{
  "spec_version": "3",
  "endpoint": "shareholders",
  "stock_code": "9616",
  "company_name": "共立メンテナンス",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/9616/shareholders/",
  "api_url": "/api/9616/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/9616/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": "㈱マイルストーン",
      "shareholding_ratio": 10.9,
      "shares_held": 2121000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 2,
      "name": "日本トラスティ・サービス信託銀行㈱ （信託口）",
      "shareholding_ratio": 5.8,
      "shares_held": 1128000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 3,
      "name": "一般財団法人共立国際交流奨学財団",
      "shareholding_ratio": 5.23,
      "shares_held": 1017000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 4,
      "name": "STATE STREET BANK AND TRUST COMPANY （常任代理人 香港上海銀行東京支店)",
      "shareholding_ratio": 3.27,
      "shares_held": 636000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 5,
      "name": "日本マスタートラスト信託銀行㈱ （信託口）",
      "shareholding_ratio": 3.16,
      "shares_held": 615000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 6,
      "name": "BBH FOR MATTHEWS JAPAN FUND （常任代理人 ㈱三菱東京ＵＦＪ銀行）",
      "shareholding_ratio": 2.89,
      "shares_held": 562000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 7,
      "name": "石塚 晴久",
      "shareholding_ratio": 2.7,
      "shares_held": 526000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 8,
      "name": "BNY GCM CLIENT ACCOUNT JPRD AC ISG （FE-AC) （常任代理人 ㈱三菱東京ＵＦＪ銀行）",
      "shareholding_ratio": 2.22,
      "shares_held": 432000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 9,
      "name": "J.P. MORGAN BANK LUXEMBOURG S.A. 380578 （常任代理人 ㈱みずほ銀行）",
      "shareholding_ratio": 2.04,
      "shares_held": 397000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 10,
      "name": "㈱三井住友銀行",
      "shareholding_ratio": 2.03,
      "shares_held": 396000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 1,
      "name": "㈱マイルストーン",
      "shareholding_ratio": 10.89,
      "shares_held": 2121000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 2,
      "name": "一般財団法人共立国際交流奨学財団",
      "shareholding_ratio": 5.22,
      "shares_held": 1017000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 3,
      "name": "BBH FOR MATTHEWS JAPAN FUND （常任代理人 ㈱三菱東京ＵＦＪ銀行）",
      "shareholding_ratio": 4.29,
      "shares_held": 837000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 4,
      "name": "STATE STREET BANK AND TRUST COMPANY （常任代理人 香港上海銀行東京支店)",
      "shareholding_ratio": 3.55,
      "shares_held": 691000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 5,
      "name": "日本トラスティ・サービス信託銀行㈱ （信託口）",
      "shareholding_ratio": 2.88,
      "shares_held": 562000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 6,
      "name": "石塚 晴久",
      "shareholding_ratio": 2.7,
      "shares_held": 526000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 7,
      "name": "日本マスタートラスト信託銀行㈱ （信託口）",
      "shareholding_ratio": 2.58,
      "shares_held": 503000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 8,
      "name": "日本トラスティ・サービス信託銀行㈱ （信託口９）",
      "shareholding_ratio": 2.07,
      "shares_held": 404000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 9,
      "name": "㈱三井住友銀行",
      "shareholding_ratio": 2.03,
      "shares_held": 396000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 10,
      "name": "MSCO CUSTOMER SECURITIES （常任代理人 モルガン・スタンレーMUFG証券㈱）",
      "shareholding_ratio": 1.77,
      "shares_held": 345000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 1,
      "name": "㈱マイルストーン",
      "shareholding_ratio": 10.88,
      "shares_held": 4242000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 2,
      "name": "日本トラスティ・サービス信託銀行㈱ （信託口）",
      "shareholding_ratio": 9.09,
      "shares_held": 3547000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 3,
      "name": "一般財団法人共立国際交流奨学財団",
      "shareholding_ratio": 5.22,
      "shares_held": 2035000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 4,
      "name": "STATE STREET BANK AND TRUST COMPANY （常任代理人 香港上海銀行東京支店)",
      "shareholding_ratio": 4.17,
      "shares_held": 1626000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 5,
      "name": "日本マスタートラスト信託銀行㈱ （信託口）",
      "shareholding_ratio": 3.41,
      "shares_held": 1331000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 6,
      "name": "石塚 晴久",
      "shareholding_ratio": 2.7,
      "shares_held": 1052000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 7,
      "name": "㈱三井住友銀行",
      "shareholding_ratio": 2.03,
