{
  "spec_version": "3",
  "endpoint": "shareholders",
  "stock_code": "8761",
  "company_name": "あいおい損害保険",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/8761/shareholders/",
  "api_url": "/api/8761/shareholders.json",
  "updated": "2026-08-25",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/8761/shareholders/",
  "source": {
    "primary": [
      "会社年鑑（1971年版）",
      "ダイヤモンド会社産業総覧 1964年版",
      "会社年鑑（1976年版）",
      "会社年鑑（1986年版）"
    ],
    "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"
  },
  "long_term": [
    {
      "FY": "FY62",
      "period": "1963/3",
      "company_name_at_period": "大東京火災海上保険",
      "rank": 1,
      "name": "野村証券",
      "shareholding_ratio": 10.1,
      "shares_held": 1572100,
      "total_shares": 15600000,
      "source": "ダイヤモンド会社産業総覧 1964年版"
    },
    {
      "FY": "FY62",
      "period": "1963/3",
      "company_name_at_period": "大東京火災海上保険",
      "rank": 2,
      "name": "江口証券",
      "shareholding_ratio": 9.6,
      "shares_held": 1500000,
      "total_shares": 15600000,
      "source": "ダイヤモンド会社産業総覧 1964年版"
    },
    {
      "FY": "FY62",
      "period": "1963/3",
      "company_name_at_period": "大東京火災海上保険",
      "rank": 3,
      "name": "光亜証券",
      "shareholding_ratio": 6.4,
      "shares_held": 1000000,
      "total_shares": 15600000,
      "source": "ダイヤモンド会社産業総覧 1964年版"
    },
    {
      "FY": "FY62",
      "period": "1963/3",
      "company_name_at_period": "大東京火災海上保険",
      "rank": 4,
      "name": "反町 誠一",
      "shareholding_ratio": 5.8,
      "shares_held": 900000,
      "total_shares": 15600000,
      "source": "ダイヤモンド会社産業総覧 1964年版"
    },
    {
      "FY": "FY62",
      "period": "1963/3",
      "company_name_at_period": "大東京火災海上保険",
      "rank": 5,
      "name": "八千代証券",
      "shareholding_ratio": 4.5,
      "shares_held": 700000,
      "total_shares": 15600000,
      "source": "ダイヤモンド会社産業総覧 1964年版"
    },
    {
      "FY": "FY62",
      "period": "1963/3",
      "company_name_at_period": "大東京火災海上保険",
      "rank": 6,
      "name": "大和銀行",
      "shareholding_ratio": 3.8,
      "shares_held": 600000,
      "total_shares": 15600000,
      "source": "ダイヤモンド会社産業総覧 1964年版"
    },
    {
      "FY": "FY62",
      "period": "1963/3",
      "company_name_at_period": "大東京火災海上保険",
      "rank": 7,
      "name": "静岡銀行",
      "shareholding_ratio": 1.9,
      "shares_held": 300000,
      "total_shares": 15600000,
      "source": "ダイヤモンド会社産業総覧 1964年版"
    },
    {
      "FY": "FY62",
      "period": "1963/3",
      "company_name_at_period": "大東京火災海上保険",
      "rank": 8,
      "name": "三和銀行",
      "shareholding_ratio": 1.9,
      "shares_held": 300000,
      "total_shares": 15600000,
      "source": "ダイヤモンド会社産業総覧 1964年版"
    },
    {
      "FY": "FY62",
      "period": "1963/3",
      "company_name_at_period": "大東京火災海上保険",
      "rank": 9,
      "name": "三井信託銀行",
      "shareholding_ratio": 1.9,
      "shares_held": 300000,
      "total_shares": 15600000,
      "source": "ダイヤモンド会社産業総覧 1964年版"
    },
    {
      "FY": "FY62",
      "period": "1963/3",
      "company_name_at_period": "大東京火災海上保険",
      "rank": 10,
      "name": "日本不動産銀行",
      "shareholding_ratio": 1.5,
      "shares_held": 230000,
      "total_shares": 15600000,
      "source": "ダイヤモンド会社産業総覧 1964年版"
    },
    {
      "FY": "FY69",
      "period": "1970/3",
      "company_name_at_period": "大東京火災海上保険",
      "rank": 1,
      "name": "岡崎 真一",
      "shareholding_ratio": null,
      "shares_held": 7624000,
      "total_shares": null,
      "source": "会社年鑑（1971年版）"
    },
    {
      "FY": "FY69",
      "period": "1970/3",
      "company_name_at_period": "大東京火災海上保険",
      "rank": 2,
      "name": "ニユーホールデイング",
      "shareholding_ratio": null,
      "shares_held": 4480000,
      "total_shares": null,
      "source": "会社年鑑（1971年版）"
