
      "name": "株式会社りそな銀行（注）２",
      "shareholding_ratio": 4.93,
      "shares_held": 6319009
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "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": 4.69,
      "shares_held": 6016700
    },
    {
      "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": 4.19,
      "shares_held": 5369500
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 5,
      "name": "ノーザン トラスト カンパニー エイブイエフシー リ ユーエス タックス エグゼンプテド ペンション ファンズ （常任代理人 香港上海銀行 東京支店）",
      "shareholding_ratio": 4.19,
      "shares_held": 5366653
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 6,
      "name": "あいおいニッセイ同和損害保険株式会社",
      "shareholding_ratio": 3.33,
      "shares_held": 4274921
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 7,
      "name": "株式会社三菱東京ＵＦＪ銀行（注）６",
      "shareholding_ratio": 3.31,
      "shares_held": 4248022
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 8,
      "name": "朝日生命保険相互会社",
      "shareholding_ratio": 2.58,
      "shares_held": 3305500
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 9,
      "name": "NORTHERN TRUST CO. (AVFC) RE SSD00 （常任代理人 香港上海銀行 東京支店）",
      "shareholding_ratio": 2.26,
      "shares_held": 2906672
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 10,
      "name": "牛尾 治朗",
      "shareholding_ratio": 2.21,
      "shares_held": 2836714
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "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": 8.43,
      "shares_held": 10658700
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 2,
      "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": 5.38,
      "shares_held": 6798200
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 3,
      "name": "株式会社りそな銀行（注）２",
      "shareholding_ratio": 5,
      "shares_held": 6319009
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 4,
      "name": "ノーザン トラスト カンパニー エイブイエフシー リ ユーエス タックス エグゼンプテド ペンション ファンズ （常任代理人 香港上海銀行 東京支店）",
      "shareholding_ratio": 4.53,
      "shares_held": 5726093
    },
    {
      "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": 4,
      "shares_held": 5058400
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 6,
      "name": "あいおいニッセイ同和損害保険株式会社",
      "shareholding_ratio": 3.38,
      "shares_held": 4274921
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 7,
      "name": "株式会社三菱ＵＦＪ銀行 （注）３",
      "shareholding_ratio": 3.36,
      "shares_held": 4248022
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 8,
      "name": "朝日生命保険相互会社",
      "shareholding_ratio": 2.61,
      "shares_held": 3305500
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 9,
      "name": "牛尾 治朗",
      "shareholding_ratio": 2.08,
      "shares_held": 2636714
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 10,
      "name": "ステート ストリート バンク アンド トラスト カンパニー ５０５００１ （常任代理人 みずほ銀行）",
      "shareholding_ratio": 2.04,
      "shares_held": 2583283
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "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": 10.11,
      "shares_held": 12216200
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "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": 5.33,
      "shares_held": 6450800
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 3,
      "name": "株式会社りそな銀行（注）３",
      "shareholding_ratio": 4.99,
      "shares_held": 6032009
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 4,
      "name": "あいおいニッセイ同和損害保険株式会社",
      "shareholding_ratio": 3.53,
      "shares_held": 4274921
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 5,
      "name": "株式会社三菱ＵＦＪ銀行 （注）２",
      "shareholding_ratio": 3.51,
      "shares_held": 4248022
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 6,
      "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": 2.86,
      "shares_held": 3462800
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 7,
      "name": "朝日生命保険相互会社",
      "shareholding_ratio": 2.73,
      "shares_held": 3305500
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 8,
      "name": "ノーザン トラスト カンパニー エイブイエフシー リ ユーエス タックス エグゼンプテド ペンション ファンズ （常任代理人 香港上海銀行 東京支店）",
      "shareholding_ratio": 2.53,
      "shares_held": 3064953
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 9,
      "name": "牛尾 治朗",
      "shareholding_ratio": 2.18,
      "shares_held": 2636714
    },
    {
      "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９）",
      "shareholding_ratio": 2,
      "shares_held": 2421600
