{
  "spec_version": "3",
  "endpoint": "shareholders",
  "stock_code": "6436",
  "company_name": "アマノ",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/6436/shareholders/",
  "api_url": "/api/6436/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/6436/shareholders/",
  "source": {
    "primary": [
      "有価証券報告書（2011年3月期）",
      "有価証券報告書（2015年3月期）",
      "有価証券報告書（2006年3月期）"
    ],
    "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"
  },
  "commentary": [
    {
      "paragraphs": [
        "FY15時点では公益財団法人天野工業技術研究所7.92%を筆頭に、第一生命保険・日本生命保険・みずほ銀行など金融機関と外国法人による分散構造だった。",
        "FY24では日本マスタートラスト信託銀行が13.92%へ集中し、創業家系財団は8.43%で維持されつつ、機関投資家経由の保有が比重を高めている。"
      ]
    }
  ],
  "long_term_commentary": [
    "データで遡れる2000年代（2006/3）は第一生命保険8.25%を筆頭に、日本トラスティ・サービス信託銀行や創業家系の天野工業技術研究所、日本マスタートラスト信託銀行・日本生命保険が並ぶ、生保・信託と創業家系財団中心の構造だった。",
    "2010年代（2011/3・2015/3）にかけてはノーザン トラスト カンパニーなど外国法人が上位に台頭し、天野工業技術研究所やアマノ自身の持株を軸に、第一生命保険・日本生命保険を交えた機関投資家化が進む構造へ移った。"
  ],
  "shareholders": [
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 1,
      "name": "(公財)天野工業技術研究所",
      "shareholding_ratio": 7.92,
      "shares_held": 6071000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 2,
      "name": "NORTHERN TRUST CO. (AVFC) RESILCHESTER INTERNATIONALINVESTORS INTERNATIONAL VALUE EQUITY TRUST（常任代理人 香港上海銀行東京支店）",
      "shareholding_ratio": 6.42,
      "shares_held": 4925000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 3,
      "name": "第一生命保険(株)",
      "shareholding_ratio": 5.21,
      "shares_held": 4000000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 4,
      "name": "(株)みずほ銀行",
      "shareholding_ratio": 4.98,
      "shares_held": 3824000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 5,
      "name": "日本生命保険(相)",
      "shareholding_ratio": 4.88,
      "shares_held": 3743000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 6,
      "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": 3.79,
      "shares_held": 2912000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 7,
      "name": "日本マスタートラスト信託銀行(株)(信託口)",
      "shareholding_ratio": 3.64,
      "shares_held": 2793000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 8,
      "name": "日本トラスティ・サービス信託銀行(株)(信託口)",
      "shareholding_ratio": 3.34,
      "shares_held": 2560000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 9,
      "name": "東京海上日動火災保険(株)",
      "shareholding_ratio": 3.19,
      "shares_held": 2448000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 10,
      "name": "(株)三菱東京UFJ銀行",
      "shareholding_ratio": 2.74,
      "shares_held": 2100000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 1,
      "name": "(公財)天野工業技術研究所",
      "shareholding_ratio": 7.92,
      "shares_held": 6071000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 2,
      "name": "NORTHERN TRUST CO. (AVFC) RESILCHESTER INTERNATIONALINVESTORS INTERNATIONAL VALUE EQUITY TRUST（常任代理人 香港上海銀行東京支店）",
      "shareholding_ratio": 5.88,
      "shares_held": 4514000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 3,
      "name": "日本トラスティ・サービス信託銀行(株)(信託口)",
      "shareholding_ratio": 5.81,
      "shares_held": 4456000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 4,
      "name": "第一生命保険(株)",
      "shareholding_ratio": 5.21,
      "shares_held": 4000000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 5,
      "name": "日本生命保険(相)",
      "shareholding_ratio": 4.88,
      "shares_held": 3743000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 6,
      "name": "日本マスタートラスト信託銀行(株)(信託口)",
      "shareholding_ratio": 3.74,
      "shares_held": 2871000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 7,
      "name": "(株)みずほ銀行",
      "shareholding_ratio": 3.68,
      "shares_held": 2824000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 8,
      "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": 3.65,
      "shares_held": 2801000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 9,
      "name": "東京海上日動火災保険(株)",
      "shareholding_ratio": 3.19,
      "shares_held": 2448000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 10,
      "name": "(株)三菱東京UFJ銀行",
      "shareholding_ratio": 2.74,
      "shares_held": 2100000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 1,
      "name": "日本トラスティ・サービス信託銀行(株)(信託口)",
      "shareholding_ratio": 9.45,
      "shares_held": 7183000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 2,
      "name": "(公財)天野工業技術研究所",
      "shareholding_ratio": 7.98,
      "shares_held": 6071000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 3,