    },
    {
      "FY": "FY69",
      "period": "1970/3",
      "company_name_at_period": "大東京火災海上保険",
      "rank": 3,
      "name": "神戸銀行",
      "shareholding_ratio": null,
      "shares_held": 4000000,
      "total_shares": null,
      "source": "会社年鑑（1971年版）"
    },
    {
      "FY": "FY69",
      "period": "1970/3",
      "company_name_at_period": "大東京火災海上保険",
      "rank": 4,
      "name": "日本生命",
      "shareholding_ratio": null,
      "shares_held": 3610000,
      "total_shares": null,
      "source": "会社年鑑（1971年版）"
    },
    {
      "FY": "FY69",
      "period": "1970/3",
      "company_name_at_period": "大東京火災海上保険",
      "rank": 5,
      "name": "不動産銀行",
      "shareholding_ratio": null,
      "shares_held": 2115000,
      "total_shares": null,
      "source": "会社年鑑（1971年版）"
    },
    {
      "FY": "FY69",
      "period": "1970/3",
      "company_name_at_period": "大東京火災海上保険",
      "rank": 6,
      "name": "第一生命",
      "shareholding_ratio": null,
      "shares_held": 2000000,
      "total_shares": null,
      "source": "会社年鑑（1971年版）"
    },
    {
      "FY": "FY69",
      "period": "1970/3",
      "company_name_at_period": "大東京火災海上保険",
      "rank": 7,
      "name": "大和銀行",
      "shareholding_ratio": null,
      "shares_held": 1800000,
      "total_shares": null,
      "source": "会社年鑑（1971年版）"
    },
    {
      "FY": "FY69",
      "period": "1970/3",
      "company_name_at_period": "大東京火災海上保険",
      "rank": 8,
      "name": "東銀",
      "shareholding_ratio": null,
      "shares_held": 1700000,
      "total_shares": null,
      "source": "会社年鑑（1971年版）"
    },
    {
      "FY": "FY69",
      "period": "1970/3",
      "company_name_at_period": "大東京火災海上保険",
      "rank": 9,
      "name": "第一銀行",
      "shareholding_ratio": null,
      "shares_held": 1400000,
      "total_shares": null,
      "source": "会社年鑑（1971年版）"
    },
    {
      "FY": "FY69",
      "period": "1970/3",
      "company_name_at_period": "大東京火災海上保険",
      "rank": 10,
      "name": "三和銀行",
      "shareholding_ratio": null,
      "shares_held": 1200000,
      "total_shares": null,
      "source": "会社年鑑（1971年版）"
    },
    {
      "FY": "FY69",
      "period": "1970/3",
      "company_name_at_period": "大東京火災海上保険",
      "rank": 11,
      "name": "三井銀行",
      "shareholding_ratio": null,
      "shares_held": 1200000,
      "total_shares": null,
      "source": "会社年鑑（1971年版）"
    },
    {
      "FY": "FY69",
      "period": "1970/3",
      "company_name_at_period": "大東京火災海上保険",
      "rank": 12,
      "name": "伊藤忠商事",
      "shareholding_ratio": null,
      "shares_held": 1200000,
      "total_shares": null,
      "source": "会社年鑑（1971年版）"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "大東京火災海上保険",
      "rank": 1,
      "name": "太陽神戸",
      "shareholding_ratio": null,
      "shares_held": 15537000,
      "total_shares": null,
      "source": "会社年鑑（1976年版）"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "大東京火災海上保険",
      "rank": 2,
      "name": "大和銀行",
      "shareholding_ratio": null,
      "shares_held": 15353000,
      "total_shares": null,
      "source": "会社年鑑（1976年版）"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "大東京火災海上保険",
      "rank": 3,
      "name": "日本生命",
      "shareholding_ratio": null,
      "shares_held": 14450000,
      "total_shares": null,
      "source": "会社年鑑（1976年版）"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "大東京火災海上保険",
      "rank": 4,
      "name": "スイスリホールデイング",
      "shareholding_ratio": null,
      "shares_held": 13544000,
      "total_shares": null,
      "source": "会社年鑑（1976年版）"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "大東京火災海上保険",
      "rank": 5,
      "name": "大同生命",
      "shareholding_ratio": null,
      "shares_held": 10149000,
      "total_shares": null,
