{
  "spec_version": "3",
  "endpoint": "shareholders",
  "stock_code": "yamanouchi-seiyaku",
  "company_name": "山之内製薬",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/yamanouchi-seiyaku/shareholders/",
  "api_url": "/api/yamanouchi-seiyaku/shareholders.json",
  "updated": "2026-09-01",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/yamanouchi-seiyaku/shareholders/",
  "source": {
    "primary": [
      "上場会社総覧（1959年版）",
      "会社年鑑（1976年版）",
      "会社年鑑（1986年版）",
      "会社年鑑（1967年版）",
      "会社年鑑（1971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": "FY58",
      "period": "1958/12",
      "company_name_at_period": "山之内製薬",
      "rank": 1,
      "name": "住友銀行",
      "shareholding_ratio": null,
      "shares_held": 1020000,
      "total_shares": 12000000,
      "source": "上場会社総覧（1959年版）"
    },
    {
      "FY": "FY58",
      "period": "1958/12",
      "company_name_at_period": "山之内製薬",
      "rank": 2,
      "name": "山内 健二",
      "shareholding_ratio": null,
      "shares_held": 600060,
      "total_shares": 12000000,
      "source": "上場会社総覧（1959年版）"
    },
    {
      "FY": "FY58",
      "period": "1958/12",
      "company_name_at_period": "山之内製薬",
      "rank": 3,
      "name": "三井信託銀行",
      "shareholding_ratio": null,
      "shares_held": 573000,
      "total_shares": 12000000,
      "source": "上場会社総覧（1959年版）"
    },
    {
      "FY": "FY58",
      "period": "1958/12",
      "company_name_at_period": "山之内製薬",
      "rank": 4,
      "name": "住友信託銀行",
      "shareholding_ratio": null,
      "shares_held": 560000,
      "total_shares": 12000000,
      "source": "上場会社総覧（1959年版）"
    },
    {
      "FY": "FY58",
      "period": "1958/12",
      "company_name_at_period": "山之内製薬",
      "rank": 5,
      "name": "埼玉銀行",
      "shareholding_ratio": null,
      "shares_held": 300000,
      "total_shares": 12000000,
      "source": "上場会社総覧（1959年版）"
    },
    {
      "FY": "FY58",
      "period": "1958/12",
      "company_name_at_period": "山之内製薬",
      "rank": 6,
      "name": "住友信託銀行",
      "shareholding_ratio": null,
      "shares_held": 270000,
      "total_shares": 12000000,
      "source": "上場会社総覧（1959年版）"
    },
    {
      "FY": "FY58",
      "period": "1958/12",
      "company_name_at_period": "山之内製薬",
      "rank": 7,
      "name": "東京海上火災",
      "shareholding_ratio": null,
      "shares_held": 270000,
      "total_shares": 12000000,
      "source": "上場会社総覧（1959年版）"
    },
    {
      "FY": "FY58",
      "period": "1958/12",
      "company_name_at_period": "山之内製薬",
      "rank": 8,
      "name": "山之内製薬共済組合",
      "shareholding_ratio": null,
      "shares_held": 200000,
      "total_shares": 12000000,
      "source": "上場会社総覧（1959年版）"
    },
    {
      "FY": "FY58",
      "period": "1958/12",
      "company_name_at_period": "山之内製薬",
      "rank": 9,
      "name": "三井信託銀行",
      "shareholding_ratio": null,
      "shares_held": 180000,
      "total_shares": 12000000,
      "source": "上場会社総覧（1959年版）"
    },
    {
      "FY": "FY58",
      "period": "1958/12",
      "company_name_at_period": "山之内製薬",
      "rank": 10,
      "name": "大和銀行",
      "shareholding_ratio": null,
      "shares_held": 150000,
      "total_shares": 12000000,
      "source": "上場会社総覧（1959年版）"
    },
    {
      "FY": "FY58",
      "period": "1958/12",
      "company_name_at_period": "山之内製薬",
      "rank": 11,
      "name": "日本生命",
      "shareholding_ratio": null,
      "shares_held": 150000,
      "total_shares": 12000000,
      "source": "上場会社総覧（1959年版）"
    },
    {
      "FY": "FY65",
      "period": "1965/12",
      "company_name_at_period": "山之内製薬",
      "rank": 1,
      "name": "三井信託",
      "shareholding_ratio": null,
      "shares_held": 7015000,
      "total_shares": null,
      "source": "会社年鑑（1967年版）"
    },
    {
      "FY": "FY65",
      "period": "1965/12",
      "company_name_at_period": "山之内製薬",
      "rank": 2,
      "name": "住友銀行",
      "shareholding_ratio": null,
      "shares_held": 6120000,
      "total_shares": null,
      "source": "会社年鑑（1967年版）"
    },
    {
      "FY": "FY65",
      "period": "1965/12",
      "company_name_at_period": "山之内製薬",
      "rank": 3,
      "name": "証券保有組合",
      "shareholding_ratio": null,
      "shares_held": 4816000,
      "total_shares": null,
      "source": "会社年鑑（1967年版）"
    },
    {
      "FY": "FY65",
      "period": "1965/12",
      "company_name_at_period": "山之内製薬",
      "rank": 4,
      "name": "日本生命",
      "shareholding_ratio": null,
      "shares_held": 2500000,
      "total_shares": null,
      "source": "会社年鑑（1967年版）"
    },
    {
      "FY": "FY65",
      "period": "1965/12",
      "company_name_at_period": "山之内製薬",
      "rank": 5,
      "name": "住友信託",
      "shareholding_ratio": null,
      "shares_held": 2412000,
      "total_shares": null,
      "source": "会社年鑑（1967年版）"
