{
  "spec_version": "3",
  "endpoint": "shareholders",
  "stock_code": "4310",
  "company_name": "ドリームインキュベータ",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/4310/shareholders/",
  "api_url": "/api/4310/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/4310/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": "堀 紘一",
      "shareholding_ratio": 13.19,
      "shares_held": 1342900
    },
    {
      "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": 8.21,
      "shares_held": 836400
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 3,
      "name": "古谷 昇",
      "shareholding_ratio": 5.98,
      "shares_held": 609700
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 4,
      "name": "オリックス株式会社",
      "shareholding_ratio": 4.59,
      "shares_held": 468200
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 5,
      "name": "株式会社ワイズマン",
      "shareholding_ratio": 3.92,
      "shares_held": 400000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 6,
      "name": "上嶋 秀治",
      "shareholding_ratio": 3.66,
      "shares_held": 373200
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 7,
      "name": "山川 隆義",
      "shareholding_ratio": 2.78,
      "shares_held": 283700
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 8,
      "name": "宮内 義彦",
      "shareholding_ratio": 1.89,
      "shares_held": 192500
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 9,
      "name": "THE BANK OF NEW YORK 133524（常用代理人 ㈱みずほ銀行決済営業部)",
      "shareholding_ratio": 1.62,
      "shares_held": 165700
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 10,
      "name": "野崎 俊哉",
      "shareholding_ratio": 1.46,
      "shares_held": 149600
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 1,
      "name": "堀 紘一",
      "shareholding_ratio": 13.74,
      "shares_held": 1407600
    },
    {
      "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": 6.91,
      "shares_held": 708600
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 3,
      "name": "古谷 昇",
      "shareholding_ratio": 5.95,
      "shares_held": 609700
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 4,
      "name": "オリックス株式会社",
      "shareholding_ratio": 4.57,
      "shares_held": 468200
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 5,
      "name": "株式会社ワイズマン",
      "shareholding_ratio": 3.9,
      "shares_held": 400000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 6,
      "name": "上嶋 秀治",
      "shareholding_ratio": 3.66,
      "shares_held": 375400
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 7,
      "name": "山川 隆義",
      "shareholding_ratio": 2.9,
      "shares_held": 297200
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 8,
      "name": "MSIP CLIENT SECURITIES （常用代理人 モルガン・スタンレーMUFG証券 ㈱証券管理部）",
      "shareholding_ratio": 1.96,
      "shares_held": 201600
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 9,
      "name": "宮内 義彦",
      "shareholding_ratio": 1.76,
      "shares_held": 180500
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 10,
      "name": "THE BANK OF NEW YORK 133524 （常用代理人 ㈱みずほ銀行決済営業部）",
      "shareholding_ratio": 1.61,
      "shares_held": 165700
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 1,
      "name": "堀 紘一",
      "shareholding_ratio": 13.96,
      "shares_held": 1407600
    },
    {
      "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": 8.78,
      "shares_held": 886000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 3,
      "name": "古谷 昇",
      "shareholding_ratio": 6.04,
      "shares_held": 609700
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 4,
      "name": "オリックス株式会社",
      "shareholding_ratio": 4.64,
      "shares_held": 468200
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 5,
      "name": "MSIP CLIENT SECURITIES （常用代理人 モルガン・スタンレーMUFG証券 ㈱証券管理部）",
      "shareholding_ratio": 4.06,
      "shares_held": 409600
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 6,
      "name": "株式会社ワイズマン",
      "shareholding_ratio": 3.96,
      "shares_held": 400000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 7,
      "name": "上嶋 秀治",
      "shareholding_ratio": 3.71,
      "shares_held": 374800
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 8,
      "name": "山川 隆義",
      "shareholding_ratio": 2.94,
      "shares_held": 297200
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 9,
      "name": "THE BANK OF NEW YORK 133524 （常用代理人 ㈱みずほ銀行決済営業部）",
      "shareholding_ratio": 2.67,
      "shares_held": 269800
