{
  "spec_version": "3",
  "endpoint": "shareholders",
  "stock_code": "1503",
  "company_name": "住石ホールディングス",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/1503/shareholders/",
  "api_url": "/api/1503/shareholders.json",
  "updated": "2026-08-21",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/1503/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": 3.04,
      "shares_held": 1791000
    },
    {
      "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": 2.55,
      "shares_held": 1499000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 3,
      "name": "株式会社三井住友銀行",
      "shareholding_ratio": 2.25,
      "shares_held": 1323000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "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": 1.63,
      "shares_held": 960000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 5,
      "name": "三井住友カード株式会社",
      "shareholding_ratio": 1.45,
      "shares_held": 855000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 6,
      "name": "株式会社日本総合研究所",
      "shareholding_ratio": 1.42,
      "shares_held": 835000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 7,
      "name": "株式会社セディナ",
      "shareholding_ratio": 1.4,
      "shares_held": 823000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "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": 1.34,
      "shares_held": 787000
    },
    {
      "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５）",
      "shareholding_ratio": 1.16,
      "shares_held": 681000
    },
    {
      "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": 1.15,
      "shares_held": 674000
    },
    {
      "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": 3.11,
      "shares_held": 1828000
    },
    {
      "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": 2.28,
      "shares_held": 1340000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 3,
      "name": "株式会社三井住友銀行",
      "shareholding_ratio": 2.25,
      "shares_held": 1323000
    },
    {
      "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": 1.97,
      "shares_held": 1158000
    },
    {
      "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": 1.77,
      "shares_held": 1044000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 6,
      "name": "三井住友カード株式会社",
      "shareholding_ratio": 1.45,
      "shares_held": 855000
    },
    {
      "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２）",
      "shareholding_ratio": 1.43,
      "shares_held": 842000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 8,
      "name": "鈴村 信夫",
      "shareholding_ratio": 1.43,
      "shares_held": 842000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 9,
      "name": "株式会社日本総合研究所",
      "shareholding_ratio": 1.42,
      "shares_held": 835000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 10,
      "name": "株式会社セディナ",
      "shareholding_ratio": 1.4,
      "shares_held": 823000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 1,
      "name": "ＨＯＲＩＺＯＮ ＧＲＯＷＴＨ ＦＵＮＤ （常任代理人 株式会社三菱ＵＦＪ銀行）",
      "shareholding_ratio": 3.07,
      "shares_held": 1714000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "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": 2.52,
      "shares_held": 1407000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 3,
      "name": "株式会社三井住友銀行",
      "shareholding_ratio": 2.37,
      "shares_held": 1323000
    },
    {
      "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": 2,
      "shares_held": 1116000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 5,
      "name": "野村信託銀行株式会社 （投信口）",
      "shareholding_ratio": 1.97,
      "shares_held": 1102000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 6,
      "name": "株式会社麻生",
      "shareholding_ratio": 1.97,
      "shares_held": 1100000
    },
    {
      "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１）",
      "shareholding_ratio": 1.77,
      "shares_held": 987000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 8,
      "name": "ＢＮＹ ＧＣＭ ＣＬＩＥＮＴ ＡＣＣＯＵＮＴ ＪＰＲＤ ＡＣ ＩＳＧ （ＦＥ－ＡＣ） （常任代理人 株式会社三菱ＵＦＪ銀行）",
      "shareholding_ratio": 1.75,
      "shares_held": 976000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 9,
      "name": "松井証券株式会社",
      "shareholding_ratio": 1.65,
      "shares_held": 923000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "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）",
      "shareholding_ratio": 1.55,
      "shares_held": 867000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 1,
      "name": "株式会社麻生",
      "shareholding_ratio": 4.95,
      "shares_held": 2688000
    },
    {
      "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": 4.16,
      "shares_held": 2260000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 3,
      "name": "株式会社三井住友銀行",
      "shareholding_ratio": 2.44,
      "shares_held": 1323000
    },
    {
      "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": 2.09,
      "shares_held": 1137000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 5,
      "name": "野村信託銀行株式会社 （投信口）",
      "shareholding_ratio": 2.06,
      "shares_held": 1121000
    },
    {
      "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）",
      "shareholding_ratio": 1.9,
      "shares_held": 1031000
    },
    {
      "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１）",
      "shareholding_ratio": 1.65,
      "shares_held": 894000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 8,
      "name": "三井住友カード株式会社",
      "shareholding_ratio": 1.57,
      "shares_held": 855000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 9,
      "name": "株式会社日本総合研究所",
      "shareholding_ratio": 1.54,
      "shares_held": 835000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 10,
      "name": "株式会社セディナ",
      "shareholding_ratio": 1.51,
      "shares_held": 823000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 1,
      "name": "株式会社麻生",
      "shareholding_ratio": 11.64,
      "shares_held": 6153000
    },
    {
      "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": 5.51,
      "shares_held": 2910000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 3,
      "name": "株式会社三井住友銀行",
      "shareholding_ratio": 2.5,
      "shares_held": 1323000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 4,
      "name": "BNYM AS AGT/CLTS NON TREATY JASDEC",
      "shareholding_ratio": 2.37,
      "shares_held": 1252000