      "shares_held": 792000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 8,
      "name": "MSCO CUSTOMER SECURITIES （常任代理人 モルガン・スタンレーMUFG証券㈱）",
      "shareholding_ratio": 1.73,
      "shares_held": 677000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 9,
      "name": "㈱みずほ銀行 （常任代理人 資産管理サービス信託銀行㈱）",
      "shareholding_ratio": 1.73,
      "shares_held": 676000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 10,
      "name": "㈱三菱東京UFJ銀行",
      "shareholding_ratio": 1.73,
      "shares_held": 675000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 1,
      "name": "㈱マイルストーン",
      "shareholding_ratio": 10.88,
      "shares_held": 4242000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 2,
      "name": "日本トラスティ・サービス信託銀行㈱ （信託口）",
      "shareholding_ratio": 10.26,
      "shares_held": 4003000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 3,
      "name": "一般財団法人共立国際交流奨学財団",
      "shareholding_ratio": 5.21,
      "shares_held": 2035000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 4,
      "name": "石塚 晴久",
      "shareholding_ratio": 2.7,
      "shares_held": 1052000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 5,
      "name": "日本マスタートラスト信託銀行㈱ （信託口）",
      "shareholding_ratio": 2.61,
      "shares_held": 1019000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 6,
      "name": "㈱三井住友銀行",
      "shareholding_ratio": 2.03,
      "shares_held": 792000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 7,
      "name": "J.P. MORGAN BANK LUXEMBOURG S.A. 1300000 （常任代理人 ㈱みずほ銀行決済営業部）",
      "shareholding_ratio": 1.76,
      "shares_held": 686000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 8,
      "name": "㈱みずほ銀行 （常任代理人 資産管理サービス信託銀行㈱）",
      "shareholding_ratio": 1.73,
      "shares_held": 676000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 9,
      "name": "㈱三菱UFJ銀行",
      "shareholding_ratio": 1.73,
      "shares_held": 675000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 10,
      "name": "NORTHERN TRUST CO. (AVFC) RE IEDU UCITS CLIENTS NON LENDING 15 PCT TREATY ACCOUNT （常任代理人 香港上海銀行東京支店）",
      "shareholding_ratio": 1.7,
      "shares_held": 665000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 1,
      "name": "㈱マイルストーン",
      "shareholding_ratio": 10.88,
      "shares_held": 4242000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 2,
      "name": "一般財団法人共立国際交流奨学財団",
      "shareholding_ratio": 5.21,
      "shares_held": 2035000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 3,
      "name": "日本マスタートラスト信託銀行㈱ （信託口）",
      "shareholding_ratio": 4.87,
      "shares_held": 1899000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 4,
      "name": "日本トラスティ・サービス信託銀行㈱ （信託口）",
      "shareholding_ratio": 3.56,
      "shares_held": 1389000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 5,
      "name": "石塚 晴久",
      "shareholding_ratio": 2.7,
      "shares_held": 1052000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 6,
      "name": "NORTHERN TRUST CO. (AVFC) RE IEDU UCITS CLIENTS NON LENDING 15 PCT TREATY ACCOUNT （常任代理人 香港上海銀行東京支店）",
      "shareholding_ratio": 2.44,
      "shares_held": 952000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 7,
      "name": "㈱三井住友銀行",
      "shareholding_ratio": 2.03,
      "shares_held": 792000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 8,
      "name": "㈱みずほ銀行 （常任代理人 資産管理サービス信託銀行㈱）",
      "shareholding_ratio": 1.73,
      "shares_held": 676000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 9,
      "name": "㈱三菱UFJ銀行",
      "shareholding_ratio": 1.73,
      "shares_held": 675000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 10,
      "name": "日本トラスティ・サービス信託銀行㈱ （信託口５）",
      "shareholding_ratio": 1.65,
      "shares_held": 644000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 1,
      "name": "㈱マイルストーン",
      "shareholding_ratio": 10.88,
      "shares_held": 4242000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 2,
      "name": "一般財団法人共立国際交流奨学財団",
      "shareholding_ratio": 5.22,
      "shares_held": 2037000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 3,
      "name": "㈱日本カストディ銀行（信託口）",
      "shareholding_ratio": 4.83,
      "shares_held": 1886000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 4,
      "name": "日本マスタートラスト信託銀行㈱ （信託口）",
      "shareholding_ratio": 4.62,
      "shares_held": 1804000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 5,
      "name": "石塚 晴久",
      "shareholding_ratio": 2.7,
      "shares_held": 1052000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 6,
