{
  "spec_version": "3",
  "endpoint": "shareholders",
  "stock_code": "4206",
  "company_name": "アイカ工業",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/4206/shareholders/",
  "api_url": "/api/4206/shareholders.json",
  "updated": "2026-08-15",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/4206/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": 4.5,
      "shares_held": 3046000
    },
    {
      "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": 4.11,
      "shares_held": 2780000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 3,
      "name": "NORTHERN TRUST CO.(AVFC) RE－HSD00 （常任代理人 香港上海銀行東京支店）",
      "shareholding_ratio": 3.01,
      "shares_held": 2036000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 4,
      "name": "アイカ工業取引先持株会",
      "shareholding_ratio": 2.91,
      "shares_held": 1969000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 5,
      "name": "アイカ工業株式保有会",
      "shareholding_ratio": 2.37,
      "shares_held": 1605000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 6,
      "name": "JP MORGAN CHASE BANK 385174 （常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 2.29,
      "shares_held": 1548000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 7,
      "name": "GOLDMAN, SACHS & CO.REG （常任代理人 ゴールドマン・サックス 証券株式会社）",
      "shareholding_ratio": 2.23,
      "shares_held": 1511000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 8,
      "name": "BBH FOR MATTHEWS JAPAN FUND （常任代理人 株式会社三菱東京ＵＦＪ銀行）",
      "shareholding_ratio": 2.01,
      "shares_held": 1364000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 9,
      "name": "住友生命保険相互会社 （常任代理人 日本トラスティ・サービス 信託銀行株式会社）",
      "shareholding_ratio": 1.94,
      "shares_held": 1318000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 10,
      "name": "株式会社三菱東京ＵＦＪ銀行",
      "shareholding_ratio": 1.92,
      "shares_held": 1300000
    },
    {
      "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": 6.56,
      "shares_held": 4430000
    },
    {
      "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": 4.16,
      "shares_held": 2812000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 3,
      "name": "アイカ工業取引先持株会",
      "shareholding_ratio": 3.03,
      "shares_held": 2048000
    },
    {
      "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9）",
      "shareholding_ratio": 2.42,
      "shares_held": 1635000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 5,
      "name": "アイカ工業株式保有会",
      "shareholding_ratio": 2.37,
      "shares_held": 1602000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 6,
      "name": "GOLDMAN, SACHS & CO.REG （常任代理人 ゴールドマン・サックス 証券株式会社）",
      "shareholding_ratio": 2.03,
      "shares_held": 1375000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 7,
      "name": "住友生命保険相互会社 （常任代理人 日本トラスティ・サービス 信託銀行株式会社）",
      "shareholding_ratio": 1.95,
      "shares_held": 1318000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 8,
      "name": "JP MORGAN CHASE BANK 385174 （常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 1.93,
      "shares_held": 1305000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 9,
      "name": "株式会社三菱東京ＵＦＪ銀行",
      "shareholding_ratio": 1.92,
      "shares_held": 1300000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 10,
      "name": "大日本印刷株式会社",
      "shareholding_ratio": 1.91,
      "shares_held": 1293000
    },
    {
      "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": 7.62,
      "shares_held": 4972000
    },
    {
      "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": 5.29,
      "shares_held": 3452000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 3,
      "name": "アイカ工業取引先持株会",
      "shareholding_ratio": 3.18,
      "shares_held": 2078000
    },
    {
      "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9）",
      "shareholding_ratio": 2.61,
      "shares_held": 1707000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 5,
      "name": "アイカ工業株式保有会",
      "shareholding_ratio": 2.39,
      "shares_held": 1562000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 6,
      "name": "BBH FOR MATTHEWS JAPAN FUND （常任代理人 株式会社三菱UFJ銀行）",
      "shareholding_ratio": 2.05,
      "shares_held": 1335000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 7,
      "name": "住友生命保険相互会社 （常任代理人 日本トラスティ・サービス 信託銀行株式会社）",
      "shareholding_ratio": 2.02,
      "shares_held": 1318000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 8,
      "name": "株式会社三菱ＵＦＪ銀行",
      "shareholding_ratio": 1.99,
      "shares_held": 1300000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 9,
      "name": "大日本印刷株式会社",
      "shareholding_ratio": 1.98,
      "shares_held": 1293000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 10,
      "name": "デンカ株式会社",
      "shareholding_ratio": 1.88,
      "shares_held": 1229000
    },
    {
      "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": 8.9,
      "shares_held": 5808000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "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": 6.39,
      "shares_held": 4173000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 3,
      "name": "アイカ工業取引先持株会",
      "shareholding_ratio": 3.28,
      "shares_held": 2140000
    },
    {
      "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9）",
      "shareholding_ratio": 2.38,
      "shares_held": 1551000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 5,
      "name": "アイカ工業株式保有会",
      "shareholding_ratio": 2.28,
      "shares_held": 1486000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 6,
      "name": "BBH FOR MATTHEWS JAPAN FUND （常任代理人 株式会社三菱UFJ銀行）",
      "shareholding_ratio": 2.24,
      "shares_held": 1464000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 7,
      "name": "住友生命保険相互会社 （常任代理人 日本トラスティ・サービス 信託銀行株式会社）",
      "shareholding_ratio": 2.02,
      "shares_held": 1318000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 8,
      "name": "株式会社三菱ＵＦＪ銀行",
      "shareholding_ratio": 1.99,
      "shares_held": 1300000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 9,
      "name": "大日本印刷株式会社",
      "shareholding_ratio": 1.98,
      "shares_held": 1293000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 10,
      "name": "デンカ株式会社",
      "shareholding_ratio": 1.88,
      "shares_held": 1229000
    },
    {