    },
    {
      "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": 9.54,
      "shares_held": 11530100
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 2,
      "name": "株式会社りそな銀行（注）２",
      "shareholding_ratio": 4.99,
      "shares_held": 6031709
    },
    {
      "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": 4.58,
      "shares_held": 5544000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 4,
      "name": "ビービーエイチルクス フイデリテイ フアンズ グローバル テクノロジー プール (常任代理人 株式会社三菱ＵＦＪ銀行)",
      "shareholding_ratio": 3.77,
      "shares_held": 4558500
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 5,
      "name": "あいおいニッセイ同和損害保険株式会社",
      "shareholding_ratio": 3.53,
      "shares_held": 4274921
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 6,
      "name": "株式会社三菱ＵＦＪ銀行 （注）５",
      "shareholding_ratio": 3.51,
      "shares_held": 4248022
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 7,
      "name": "朝日生命保険相互会社",
      "shareholding_ratio": 2.73,
      "shares_held": 3305500
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 8,
      "name": "牛尾 治朗",
      "shareholding_ratio": 2.2,
      "shares_held": 2665414
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 9,
      "name": "公益財団法人ウシオ財団",
      "shareholding_ratio": 1.98,
      "shares_held": 2400000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 10,
      "name": "株式会社日本カストディ銀行（信託口７）",
      "shareholding_ratio": 1.92,
      "shares_held": 2331300
    },
    {
      "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": 15.87,
      "shares_held": 19178900
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 2,
      "name": "株式会社日本カストディ銀行（信託口）",
      "shareholding_ratio": 5.27,
      "shares_held": 6368600
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 3,
      "name": "株式会社りそな銀行（注）２",
      "shareholding_ratio": 4.99,
      "shares_held": 6031709
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 4,
      "name": "あいおいニッセイ同和損害保険株式会社",
      "shareholding_ratio": 3.53,
      "shares_held": 4274921
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 5,
      "name": "株式会社三菱ＵＦＪ銀行 （注）４",
      "shareholding_ratio": 3.51,
      "shares_held": 4248022
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 6,
      "name": "ビービーエイチルクス フイデリテイ フアンズ グローバル テクノロジー プール (常任代理人 株式会社三菱ＵＦＪ銀行)",
      "shareholding_ratio": 2.81,
      "shares_held": 3396100
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 7,
      "name": "牛尾 治朗",
      "shareholding_ratio": 2.2,
      "shares_held": 2665414
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 8,
      "name": "RBC IST 15 PCT LENDING ACCOUNT - CLIENT ACCOUNT (常任代理人 シティバンク、エヌ・エイ東京支店)",
      "shareholding_ratio": 2.1,
      "shares_held": 2541518
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 9,
      "name": "朝日生命保険相互会社",
      "shareholding_ratio": 2.02,
      "shares_held": 2450000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 10,
      "name": "公益財団法人ウシオ財団",
      "shareholding_ratio": 1.98,
      "shares_held": 2400000
    },
    {
      "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": 15.69,
      "shares_held": 18509400
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 2,
      "name": "株式会社日本カストディ銀行（信託口）",
      "shareholding_ratio": 5.07,
      "shares_held": 5980700
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 3,
      "name": "株式会社りそな銀行（注）２",
      "shareholding_ratio": 4.99,
      "shares_held": 5886309
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 4,
      "name": "ビービーエイチルクス フイデリテイ フアンズ グローバル テクノロジー プール (常任代理人 株式会社三菱ＵＦＪ銀行)",
      "shareholding_ratio": 3.83,
      "shares_held": 4525700
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 5,
      "name": "あいおいニッセイ同和損害保険株式会社",
      "shareholding_ratio": 3.62,
      "shares_held": 4274921
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 6,
      "name": "株式会社三菱ＵＦＪ銀行 （注）３",
      "shareholding_ratio": 2.88,
      "shares_held": 3398400
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 7,
      "name": "牛尾 治朗",
      "shareholding_ratio": 2.26,
      "shares_held": 2665414
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 8,
      "name": "朝日生命保険相互会社",
      "shareholding_ratio": 2.07,
      "shares_held": 2450000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 9,
      "name": "公益財団法人ウシオ財団",
      "shareholding_ratio": 2.03,
      "shares_held": 2400000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 10,