      "name": "NORTHERN TRUST CO. (AVFC) RE IEDU UCITS CLIENTS NON TREATY ACCOUNT 15.315 PCT （常任代理人 香港上海銀行東京支店）",
      "shareholding_ratio": 2.41,
      "shares_held": 940000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 7,
      "name": "㈱三井住友銀行",
      "shareholding_ratio": 2.03,
      "shares_held": 792000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 8,
      "name": "RBC ISB A/C LUX NON RESIDENT/DOMESTIC RATE-UCITS CLIENTS ACCOUNT （常任代理人 シティバンク、エヌ・エイ東京支店）",
      "shareholding_ratio": 2.01,
      "shares_held": 787000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 9,
      "name": "㈱三菱UFJ銀行",
      "shareholding_ratio": 1.73,
      "shares_held": 675000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 10,
      "name": "BNY GCM CLIENT ACCOUNT JPRD AC ISG (FE-AC) （常任代理人 ㈱三菱UFJ銀行）",
      "shareholding_ratio": 1.61,
      "shares_held": 630000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 1,
      "name": "日本マスタートラスト信託銀行㈱ （信託口）",
      "shareholding_ratio": 11.26,
      "shares_held": 4393000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 2,
      "name": "㈱マイルストーン",
      "shareholding_ratio": 10.88,
      "shares_held": 4242000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 3,
      "name": "㈱日本カストディ銀行（信託口）",
      "shareholding_ratio": 7.38,
      "shares_held": 2881000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 4,
      "name": "一般財団法人共立国際交流奨学財団",
      "shareholding_ratio": 5.22,
      "shares_held": 2037000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 5,
      "name": "石塚 晴久",
      "shareholding_ratio": 2.7,
      "shares_held": 1052000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 6,
      "name": "㈱三井住友銀行",
      "shareholding_ratio": 2.03,
      "shares_held": 792000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 7,
      "name": "JP MORGAN CHASE BANK 385632 （常任代理人 ㈱みずほ銀行決済営業部）",
      "shareholding_ratio": 2.01,
      "shares_held": 785000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 8,
      "name": "NORTHERN TRUST CO.(AVFC) RE TAMESIDE METROPOLITAN BOROUGH COUNCIL AS THE ADMINISTERING AUTHORITY OF THE GREATER MANCHESTER PENSION FUND （常任代理人 香港上海銀行東京支店）",
      "shareholding_ratio": 1.64,
      "shares_held": 642000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 9,
      "name": "NORTHERN TRUST CO.(AVFC) RE IEDU UCITS CLIENTS NON TREATY ACCOUNT 15.315 PCT （常任代理人香港上海銀行東京支店）",
      "shareholding_ratio": 1.62,
      "shares_held": 633000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 10,
      "name": "STATE STREET BANK AND TRUST COMPANY 505303 （常任代理人 ㈱みずほ銀行決済営業部）",
      "shareholding_ratio": 1.6,
      "shares_held": 624000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 1,
      "name": "日本マスタートラスト信託銀行㈱ （信託口）",
      "shareholding_ratio": 11.34,
      "shares_held": 4423000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 2,
      "name": "㈱マイルストーン",
      "shareholding_ratio": 10.87,
      "shares_held": 4242000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 3,
      "name": "㈱日本カストディ銀行（信託口）",
      "shareholding_ratio": 7.53,
      "shares_held": 2938000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 4,
      "name": "一般財団法人共立国際交流奨学財団",
      "shareholding_ratio": 5.22,
      "shares_held": 2037000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 5,
      "name": "石塚 晴久",
      "shareholding_ratio": 2.69,
      "shares_held": 1052000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 6,
      "name": "㈱三井住友銀行",
      "shareholding_ratio": 2.03,
      "shares_held": 792000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 7,
      "name": "MSIP CLIENT SECURITIES （常任代理人 モルガン・スタンレーMUFG証券㈱）",
      "shareholding_ratio": 1.91,
      "shares_held": 746000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 8,
      "name": "日本生命保険相互会社 （常任代理人 日本マスタートラスト信託銀行㈱）",
      "shareholding_ratio": 1.4,
      "shares_held": 548000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 9,
      "name": "NORTHERN TRUST CO.(AVFC) RE TAMESIDE METROPOLITAN BOROUGH COUNCIL AS THE ADMINISTERING AUTHORITY OF THE GREATER MANCHESTER PENSION FUND （常任代理人 香港上海銀行東京支店）",
      "shareholding_ratio": 1.39,
      "shares_held": 543000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 10,
      "name": "RBC ISB LUX NON RES/DOM RATE-UCITS CLIENTS ACCOUNT-MIG （常任代理人 シティバンク、エヌ・エイ東京支店）",
      "shareholding_ratio": 1.25,
      "shares_held": 487000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
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      "name": "㈱マイルストーン",
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