      "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": 9.61,
      "shares_held": 6272000
    },
    {
      "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": 6.67,
      "shares_held": 4356000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 3,
      "name": "アイカ工業取引先持株会",
      "shareholding_ratio": 3.43,
      "shares_held": 2241000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "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9）",
      "shareholding_ratio": 2.37,
      "shares_held": 1545000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 5,
      "name": "アイカ工業株式保有会",
      "shareholding_ratio": 2.34,
      "shares_held": 1525000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 6,
      "name": "THE BANK OF NEW YORK MELLON (INTERNATIONAL) LIMITED 131800 （常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 2.24,
      "shares_held": 1459000
    },
    {
      "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4）",
      "shareholding_ratio": 2.07,
      "shares_held": 1349000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 8,
      "name": "住友生命保険相互会社 （常任代理人 日本トラスティ・サービス 信託銀行株式会社）",
      "shareholding_ratio": 2.02,
      "shares_held": 1318000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 9,
      "name": "株式会社三菱ＵＦＪ銀行",
      "shareholding_ratio": 1.99,
      "shares_held": 1300000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 10,
      "name": "大日本印刷株式会社",
      "shareholding_ratio": 1.98,
      "shares_held": 1293000
    },
    {
      "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": 10.33,
      "shares_held": 6741000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 2,
      "name": "株式会社日本カストディ銀行（信託口）",
      "shareholding_ratio": 6.36,
      "shares_held": 4151000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 3,
      "name": "アイカ工業取引先持株会",
      "shareholding_ratio": 3.49,
      "shares_held": 2279000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 4,
      "name": "THE BANK OF NEW YORK MELLON (INTERNATIONAL) LIMITED 131800 （常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 2.74,
      "shares_held": 1791000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 5,
      "name": "アイカ工業株式保有会",
      "shareholding_ratio": 2.4,
      "shares_held": 1565000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 6,
      "name": "株式会社日本カストディ銀行（信託口9）",
      "shareholding_ratio": 2.37,
      "shares_held": 1545000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 7,
      "name": "株式会社日本カストディ銀行（信託口4）",
      "shareholding_ratio": 2.06,
      "shares_held": 1342000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 8,
      "name": "住友生命保険相互会社 （常任代理人 株式会社日本カストディ銀行）",
      "shareholding_ratio": 2.02,
      "shares_held": 1318000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 9,
      "name": "株式会社三菱ＵＦＪ銀行",
      "shareholding_ratio": 1.99,
      "shares_held": 1300000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 10,
      "name": "大日本印刷株式会社",
      "shareholding_ratio": 1.98,
      "shares_held": 1293000
    },
    {
      "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": 17.89,
      "shares_held": 11689000
    },
    {
      "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": 6.04,
      "shares_held": 3944000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 3,
      "name": "アイカ工業取引先持株会",
      "shareholding_ratio": 3.52,
      "shares_held": 2302000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 4,
      "name": "THE BANK OF NEW YORK MELLON (INTERNATIONAL) LIMITED 131800 （常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 2.75,
      "shares_held": 1797000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 5,
      "name": "アイカ工業株式保有会",
      "shareholding_ratio": 2.42,
      "shares_held": 1580000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 6,
      "name": "住友生命保険相互会社 （常任代理人 株式会社日本カストディ銀行）",
      "shareholding_ratio": 2.02,
      "shares_held": 1318000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 7,
      "name": "株式会社三菱UFJ銀行",
      "shareholding_ratio": 1.99,
      "shares_held": 1300000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 8,
      "name": "大日本印刷株式会社",
      "shareholding_ratio": 1.98,
      "shares_held": 1293000
    },
    {
      "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": 1.93,
      "shares_held": 1262000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 10,
      "name": "デンカ株式会社",
      "shareholding_ratio": 1.88,
      "shares_held": 1229000
    },
    {
      "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": 17.38,
      "shares_held": 11123000
    },
    {
      "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": 6.16,
      "shares_held": 3944000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 3,
      "name": "アイカ工業取引先持株会",
      "shareholding_ratio": 3.58,
      "shares_held": 2288000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 4,
      "name": "THE BANK OF NEW YORK MELLON (INTERNATIONAL) LIMITED 131800 （常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 2.69,
      "shares_held": 1723000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 5,
      "name": "アイカ工業株式保有会",
      "shareholding_ratio": 2.55,
      "shares_held": 1633000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 6,
      "name": "株式会社日本カストディ銀行（信託口４）",
      "shareholding_ratio": 2.23,
      "shares_held": 1424000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 7,
      "name": "住友生命保険相互会社 （常任代理人 株式会社日本カス トディ銀行）",
      "shareholding_ratio": 2.06,
      "shares_held": 1318000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 8,
      "name": "株式会社三菱UFJ銀行",
      "shareholding_ratio": 2.03,
      "shares_held": 1300000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 9,
      "name": "大日本印刷株式会社",
      "shareholding_ratio": 2.02,
      "shares_held": 1293000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 10,
      "name": "東京海上日動火災保険株式会社",
      "shareholding_ratio": 1.46,
      "shares_held": 931000
    },
    {
      "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": 16.61,
      "shares_held": 10634000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 2,
      "name": "株式会社日本カストディ銀行（信託口）",
      "shareholding_ratio": 7.03,
      "shares_held": 4501000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
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}