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 10,
      "name": "宮内 義彦",
      "shareholding_ratio": 1.79,
      "shares_held": 180500
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 1,
      "name": "堀 紘一",
      "shareholding_ratio": 13.66,
      "shares_held": 1407600
    },
    {
      "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": 7.57,
      "shares_held": 780300
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 3,
      "name": "古谷 昇",
      "shareholding_ratio": 5.91,
      "shares_held": 609700
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 4,
      "name": "オリックス株式会社",
      "shareholding_ratio": 4.54,
      "shares_held": 468200
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 5,
      "name": "MSCO CUSTOMER SECURITIES （常用代理人 モルガン・スタンレーMUFG証券 ㈱証券管理部）",
      "shareholding_ratio": 4.45,
      "shares_held": 458300
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 6,
      "name": "THE BANK OF NEW YORK MELLON 140051 （常用代理人 ㈱みずほ銀行決済営業部）",
      "shareholding_ratio": 4.34,
      "shares_held": 447100
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 7,
      "name": "株式会社ワイズマン",
      "shareholding_ratio": 3.88,
      "shares_held": 400000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 8,
      "name": "MSIP CLIENT SECURITIES （常用代理人 モルガン・スタンレーMUFG証券 ㈱証券管理部）",
      "shareholding_ratio": 3.51,
      "shares_held": 361563
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 9,
      "name": "山川 隆義",
      "shareholding_ratio": 2.88,
      "shares_held": 297200
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 10,
      "name": "上嶋 秀治",
      "shareholding_ratio": 2.64,
      "shares_held": 272100
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 1,
      "name": "堀 紘一",
      "shareholding_ratio": 13.89,
      "shares_held": 1407600
    },
    {
      "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": 7.34,
      "shares_held": 744200
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 3,
      "name": "古谷 昇",
      "shareholding_ratio": 6.01,
      "shares_held": 609700
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 4,
      "name": "MSCO CUSTOMER SECURITIES (常任代理人 モルガン・スタンレーMUFG証券 ㈱証券管理部)",
      "shareholding_ratio": 4.78,
      "shares_held": 485000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 5,
      "name": "オリックス株式会社",
      "shareholding_ratio": 4.62,
      "shares_held": 468200
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 6,
      "name": "モルガン・スタンレーMUFG証券株式会社",
      "shareholding_ratio": 4.32,
      "shares_held": 438163
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 7,
      "name": "株式会社ワイズマン",
      "shareholding_ratio": 3.94,
      "shares_held": 400000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 8,
      "name": "THE BANK OF NEW YORK MELLON 140051(常任代理人 株式会社みずほ銀行決済営業部)",
      "shareholding_ratio": 3.56,
      "shares_held": 361500
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 9,
      "name": "山川 隆義",
      "shareholding_ratio": 2.93,
      "shares_held": 297200
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 10,
      "name": "日本マスタートラスト信託銀行株式会社(信託口)",
      "shareholding_ratio": 2.29,
      "shares_held": 232700
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 1,
      "name": "堀 紘一",
      "shareholding_ratio": 14.2,
      "shares_held": 1422000
    },
    {
      "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": 7.06,
      "shares_held": 706800
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 3,
      "name": "古谷 昇",
      "shareholding_ratio": 6.09,
      "shares_held": 609700
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 4,
      "name": "MSCO CUSTOMER SECURITIES (常任代理人 モルガン・スタンレーMUFG証券 ㈱証券管理部)",
      "shareholding_ratio": 4.84,
      "shares_held": 484900
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 5,
      "name": "オリックス株式会社",
      "shareholding_ratio": 4.27,
      "shares_held": 428300
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 6,
      "name": "株式会社ワイズマン",
      "shareholding_ratio": 3.99,
      "shares_held": 400000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 7,
      "name": "J．P．Morgan Securities plc (常任代理人 JPモルガン証券株式会社)",
      "shareholding_ratio": 3.77,
      "shares_held": 377588
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 8,
      "name": "山川 隆義",
      "shareholding_ratio": 3.49,
      "shares_held": 349900
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 9,
      "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": 2.94,