      "name": "HSBC BANK PLC A/C M AND G （ACS） (常任代理人 香港上海銀行東京支店)",
      "shareholding_ratio": 1.76,
      "shares_held": 2078125
    },
    {
      "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": 16.55,
      "shares_held": 17032800
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 2,
      "name": "ビービーエイチルクス フイデリテイ フアンズ グローバル テクノロジー プール (常任代理人 株式会社三菱ＵＦＪ銀行)",
      "shareholding_ratio": 5.05,
      "shares_held": 5202300
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 3,
      "name": "株式会社りそな銀行（注）２",
      "shareholding_ratio": 4.76,
      "shares_held": 4906309
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 4,
      "name": "STATE STREET LONDON CARE OF STATE STREET BANK AND TRUST, BOSTON SSBTC A/C UK LONDON BRANCH CLIENTS- UNITED KINGDOM (常任代理人 香港上海銀行)",
      "shareholding_ratio": 4.75,
      "shares_held": 4897009
    },
    {
      "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": 4.16,
      "shares_held": 4283700
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 6,
      "name": "あいおいニッセイ同和損害保険株式会社",
      "shareholding_ratio": 2.77,
      "shares_held": 2850921
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 7,
      "name": "牛尾 治朗",
      "shareholding_ratio": 2.59,
      "shares_held": 2665414
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 8,
      "name": "株式会社三菱ＵＦＪ銀行 （注）４",
      "shareholding_ratio": 2.47,
      "shares_held": 2548800
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 9,
      "name": "朝日生命保険相互会社",
      "shareholding_ratio": 2.38,
      "shares_held": 2450000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 10,
      "name": "公益財団法人ウシオ財団",
      "shareholding_ratio": 2.33,
      "shares_held": 2400000
    },
    {
      "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": 16.16,
      "shares_held": 14380600
    },
    {
      "FY": "FY24",
      "period": "2025/3",
      "rank": 2,
      "name": "ビービーエイチルクス フイデリテイ フアンズ グローバル テクノロジー プール (常任代理人 株式会社三菱ＵＦＪ銀行)",
      "shareholding_ratio": 5.84,
      "shares_held": 5202300
    },
    {
      "FY": "FY24",
      "period": "2025/3",
      "rank": 3,
      "name": "ステート ストリート バンク アンド トラスト カンパニー 505301 （常任代理人 株式会社みずほ銀行）",
      "shareholding_ratio": 5.2,
      "shares_held": 4633167
    },
    {
      "FY": "FY24",
      "period": "2025/3",
      "rank": 4,
      "name": "株式会社りそな銀行（注）２",
      "shareholding_ratio": 4.95,
      "shares_held": 4406309
    },
    {
      "FY": "FY24",
      "period": "2025/3",
      "rank": 5,
      "name": "株式会社日本カストディ銀行（信託口）",
      "shareholding_ratio": 4.11,
      "shares_held": 3656400
    },
    {
      "FY": "FY24",
      "period": "2025/3",
      "rank": 6,
      "name": "あいおいニッセイ同和損害保険株式会社",
      "shareholding_ratio": 3.2,
      "shares_held": 2850921
    },
    {
      "FY": "FY24",
      "period": "2025/3",
      "rank": 7,
      "name": "朝日生命保険相互会社",
      "shareholding_ratio": 2.75,
      "shares_held": 2450000
    },
    {
      "FY": "FY24",
      "period": "2025/3",
      "rank": 8,
      "name": "公益財団法人ウシオ財団",
      "shareholding_ratio": 2.69,
      "shares_held": 2400000
    },
    {
      "FY": "FY24",
      "period": "2025/3",
      "rank": 9,
      "name": "牛尾 志朗",
      "shareholding_ratio": 2.67,
      "shares_held": 2376350
    },
    {
      "FY": "FY24",
      "period": "2025/3",
      "rank": 10,
      "name": "ステート ストリート バンク アンド トラスト カンパニー 505001 （常任代理人 株式会社みずほ銀行）",
      "shareholding_ratio": 2.16,
      "shares_held": 1927342
    },
    {
      "FY": "FY25",
      "period": "2026/3",
      "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": 15.64,
      "shares_held": 12544800
    },
    {
      "FY": "FY25",
      "period": "2026/3",
      "rank": 2,
      "name": "ビービーエイチルクス フイデリテイ フアンズ グローバル テクノロジー プール (常任代理人 株式会社三菱ＵＦＪ銀行)",
      "shareholding_ratio": 6.48,
      "shares_held": 5202300
    },
    {
      "FY": "FY25",
      "period": "2026/3",
      "rank": 3,
      "name": "株式会社りそな銀行（注２）",
      "shareholding_ratio": 4.86,
      "shares_held": 3896309
    },
    {
      "FY": "FY25",
      "period": "2026/3",
      "rank": 4,
      "name": "ステート ストリート バンク アンド トラスト カンパニー 505301 （常任代理人 株式会社みずほ銀行）",
      "shareholding_ratio": 4.8,
      "shares_held": 3852258
    },
    {
      "FY": "FY25",
      "period": "2026/3",
      "rank": 5,
      "name": "株式会社日本カストディ銀行（信託口）",
      "shareholding_ratio": 3.73,
      "shares_held": 2991000
    },
    {
      "FY": "FY25",
      "period": "2026/3",