      "name": "第一生命保険(株)",
      "shareholding_ratio": 5.26,
      "shares_held": 4000000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 4,
      "name": "日本生命保険(相)",
      "shareholding_ratio": 4.92,
      "shares_held": 3743000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 5,
      "name": "日本マスタートラスト信託銀行(株)(信託口)",
      "shareholding_ratio": 4.15,
      "shares_held": 3154000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 6,
      "name": "(株)みずほ銀行",
      "shareholding_ratio": 3.71,
      "shares_held": 2824000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 7,
      "name": "東京海上日動火災保険(株)",
      "shareholding_ratio": 3.22,
      "shares_held": 2448000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 8,
      "name": "(株)三菱東京UFJ銀行",
      "shareholding_ratio": 2.76,
      "shares_held": 2100000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 9,
      "name": "THE BANK OF NEW YORK MELLON SA/NV 10（常任代理人 (株)三菱東京UFJ銀行）",
      "shareholding_ratio": 1.72,
      "shares_held": 1305000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 10,
      "name": "日本トラスティ・サービス信託銀行(株)(信託口5)",
      "shareholding_ratio": 1.55,
      "shares_held": 1182000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 1,
      "name": "日本トラスティ・サービス信託銀行(株)(信託口)",
      "shareholding_ratio": 10.6,
      "shares_held": 7953000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 2,
      "name": "(公財)天野工業技術研究所",
      "shareholding_ratio": 8.09,
      "shares_held": 6071000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 3,
      "name": "第一生命保険(株)",
      "shareholding_ratio": 5.33,
      "shares_held": 4000000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 4,
      "name": "日本生命保険(相)",
      "shareholding_ratio": 4.99,
      "shares_held": 3743000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 5,
      "name": "日本マスタートラスト信託銀行(株)(信託口)",
      "shareholding_ratio": 4.89,
      "shares_held": 3670000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 6,
      "name": "(株)みずほ銀行",
      "shareholding_ratio": 3.76,
      "shares_held": 2824000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 7,
      "name": "東京海上日動火災保険(株)",
      "shareholding_ratio": 3.26,
      "shares_held": 2448000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 8,
      "name": "(株)三菱UFJ銀行",
      "shareholding_ratio": 2.8,
      "shares_held": 2100000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 9,
      "name": "STATE STREET CLIENT OMNIBUS ACCOUNT OM44(常任代理人 香港上海銀行東京支店)",
      "shareholding_ratio": 1.97,
      "shares_held": 1481000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 10,
      "name": "STATE STREET BANK AND TRUST COMPANY 505001(常任代理人 (株)みずほ銀行決済営業部)",
      "shareholding_ratio": 1.74,
      "shares_held": 1302000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 1,
      "name": "日本トラスティ・サービス信託銀行(株)(信託口)",
      "shareholding_ratio": 9.8,
      "shares_held": 7355000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 2,
      "name": "(公財)天野工業技術研究所",
      "shareholding_ratio": 8.09,
      "shares_held": 6071000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 3,
      "name": "日本マスタートラスト信託銀行(株)(信託口)",
      "shareholding_ratio": 6.06,
      "shares_held": 4545000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 4,
      "name": "第一生命保険(株)",
      "shareholding_ratio": 5.33,
      "shares_held": 4000000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 5,
      "name": "日本生命保険(相)",
      "shareholding_ratio": 4.99,
      "shares_held": 3743000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 6,
      "name": "(株)みずほ銀行",
      "shareholding_ratio": 3.5,
      "shares_held": 2624000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 7,
      "name": "東京海上日動火災保険(株)",
      "shareholding_ratio": 3.26,
      "shares_held": 2448000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 8,
      "name": "GOLDMAN, SACHS& CO. REG(常任代理人 ゴールドマン・サックス証券(株))",
      "shareholding_ratio": 2.88,
      "shares_held": 2157000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 9,
      "name": "(株)三菱UFJ銀行",
      "shareholding_ratio": 2.8,
      "shares_held": 2100000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 10,
      "name": "STATE STREET CLIENT OMNIBUS ACCOUNT OM44(常任代理人 香港上海銀行東京支店)",
      "shareholding_ratio": 2.11,
      "shares_held": 1583000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 1,
      "name": "(株)日本カストディ銀行(信託口)",
      "shareholding_ratio": 9.08,
      "shares_held": 6814000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 2,