      "source": "会社年鑑（1976年版）"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "大東京火災海上保険",
      "rank": 6,
      "name": "第一生命",
      "shareholding_ratio": null,
      "shares_held": 8815000,
      "total_shares": null,
      "source": "会社年鑑（1976年版）"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "大東京火災海上保険",
      "rank": 7,
      "name": "伊藤忠商事",
      "shareholding_ratio": null,
      "shares_held": 7048000,
      "total_shares": null,
      "source": "会社年鑑（1976年版）"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "大東京火災海上保険",
      "rank": 8,
      "name": "不動銀",
      "shareholding_ratio": null,
      "shares_held": 6707000,
      "total_shares": null,
      "source": "会社年鑑（1976年版）"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "大東京火災海上保険",
      "rank": 9,
      "name": "久保田鉄工",
      "shareholding_ratio": null,
      "shares_held": 6521000,
      "total_shares": null,
      "source": "会社年鑑（1976年版）"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "大東京火災海上保険",
      "rank": 10,
      "name": "長銀",
      "shareholding_ratio": null,
      "shares_held": 5635000,
      "total_shares": null,
      "source": "会社年鑑（1976年版）"
    },
    {
      "FY": "FY84",
      "period": "1985/3",
      "company_name_at_period": "大東京火災海上保険",
      "rank": 1,
      "name": "日本生命",
      "shareholding_ratio": null,
      "shares_held": 20493000,
      "total_shares": null,
      "source": "会社年鑑（1986年版）"
    },
    {
      "FY": "FY84",
      "period": "1985/3",
      "company_name_at_period": "大東京火災海上保険",
      "rank": 2,
      "name": "久保田鉄工",
      "shareholding_ratio": null,
      "shares_held": 19242000,
      "total_shares": null,
      "source": "会社年鑑（1986年版）"
    },
    {
      "FY": "FY84",
      "period": "1985/3",
      "company_name_at_period": "大東京火災海上保険",
      "rank": 3,
      "name": "太陽神戸",
      "shareholding_ratio": null,
      "shares_held": 15989000,
      "total_shares": null,
      "source": "会社年鑑（1986年版）"
    },
    {
      "FY": "FY84",
      "period": "1985/3",
      "company_name_at_period": "大東京火災海上保険",
      "rank": 4,
      "name": "大和銀行",
      "shareholding_ratio": null,
      "shares_held": 13500000,
      "total_shares": null,
      "source": "会社年鑑（1986年版）"
    },
    {
      "FY": "FY84",
      "period": "1985/3",
      "company_name_at_period": "大東京火災海上保険",
      "rank": 5,
      "name": "大同生命",
      "shareholding_ratio": null,
      "shares_held": 13372000,
      "total_shares": null,
      "source": "会社年鑑（1986年版）"
    },
    {
      "FY": "FY84",
      "period": "1985/3",
      "company_name_at_period": "大東京火災海上保険",
      "rank": 6,
      "name": "第一生命",
      "shareholding_ratio": null,
      "shares_held": 11224000,
      "total_shares": null,
      "source": "会社年鑑（1986年版）"
    },
    {
      "FY": "FY84",
      "period": "1985/3",
      "company_name_at_period": "大東京火災海上保険",
      "rank": 7,
      "name": "日債銀",
      "shareholding_ratio": null,
      "shares_held": 8989000,
      "total_shares": null,
      "source": "会社年鑑（1986年版）"
    },
    {
      "FY": "FY84",
      "period": "1985/3",
      "company_name_at_period": "大東京火災海上保険",
      "rank": 8,
      "name": "スイス・リホールディング",
      "shareholding_ratio": null,
      "shares_held": 8513000,
      "total_shares": null,
      "source": "会社年鑑（1986年版）"
    },
    {
      "FY": "FY84",
      "period": "1985/3",
      "company_name_at_period": "大東京火災海上保険",
      "rank": 9,
      "name": "長銀",
      "shareholding_ratio": null,
      "shares_held": 7554000,
      "total_shares": null,
      "source": "会社年鑑（1986年版）"
    },
    {
      "FY": "FY84",
      "period": "1985/3",
      "company_name_at_period": "大東京火災海上保険",
      "rank": 10,
      "name": "東銀",
      "shareholding_ratio": null,
      "shares_held": 7527000,
      "total_shares": null,
      "source": "会社年鑑（1986年版）"
    }
  ]
}