      "rank": 6,
      "name": "朝日生命保険相互会社",
      "shareholding_ratio": 3.05,
      "shares_held": 2450000
    },
    {
      "FY": "FY25",
      "period": "2026/3",
      "rank": 7,
      "name": "公益財団法人ウシオ財団",
      "shareholding_ratio": 2.99,
      "shares_held": 2400000
    },
    {
      "FY": "FY25",
      "period": "2026/3",
      "rank": 8,
      "name": "牛尾 志朗",
      "shareholding_ratio": 2.96,
      "shares_held": 2376350
    },
    {
      "FY": "FY25",
      "period": "2026/3",
      "rank": 9,
      "name": "ステート ストリート バンク アンド トラスト カンパニー 505001 （常任代理人 株式会社みずほ銀行）",
      "shareholding_ratio": 2.02,
      "shares_held": 1627327
    },
    {
      "FY": "FY25",
      "period": "2026/3",
      "rank": 10,
      "name": "株式会社ニコン",
      "shareholding_ratio": 1.82,
      "shares_held": 1464317
    }
  ],
  "categories": [
    {
      "FY": "FY15",
      "period": "2016/3",
      "category_key": "government",
      "category": "政府・地方公共団体",
      "shareholders": null,
      "shares_units": null,
      "ratio": null
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "category_key": "financial",
      "category": "金融機関",
      "shareholders": 52,
      "shares_units": 494535,
      "ratio": 35.47
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "category_key": "financial_service",
      "category": "金融商品取引業者",
      "shareholders": 33,
      "shares_units": 20490,
      "ratio": 1.47
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "category_key": "other_corporation",
      "category": "その他の法人",
      "shareholders": 120,
      "shares_units": 102814,
      "ratio": 7.37
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "category_key": "foreign_corporation",
      "category": "外国法人等（法人）",
      "shareholders": 251,
      "shares_units": 534434,
      "ratio": 38.34
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "category_key": "foreign_individual",
      "category": "外国法人等（個人）",
      "shareholders": 10,
      "shares_units": 125,
      "ratio": 0.01
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "category_key": "individual",
      "category": "個人その他",
      "shareholders": 8411,
      "shares_units": 241666,
      "ratio": 17.34
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "category_key": "total",
      "category": "合計",
      "shareholders": 8877,
      "shares_units": 1394064,
      "ratio": null
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "category_key": "government",
      "category": "政府・地方公共団体",
      "shareholders": null,
      "shares_units": null,
      "ratio": null
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "category_key": "financial",
      "category": "金融機関",
      "shareholders": 54,
      "shares_units": 469029,
      "ratio": 33.64
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "category_key": "financial_service",
      "category": "金融商品取引業者",
      "shareholders": 27,
      "shares_units": 12951,
      "ratio": 0.93
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "category_key": "other_corporation",
      "category": "その他の法人",
      "shareholders": 120,
      "shares_units": 101677,
      "ratio": 7.29
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "category_key": "foreign_corporation",
      "category": "外国法人等（法人）",
      "shareholders": 241,
      "shares_units": 563283,
      "ratio": 40.41
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "category_key": "foreign_individual",
      "category": "外国法人等（個人）",
      "shareholders": 8,
      "shares_units": 50,
      "ratio": 0
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "category_key": "individual",
      "category": "個人その他",
      "shareholders": 8090,
      "shares_units": 247145,
      "ratio": 17.73
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "category_key": "total",
      "category": "合計",
      "shareholders": 8540,
      "shares_units": 1394135,
      "ratio": null
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "category_key": "government",
      "category": "政府・地方公共団体",
      "shareholders": null,
      "shares_units": null,
      "ratio": null
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "category_key": "financial",
      "category": "金融機関",
      "shareholders": 49,
      "shares_units": 480883,
      "ratio": 34.49
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "category_key": "financial_service",
      "category": "金融商品取引業者",
      "shareholders": 29,
      "shares_units": 10260,