      "name": "(公財)天野工業技術研究所",
      "shareholding_ratio": 8.09,
      "shares_held": 6071000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 3,
      "name": "日本マスタートラスト信託銀行(株)(信託口)",
      "shareholding_ratio": 7.92,
      "shares_held": 5946000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 4,
      "name": "第一生命保険(株)",
      "shareholding_ratio": 5.33,
      "shares_held": 4000000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 5,
      "name": "日本生命保険(相)",
      "shareholding_ratio": 4.99,
      "shares_held": 3743000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 6,
      "name": "東京海上日動火災保険(株)",
      "shareholding_ratio": 3,
      "shares_held": 2248000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 7,
      "name": "(株)みずほ銀行",
      "shareholding_ratio": 2.83,
      "shares_held": 2124000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 8,
      "name": "(株)三菱UFJ銀行",
      "shareholding_ratio": 2.8,
      "shares_held": 2100000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 9,
      "name": "JP MORGAN CHASE BANK 380072(常任代理人 (株)みずほ銀行)",
      "shareholding_ratio": 1.97,
      "shares_held": 1481000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 10,
      "name": "TMAM-GO JAPAN ENGAGEMENT FUND(常任代理人 (株)みずほ銀行)",
      "shareholding_ratio": 1.52,
      "shares_held": 1137000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 1,
      "name": "日本マスタートラスト信託銀行(株)(信託口)",
      "shareholding_ratio": 12.15,
      "shares_held": 9023000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 2,
      "name": "(公財)天野工業技術研究所",
      "shareholding_ratio": 8.17,
      "shares_held": 6071000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 3,
      "name": "(株)日本カストディ銀行(信託口)",
      "shareholding_ratio": 7.93,
      "shares_held": 5892000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 4,
      "name": "第一生命保険(株)",
      "shareholding_ratio": 5.38,
      "shares_held": 4000000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 5,
      "name": "日本生命保険(相)",
      "shareholding_ratio": 5.04,
      "shares_held": 3743000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 6,
      "name": "東京海上日動火災保険(株)",
      "shareholding_ratio": 3.03,
      "shares_held": 2248000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 7,
      "name": "(株)みずほ銀行",
      "shareholding_ratio": 2.86,
      "shares_held": 2124000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 8,
      "name": "(株)三菱UFJ銀行",
      "shareholding_ratio": 2.32,
      "shares_held": 1720000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 9,
      "name": "JP MORGAN CHASE BANK 380072(常任代理人 (株)みずほ銀行)",
      "shareholding_ratio": 1.97,
      "shares_held": 1462000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 10,
      "name": "NORTHERN TRUST CO. (AVFC) RE FIDELITY FUNDS(常任代理人 香港上海銀行東京支店)",
      "shareholding_ratio": 1.89,
      "shares_held": 1402000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 1,
      "name": "日本マスタートラスト信託銀行(株)(信託口)",
      "shareholding_ratio": 12.62,
      "shares_held": 9251000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 2,
      "name": "(公財)天野工業技術研究所",
      "shareholding_ratio": 8.28,
      "shares_held": 6071000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 3,
      "name": "(株)日本カストディ銀行(信託口)",
      "shareholding_ratio": 7.75,
      "shares_held": 5678000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 4,
      "name": "第一生命保険(株)",
      "shareholding_ratio": 5.46,
      "shares_held": 4000000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 5,
      "name": "日本生命保険(相)",
      "shareholding_ratio": 5.11,
      "shares_held": 3743000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 6,
      "name": "東京海上日動火災保険(株)",
      "shareholding_ratio": 3.07,
      "shares_held": 2248000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 7,
      "name": "(株)みずほ銀行",
      "shareholding_ratio": 2.9,
      "shares_held": 2124000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 8,
      "name": "JP MORGAN CHASE BANK 380055(常任代理人 (株)みずほ銀行)",
      "shareholding_ratio": 2.25,
      "shares_held": 1648000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 9,
      "name": "(株)三菱UFJ銀行",
      "shareholding_ratio": 2.01,
      "shares_held": 1470000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 10,
      "name": "NORTHERN TRUST CO. (AVFC) RE FIDELITY FUNDS(常任代理人 香港上海銀行東京支店)",
      "shareholding_ratio": 1.88,
      "shares_held": 1380000
    },
    {
      "FY": "FY23",
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