{
  "spec_version": "3",
  "endpoint": "shareholders",
  "stock_code": "8595",
  "company_name": "ジャフコ グループ",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/8595/shareholders/",
  "api_url": "/api/8595/shareholders.json",
  "updated": "2026-09-05",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/8595/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": "野村ホールディングス株式会社",
      "shareholding_ratio": 12.81,
      "shares_held": 6184000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 2,
      "name": "株式会社野村総合研究所",
      "shareholding_ratio": 10.25,
      "shares_held": 4948000
    },
    {
      "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",
      "shareholding_ratio": 8.14,
      "shares_held": 3929000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 4,
      "name": "野村アセットマネジメント株式会社",
      "shareholding_ratio": 4.77,
      "shares_held": 2304000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "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": 2.59,
      "shares_held": 1251000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 6,
      "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 香港上海銀行東京支店）",
      "shareholding_ratio": 2.34,
      "shares_held": 1130000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 7,
      "name": "THE CHASE MANHATTAN BANK 385029 （常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 2.17,
      "shares_held": 1046000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 8,
      "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": 1.98,
      "shares_held": 954000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 9,
      "name": "資産管理サービス信託銀行株式会社",
      "shareholding_ratio": 1.6,
      "shares_held": 774000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 10,
      "name": "CBNY-GOVERNMENT OF NORWAY （常任代理人 シティバンク銀行株式会社）",
      "shareholding_ratio": 1.58,
      "shares_held": 763000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 1,
      "name": "野村ホールディングス株式会社",
      "shareholding_ratio": 17.58,
      "shares_held": 8488000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 2,
      "name": "株式会社野村総合研究所",
      "shareholding_ratio": 10.25,
      "shares_held": 4948000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 3,
      "name": "日本トラスティ・サービス信託銀行株式会社",
      "shareholding_ratio": 9.59,
      "shares_held": 4629000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 4,
      "name": "日本マスタートラスト信託銀行株式会社（信託口）",
      "shareholding_ratio": 3.03,
      "shares_held": 1461000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 5,
      "name": "資産管理サービス信託銀行株式会社",
      "shareholding_ratio": 2.19,
      "shares_held": 1057000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 6,
      "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 香港上海銀行東京支店）",
      "shareholding_ratio": 1.7,
      "shares_held": 818000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 7,
      "name": "JP MORGAN CHASE BANK 385094 （常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 1.42,
      "shares_held": 683000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 8,
      "name": "J.P. MORGAN BANK LUXEMBOURG S.A. 380578 （常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 1.31,
      "shares_held": 630000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 9,
      "name": "NORTHERN TRUST GLOBAL SERVICES LIMITED RE DUTCH PENSION FUNDS EXEMPT ACCOUNT-LENDING （常任代理人 香港上海銀行東京支店）",
      "shareholding_ratio": 1.27,
      "shares_held": 611000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 10,
      "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": 1.24,
      "shares_held": 596000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 1,
      "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": 10.08,
      "shares_held": 3117000
    },
    {
      "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": 5.29,
      "shares_held": 1635000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 3,
      "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 香港上海銀行東京支店）",
      "shareholding_ratio": 2.65,
      "shares_held": 819000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 4,
      "name": "GOVERNMENT OF NORWAY （常任代理人 シティバンク、エヌ・エイ東京支店）",
      "shareholding_ratio": 2.12,
      "shares_held": 655000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 5,
      "name": "THE BANK OF NEW YORK MELLON 140044 （常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 2.04,
      "shares_held": 629000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "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": 1.75,
      "shares_held": 540000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 7,
      "name": "JP MORGAN CHASE BANK 385094 （常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 1.73,
      "shares_held": 536000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 8,
      "name": "STATE STREET BANK AND TRUST COMPANY 505225 （常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 1.46,
      "shares_held": 453000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "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９）",
      "shareholding_ratio": 1.45,
      "shares_held": 448000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 10,
      "name": "JP MORGAN CHASE BANK 385151 （常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 1.36,
      "shares_held": 421000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 1,
      "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": 12.12,
      "shares_held": 3748000
    },
    {
      "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": 6.76,
      "shares_held": 2090000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 3,
      "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 香港上海銀行東京支店）",
      "shareholding_ratio": 2.4,
      "shares_held": 742000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 4,
      "name": "STATE STREET BANK AND TRUST COMPANY 505103 （常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 2.15,
      "shares_held": 665000
    },
    {
      "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５）",
      "shareholding_ratio": 2.05,
      "shares_held": 633000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 6,
      "name": "STATE STREET BANK AND TRUST COMPANY 505001 （常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 1.99,
      "shares_held": 614000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 7,
      "name": "DFA INTL SMALL CAP VALUE PORTFOLIO （常任代理人 シティバンク、エヌ・エイ東京支店）",