      "ratio": 0.74
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "category_key": "other_corporation",
      "category": "その他の法人",
      "shareholders": 113,
      "shares_units": 110273,
      "ratio": 7.91
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "category_key": "foreign_corporation",
      "category": "外国法人等（法人）",
      "shareholders": 264,
      "shares_units": 553890,
      "ratio": 39.73
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "category_key": "foreign_individual",
      "category": "外国法人等（個人）",
      "shareholders": 8,
      "shares_units": 50,
      "ratio": 0
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "category_key": "individual",
      "category": "個人その他",
      "shareholders": 7624,
      "shares_units": 238903,
      "ratio": 17.13
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "category_key": "total",
      "category": "合計",
      "shareholders": 8087,
      "shares_units": 1394259,
      "ratio": null
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "category_key": "government",
      "category": "政府・地方公共団体",
      "shareholders": null,
      "shares_units": null,
      "ratio": null
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "category_key": "financial",
      "category": "金融機関",
      "shareholders": 43,
      "shares_units": 486866,
      "ratio": 36.48
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "category_key": "financial_service",
      "category": "金融商品取引業者",
      "shareholders": 27,
      "shares_units": 18341,
      "ratio": 1.37
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "category_key": "other_corporation",
      "category": "その他の法人",
      "shareholders": 112,
      "shares_units": 111905,
      "ratio": 8.38
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "category_key": "foreign_corporation",
      "category": "外国法人等（法人）",
      "shareholders": 260,
      "shares_units": 525265,
      "ratio": 39.36
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "category_key": "foreign_individual",
      "category": "外国法人等（個人）",
      "shareholders": 8,
      "shares_units": 55,
      "ratio": 0
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "category_key": "individual",
      "category": "個人その他",
      "shareholders": 7536,
      "shares_units": 191904,
      "ratio": 14.38
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "category_key": "total",
      "category": "合計",
      "shareholders": 7986,
      "shares_units": 1334336,
      "ratio": null
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "category_key": "government",
      "category": "政府・地方公共団体",
      "shareholders": null,
      "shares_units": null,
      "ratio": null
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "category_key": "financial",
      "category": "金融機関",
      "shareholders": 49,
      "shares_units": 535902,
      "ratio": 42.26
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "category_key": "financial_service",
      "category": "金融商品取引業者",
      "shareholders": 33,
      "shares_units": 19662,
      "ratio": 1.55
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "category_key": "other_corporation",
      "category": "その他の法人",
      "shareholders": 118,
      "shares_units": 107758,
      "ratio": 8.5
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "category_key": "foreign_corporation",
      "category": "外国法人等（法人）",
      "shareholders": 304,
      "shares_units": 406389,
      "ratio": 32.05
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "category_key": "foreign_individual",
      "category": "外国法人等（個人）",
      "shareholders": 13,
      "shares_units": 126,
      "ratio": 0.01
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "category_key": "individual",
      "category": "個人その他",
      "shareholders": 8961,
      "shares_units": 198279,
      "ratio": 15.63
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "category_key": "total",
      "category": "合計",
      "shareholders": 9478,
      "shares_units": 1268116,
      "ratio": null
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "category_key": "government",
      "category": "政府・地方公共団体",
      "shareholders": null,
      "shares_units": null,
      "ratio": null
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "category_key": "financial",
      "category": "金融機関",
      "shareholders": 50,
      "shares_units": 493234,
      "ratio": 38.89
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "category_key": "financial_service",