      "shares_held": 295001
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 10,
      "name": "モルガン・スタンレーMUFG証券株式会社",
      "shareholding_ratio": 2.93,
      "shares_held": 294063
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 1,
      "name": "株式会社電通グループ",
      "shareholding_ratio": 21.83,
      "shares_held": 2192700
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 2,
      "name": "BNYM AS AGT/CLTS NON TREATY JASDEC (常任代理人 株式会社三菱UFJ銀行)",
      "shareholding_ratio": 9.67,
      "shares_held": 972100
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 3,
      "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": 8.33,
      "shares_held": 837400
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "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": 7.9,
      "shares_held": 794000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 5,
      "name": "古谷 昇",
      "shareholding_ratio": 6.06,
      "shares_held": 608700
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 6,
      "name": "日本マスタートラスト信託銀行株式会社(信託口)",
      "shareholding_ratio": 4.58,
      "shares_held": 460000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 7,
      "name": "山川 隆義",
      "shareholding_ratio": 3.3,
      "shares_held": 331500
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 8,
      "name": "NORTHERN TRUST CO.(AVFC) SUB A/C NON TREATY (常任代理人 香港上海銀行東京支店)",
      "shareholding_ratio": 3.28,
      "shares_held": 330100
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 9,
      "name": "CITCO TRUSTEES (CAYMAN) LIMITED SOLELY IN ITS CAPACITY AS TRUSTEE OF THE VPL１ TRUST (常任代理人 立花証券株式会社)",
      "shareholding_ratio": 2.48,
      "shares_held": 250000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 10,
      "name": "宮内 義彦",
      "shareholding_ratio": 1.79,
      "shares_held": 180500
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 1,
      "name": "株式会社電通グループ",
      "shareholding_ratio": 22.46,
      "shares_held": 2192700
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 2,
      "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": 9.19,
      "shares_held": 897500
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 3,
      "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": 8.25,
      "shares_held": 805400
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 4,
      "name": "古谷 昇",
      "shareholding_ratio": 6.2,
      "shares_held": 605700
    },
    {
      "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": 5.27,
      "shares_held": 514500
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 6,
      "name": "NORTHERN TRUST CO.(AVFC) RE NON TREATY CLIENTS ACCOUNT (常任代理人 香港上海銀行東京支店)",
      "shareholding_ratio": 3.56,
      "shares_held": 347600
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 7,
      "name": "CITCO TRUSTEES (CAYMAN) LIMITED SOLELY IN ITS CAPACITY AS TRUSTEE OF THE VPLI TRUST (常任代理人 立花証券株式会社)",
      "shareholding_ratio": 2.56,
      "shares_held": 250000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 8,
      "name": "宮内 義彦",
      "shareholding_ratio": 1.85,
      "shares_held": 180500
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 9,
      "name": "ＳＭＢＣ日興証券株式会社",
      "shareholding_ratio": 1.74,
      "shares_held": 169600
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 10,
      "name": "野崎 俊哉",
      "shareholding_ratio": 1.56,
      "shares_held": 152100
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 1,
      "name": "株式会社電通グループ",
      "shareholding_ratio": 23.17,
      "shares_held": 2192700
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 2,
      "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": 11.02,
      "shares_held": 1043086
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 3,
      "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": 9.81,
      "shares_held": 928800
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 4,
      "name": "古谷 昇",
      "shareholding_ratio": 6.4,
      "shares_held": 605700
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "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": 5.6,
      "shares_held": 530400
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 6,
      "name": "NORTHERN TRUST CO.(AVFC) RE NON TREATY CLIENTS ACCOUNT (常任代理人 香港上海銀行東京支店)",
      "shareholding_ratio": 4.33,
      "shares_held": 410000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
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