    },
    {
      "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）",
      "shareholding_ratio": 2.17,
      "shares_held": 1147000
    },
    {
      "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": 2.14,
      "shares_held": 1133000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 7,
      "name": "STATE STREET BANK AND TRUST COMPANY 505025",
      "shareholding_ratio": 1.88,
      "shares_held": 996000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 8,
      "name": "三井住友カード株式会社",
      "shareholding_ratio": 1.62,
      "shares_held": 855000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 9,
      "name": "株式会社日本総合研究所",
      "shareholding_ratio": 1.58,
      "shares_held": 835000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 10,
      "name": "株式会社セディナ",
      "shareholding_ratio": 1.56,
      "shares_held": 823000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 1,
      "name": "株式会社麻生",
      "shareholding_ratio": 11.25,
      "shares_held": 6153000
    },
    {
      "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": 5.63,
      "shares_held": 3080000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 3,
      "name": "光通信株式会社",
      "shareholding_ratio": 2.82,
      "shares_held": 1543000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 4,
      "name": "株式会社日本カストディ銀行（信託口）",
      "shareholding_ratio": 2.71,
      "shares_held": 1484000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 5,
      "name": "THE HONGKONG AND SHANGHAIBANKING CORPORATION LIMITED-HONG KONG PRIVATE BANKING DIVISION CLIENT A/C8028-394841",
      "shareholding_ratio": 2.64,
      "shares_held": 1446000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 6,
      "name": "株式会社三井住友銀行",
      "shareholding_ratio": 2.42,
      "shares_held": 1323000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 7,
      "name": "SHIGETA MITSUTOKI",
      "shareholding_ratio": 2.29,
      "shares_held": 1252000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 8,
      "name": "THE HONGKONG AND SHANGHAIBANKING CORPORATION LTD-SINGAPORE BRANCH PRIVATE BANKING DIVISION CLIENT A/C8221-563114",
      "shareholding_ratio": 1.59,
      "shares_held": 868000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 9,
      "name": "三井住友カード株式会社",
      "shareholding_ratio": 1.56,
      "shares_held": 855000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 10,
      "name": "株式会社日本総合研究所",
      "shareholding_ratio": 1.53,
      "shares_held": 835000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 1,
      "name": "株式会社麻生",
      "shareholding_ratio": 11.18,
      "shares_held": 6153000
    },
    {
      "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": 10.06,
      "shares_held": 5535000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 3,
      "name": "光通信株式会社",
      "shareholding_ratio": 4.07,
      "shares_held": 2237000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 4,
      "name": "花光雅丸",
      "shareholding_ratio": 2.48,
      "shares_held": 1364000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 5,
      "name": "株式会社三井住友銀行",
      "shareholding_ratio": 2.41,
      "shares_held": 1323000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 6,
      "name": "SHIGETA MITSUTOKI",
      "shareholding_ratio": 2.28,
      "shares_held": 1252000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 7,
      "name": "GMOクリック証券株式会社",
      "shareholding_ratio": 1.72,
      "shares_held": 948000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 8,
      "name": "株式会社日本カストディ銀行 (信託口)",
      "shareholding_ratio": 1.59,
      "shares_held": 877000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 9,
      "name": "三井住友カード株式会社",
      "shareholding_ratio": 1.56,
      "shares_held": 855000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 10,
      "name": "株式会社日本総合研究所",
      "shareholding_ratio": 1.52,
      "shares_held": 835000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 1,
      "name": "株式会社麻生",
      "shareholding_ratio": 20.82,
      "shares_held": 11080000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 2,
      "name": "GMOクリック証券株式会社",
      "shareholding_ratio": 6.71,
      "shares_held": 3570000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 3,
      "name": "日本証券金融株式会社",
      "shareholding_ratio": 6.09,
      "shares_held": 3239000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 4,
      "name": "野村證券株式会社",
      "shareholding_ratio": 5.81,
      "shares_held": 3095000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 5,
      "name": "日本マスタートラスト信託銀行株式会社(信託口)",
      "shareholding_ratio": 4.8,
      "shares_held": 2554000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 6,
      "name": "株式会社三井住友銀行",
      "shareholding_ratio": 2.49,
      "shares_held": 1324000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 7,
      "name": "井村俊哉",
      "shareholding_ratio": 2.26,
      "shares_held": 1201000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 8,
      "name": "三井住友カード株式会社",
      "shareholding_ratio": 1.61,
      "shares_held": 856000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 9,
      "name": "株式会社日本総合研究所",
      "shareholding_ratio": 1.57,
      "shares_held": 836000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 10,
      "name": "SMBCファイナンスサービス 株式会社",
      "shareholding_ratio": 1.55,
      "shares_held": 823000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 1,
      "name": "株式会社麻生",
      "shareholding_ratio": 49.05,
      "shares_held": 25229000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "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": 4.75,
      "shares_held": 2441000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 3,
      "name": "株式会社三井住友銀行",
      "shareholding_ratio": 2.57,
      "shares_held": 1324000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 4,
      "name": "三井住友カード株式会社",
      "shareholding_ratio": 1.66,
      "shares_held": 856000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 5,
      "name": "株式会社日本総合研究所",
      "shareholding_ratio": 1.63,
      "shares_held": 836000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 6,
      "name": "SMBCファイナンスサービス 株式会社",
      "shareholding_ratio": 1.6,
      "shares_held": 823000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
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