      "category": "金融商品取引業者",
      "shareholders": 44,
      "shares_units": 43509,
      "ratio": 3.43
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "category_key": "other_corporation",
      "category": "その他の法人",
      "shareholders": 179,
      "shares_units": 107488,
      "ratio": 8.48
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "category_key": "foreign_corporation",
      "category": "外国法人等（法人）",
      "shareholders": 309,
      "shares_units": 358452,
      "ratio": 28.27
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "category_key": "foreign_individual",
      "category": "外国法人等（個人）",
      "shareholders": 29,
      "shares_units": 216,
      "ratio": 0.02
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "category_key": "individual",
      "category": "個人その他",
      "shareholders": 18971,
      "shares_units": 265222,
      "ratio": 20.91
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "category_key": "total",
      "category": "合計",
      "shareholders": 19582,
      "shares_units": 1268121,
      "ratio": null
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "category_key": "government",
      "category": "政府・地方公共団体",
      "shareholders": null,
      "shares_units": null,
      "ratio": null
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "category_key": "financial",
      "category": "金融機関",
      "shareholders": 43,
      "shares_units": 482294,
      "ratio": 38.03
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "category_key": "financial_service",
      "category": "金融商品取引業者",
      "shareholders": 37,
      "shares_units": 27943,
      "ratio": 2.2
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "category_key": "other_corporation",
      "category": "その他の法人",
      "shareholders": 141,
      "shares_units": 97308,
      "ratio": 7.67
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "category_key": "foreign_corporation",
      "category": "外国法人等（法人）",
      "shareholders": 321,
      "shares_units": 447051,
      "ratio": 35.25
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "category_key": "foreign_individual",
      "category": "外国法人等（個人）",
      "shareholders": 17,
      "shares_units": 92,
      "ratio": 0.01
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "category_key": "individual",
      "category": "個人その他",
      "shareholders": 12789,
      "shares_units": 213502,
      "ratio": 16.84
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "category_key": "total",
      "category": "合計",
      "shareholders": 13348,
      "shares_units": 1268190,
      "ratio": null
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "category_key": "government",
      "category": "政府・地方公共団体",
      "shareholders": null,
      "shares_units": null,
      "ratio": null
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "category_key": "financial",
      "category": "金融機関",
      "shareholders": 40,
      "shares_units": 449486,
      "ratio": 36.45
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "category_key": "financial_service",
      "category": "金融商品取引業者",
      "shareholders": 43,
      "shares_units": 59012,
      "ratio": 4.79
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "category_key": "other_corporation",
      "category": "その他の法人",
      "shareholders": 153,
      "shares_units": 104648,
      "ratio": 8.49
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "category_key": "foreign_corporation",
      "category": "外国法人等（法人）",
      "shareholders": 313,
      "shares_units": 403778,
      "ratio": 32.74
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "category_key": "foreign_individual",
      "category": "外国法人等（個人）",
      "shareholders": 28,
      "shares_units": 119,
      "ratio": 0.01
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "category_key": "individual",
      "category": "個人その他",
      "shareholders": 15085,
      "shares_units": 216170,
      "ratio": 17.53
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "category_key": "total",
      "category": "合計",
      "shareholders": 15662,
      "shares_units": 1233213,
      "ratio": null
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "category_key": "government",
      "category": "政府・地方公共団体",
      "shareholders": null,
      "shares_units": null,
      "ratio": null
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "category_key": "financial",
      "category": "金融機関",
      "shareholders": 36,