      "shareholding_ratio": 1.81,
      "shares_held": 560000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 8,
      "name": "THE BANK OF NEW YORK MELLON 140044 （常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 1.74,
      "shares_held": 537000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 9,
      "name": "STATE STREET BANK AND TRUST CLIENT OMNIBUS ACCOUNT OM02 505002 （常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 1.65,
      "shares_held": 510000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 10,
      "name": "JP MORGAN CHASE BANK 385151 （常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 1.59,
      "shares_held": 492000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 1,
      "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": 12.21,
      "shares_held": 3777000
    },
    {
      "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": 7.37,
      "shares_held": 2278000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 3,
      "name": "STATE STREET BANK AND TRUST COMPANY 505001 (常任代理人 株式会社みずほ銀行決済営業部)",
      "shareholding_ratio": 4.56,
      "shares_held": 1409000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 4,
      "name": "光通信株式会社",
      "shareholding_ratio": 2.17,
      "shares_held": 672000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 5,
      "name": "THE BANK OF NEW YORK MELLON 140044 (常任代理人 株式会社みずほ銀行決済営業部)",
      "shareholding_ratio": 2.11,
      "shares_held": 653000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 6,
      "name": "DFA INTL SMALL CAP VALUE PORTFOLIO (常任代理人 シティバンク、エヌ・エイ東京支店)",
      "shareholding_ratio": 2.09,
      "shares_held": 646000
    },
    {
      "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５）",
      "shareholding_ratio": 2,
      "shares_held": 619000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 8,
      "name": "JP MORGAN CHASE BANK 385151 (常任代理人 株式会社みずほ銀行決済営業部)",
      "shareholding_ratio": 1.82,
      "shares_held": 561000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 9,
      "name": "NORTHERN TRUST CO.(AVFC) RE U.S. TAX EXEMPTED PENSION FUNDS (常任代理人 香港上海銀行東京支店)",
      "shareholding_ratio": 1.67,
      "shares_held": 515000
    },
    {
      "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": 1.58,
      "shares_held": 489000
    },
    {
      "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": 10.68,
      "shares_held": 3142000
    },
    {
      "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": 8.78,
      "shares_held": 2584000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 3,
      "name": "光通信株式会社",
      "shareholding_ratio": 4.78,
      "shares_held": 1405000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 4,
      "name": "STATE STREET BANK AND TRUST COMPANY 505001 (常任代理人 株式会社みずほ銀行決済営業部)",
      "shareholding_ratio": 4.02,
      "shares_held": 1183000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 5,
      "name": "MSIP CLIENT SECURITIES (常任代理人 モルガン・スタンレーMUFG証券株式会社)",
      "shareholding_ratio": 3.96,
      "shares_held": 1165000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 6,
      "name": "SSBTC CLIENT OMNIBUS ACCOUNT (常任代理人 香港上海銀行東京支店)",
      "shareholding_ratio": 2.43,
      "shares_held": 714000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 7,
      "name": "STATE STREET BANK AND TRUST COMPANY 505103 （常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 1.96,
      "shares_held": 576000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 8,
      "name": "株式会社日本カストディ銀行（信託口５）",
      "shareholding_ratio": 1.59,
      "shares_held": 466000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 9,
      "name": "JP MORGAN CHASE BANK 385781 (常任代理人 株式会社みずほ銀行決済営業部)",
      "shareholding_ratio": 1.43,
      "shares_held": 419000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 10,
      "name": "株式会社日本カストディ銀行（信託口６）",
      "shareholding_ratio": 1.4,
      "shares_held": 412000
    },
    {
      "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": 18.01,
      "shares_held": 12834000
    },
    {
      "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": 6.09,
      "shares_held": 4344000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 3,
      "name": "光通信株式会社",
      "shareholding_ratio": 5.68,
      "shares_held": 4050000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 4,
      "name": "STATE STREET BANK AND TRUST COMPANY 505001 (常任代理人 株式会社みずほ銀行決済営業部)",
      "shareholding_ratio": 4.57,
      "shares_held": 3260000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 5,
      "name": "STATE STREET BANK AND TRUST COMPANY 505103 （常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 3.21,
      "shares_held": 2285000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 6,
      "name": "THE BANK OF NEW YORK MELLON 140044 （常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 1.75,
      "shares_held": 1249000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 7,
      "name": "NORTHERN TRUST CO. (AVFC) RE U.S. TAX EXEMPTED PENSION FUNDS （常任代理人 香港上海銀行東京支店）",
      "shareholding_ratio": 1.71,
      "shares_held": 1220000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "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株式会社）",
      "shareholding_ratio": 1.63,
      "shares_held": 1158000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 9,
      "name": "STATE STREET BANK WEST CLIENT - TREATY 505234 （常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 1.53,
      "shares_held": 1089000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 10,
      "name": "STATE STREET BANK AND TRUST CLIENT OMNIBUS ACCOUNT OM02 505002 （常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 1.4,
      "shares_held": 995000
    },
    {
      "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": 17.24,
      "shares_held": 9375000
    },
    {
      "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": 6.39,
      "shares_held": 3474000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 3,
      "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株式会社）",
      "shareholding_ratio": 2.13,
      "shares_held": 1158000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 4,
      "name": "STATE STREET BANK AND TRUST COMPANY 505103 （常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 1.99,
      "shares_held": 1083000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 5,
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