      "shares_units": 384343,
      "ratio": 35.81
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "category_key": "financial_service",
      "category": "金融商品取引業者",
      "shareholders": 33,
      "shares_units": 24547,
      "ratio": 2.29
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "category_key": "other_corporation",
      "category": "その他の法人",
      "shareholders": 130,
      "shares_units": 88735,
      "ratio": 8.27
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "category_key": "foreign_corporation",
      "category": "外国法人等（法人）",
      "shareholders": 275,
      "shares_units": 389262,
      "ratio": 36.27
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "category_key": "foreign_individual",
      "category": "外国法人等（個人）",
      "shareholders": 24,
      "shares_units": 107,
      "ratio": 0.01
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "category_key": "individual",
      "category": "個人その他",
      "shareholders": 11457,
      "shares_units": 186293,
      "ratio": 17.36
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "category_key": "total",
      "category": "合計",
      "shareholders": 11955,
      "shares_units": 1073287,
      "ratio": null
    },
    {
      "FY": "FY24",
      "period": "2025/3",
      "category_key": "government",
      "category": "政府・地方公共団体",
      "shareholders": null,
      "shares_units": null,
      "ratio": null
    },
    {
      "FY": "FY24",
      "period": "2025/3",
      "category_key": "financial",
      "category": "金融機関",
      "shareholders": 32,
      "shares_units": 336313,
      "ratio": 36.42
    },
    {
      "FY": "FY24",
      "period": "2025/3",
      "category_key": "financial_service",
      "category": "金融商品取引業者",
      "shareholders": 23,
      "shares_units": 20539,
      "ratio": 2.22
    },
    {
      "FY": "FY24",
      "period": "2025/3",
      "category_key": "other_corporation",
      "category": "その他の法人",
      "shareholders": 145,
      "shares_units": 70213,
      "ratio": 7.6
    },
    {
      "FY": "FY24",
      "period": "2025/3",
      "category_key": "foreign_corporation",
      "category": "外国法人等（法人）",
      "shareholders": 262,
      "shares_units": 327957,
      "ratio": 35.52
    },
    {
      "FY": "FY24",
      "period": "2025/3",
      "category_key": "foreign_individual",
      "category": "外国法人等（個人）",
      "shareholders": 18,
      "shares_units": 96,
      "ratio": 0.01
    },
    {
      "FY": "FY24",
      "period": "2025/3",
      "category_key": "individual",
      "category": "個人その他",
      "shareholders": 10158,
      "shares_units": 168214,
      "ratio": 18.22
    },
    {
      "FY": "FY24",
      "period": "2025/3",
      "category_key": "total",
      "category": "合計",
      "shareholders": 10638,
      "shares_units": 923332,
      "ratio": null
    },
    {
      "FY": "FY25",
      "period": "2026/3",
      "category_key": "government",
      "category": "政府・地方公共団体",
      "shareholders": 1,
      "shares_units": 39,
      "ratio": 0
    },
    {
      "FY": "FY25",
      "period": "2026/3",
      "category_key": "financial",
      "category": "金融機関",
      "shareholders": 30,
      "shares_units": 265516,
      "ratio": 31.86
    },
    {
      "FY": "FY25",
      "period": "2026/3",
      "category_key": "financial_service",
      "category": "金融商品取引業者",
      "shareholders": 26,
      "shares_units": 17493,
      "ratio": 2.1
    },
    {
      "FY": "FY25",
      "period": "2026/3",
      "category_key": "other_corporation",
      "category": "その他の法人",
      "shareholders": 108,
      "shares_units": 66839,
      "ratio": 8.02
    },
    {
      "FY": "FY25",
      "period": "2026/3",
      "category_key": "foreign_corporation",
      "category": "外国法人等（法人）",
      "shareholders": 278,
      "shares_units": 334105,
      "ratio": 40.09
    },
    {
      "FY": "FY25",
      "period": "2026/3",
      "category_key": "foreign_individual",
      "category": "外国法人等（個人）",
      "shareholders": 21,
      "shares_units": 100,
      "ratio": 0.01
    },
    {
      "FY": "FY25",
      "period": "2026/3",
      "category_key": "individual",
      "category": "個人その他",
      "shareholders": 8982,
      "shares_units": 149298,
      "ratio": 17.91
    },
    {
      "FY": "FY25",
      "period": "2026/3",
      "category_key": "total",
      "category": "合計",
      "shareholders": 9446,
      "shares_units": 833390,
      "ratio": null
    }
  ]
}