    },
    {
      "FY": "FY65",
      "period": "1965/12",
      "company_name_at_period": "山之内製薬",
      "rank": 6,
      "name": "三菱信託",
      "shareholding_ratio": null,
      "shares_held": 2390000,
      "total_shares": null,
      "source": "会社年鑑（1967年版）"
    },
    {
      "FY": "FY65",
      "period": "1965/12",
      "company_name_at_period": "山之内製薬",
      "rank": 7,
      "name": "山内 健二",
      "shareholding_ratio": null,
      "shares_held": 1920000,
      "total_shares": null,
      "source": "会社年鑑（1967年版）"
    },
    {
      "FY": "FY65",
      "period": "1965/12",
      "company_name_at_period": "山之内製薬",
      "rank": 8,
      "name": "埼玉銀行",
      "shareholding_ratio": null,
      "shares_held": 1800000,
      "total_shares": null,
      "source": "会社年鑑（1967年版）"
    },
    {
      "FY": "FY65",
      "period": "1965/12",
      "company_name_at_period": "山之内製薬",
      "rank": 9,
      "name": "富士火災",
      "shareholding_ratio": null,
      "shares_held": 1200000,
      "total_shares": null,
      "source": "会社年鑑（1967年版）"
    },
    {
      "FY": "FY69",
      "period": "1970/6",
      "company_name_at_period": "山之内製薬",
      "rank": 1,
      "name": "住友銀行",
      "shareholding_ratio": null,
      "shares_held": 6520000,
      "total_shares": null,
      "source": "会社年鑑（1971年版）"
    },
    {
      "FY": "FY69",
      "period": "1970/6",
      "company_name_at_period": "山之内製薬",
      "rank": 2,
      "name": "日本生命",
      "shareholding_ratio": null,
      "shares_held": 5950000,
      "total_shares": null,
      "source": "会社年鑑（1971年版）"
    },
    {
      "FY": "FY69",
      "period": "1970/6",
      "company_name_at_period": "山之内製薬",
      "rank": 3,
      "name": "I.I.T.マネージメント",
      "shareholding_ratio": null,
      "shares_held": 4500000,
      "total_shares": null,
      "source": "会社年鑑（1971年版）"
    },
    {
      "FY": "FY69",
      "period": "1970/6",
      "company_name_at_period": "山之内製薬",
      "rank": 4,
      "name": "三井信託",
      "shareholding_ratio": null,
      "shares_held": 2602000,
      "total_shares": null,
      "source": "会社年鑑（1971年版）"
    },
    {
      "FY": "FY69",
      "period": "1970/6",
      "company_name_at_period": "山之内製薬",
      "rank": 5,
      "name": "住友生命",
      "shareholding_ratio": null,
      "shares_held": 2340000,
      "total_shares": null,
      "source": "会社年鑑（1971年版）"
    },
    {
      "FY": "FY69",
      "period": "1970/6",
      "company_name_at_period": "山之内製薬",
      "rank": 6,
      "name": "日証金",
      "shareholding_ratio": null,
      "shares_held": 2094000,
      "total_shares": null,
      "source": "会社年鑑（1971年版）"
    },
    {
      "FY": "FY69",
      "period": "1970/6",
      "company_name_at_period": "山之内製薬",
      "rank": 7,
      "name": "埼玉銀行",
      "shareholding_ratio": null,
      "shares_held": 1800000,
      "total_shares": null,
      "source": "会社年鑑（1971年版）"
    },
    {
      "FY": "FY69",
      "period": "1970/6",
      "company_name_at_period": "山之内製薬",
      "rank": 8,
      "name": "朝日生命",
      "shareholding_ratio": null,
      "shares_held": 1300000,
      "total_shares": null,
      "source": "会社年鑑（1971年版）"
    },
    {
      "FY": "FY69",
      "period": "1970/6",
      "company_name_at_period": "山之内製薬",
      "rank": 9,
      "name": "ロベコ",
      "shareholding_ratio": null,
      "shares_held": 1250000,
      "total_shares": null,
      "source": "会社年鑑（1971年版）"
    },
    {
      "FY": "FY74",
      "period": "1974/12",
      "company_name_at_period": "山之内製薬",
      "rank": 1,
      "name": "住友銀行",
      "shareholding_ratio": null,
      "shares_held": 7200000,
      "total_shares": null,
      "source": "会社年鑑（1976年版）"
    },
    {
      "FY": "FY74",
      "period": "1974/12",
      "company_name_at_period": "山之内製薬",
      "rank": 2,
      "name": "日本生命",
      "shareholding_ratio": null,
      "shares_held": 7070000,
      "total_shares": null,
      "source": "会社年鑑（1976年版）"
    },
    {
      "FY": "FY74",
      "period": "1974/12",
      "company_name_at_period": "山之内製薬",
      "rank": 3,
      "name": "三井信託",
      "shareholding_ratio": null,
      "shares_held": 4811000,
      "total_shares": null,
      "source": "会社年鑑（1976年版）"
    },
    {
      "FY": "FY74",
      "period": "1974/12",
      "company_name_at_period": "山之内製薬",
      "rank": 4,
      "name": "住友生命",
      "shareholding_ratio": null,
      "shares_held": 3074000,
      "total_shares": null,
      "source": "会社年鑑（1976年版）"
    },
    {
      "FY": "FY74",
      "period": "1974/12",
      "company_name_at_period": "山之内製薬",
      "rank": 5,
      "name": "日興証券",
      "shareholding_ratio": null,
      "shares_held": 2147000,
      "total_shares": null,
      "source": "会社年鑑（1976年版）"
    },
    {
      "FY": "FY74",
      "period": "1974/12",
      "company_name_at_period": "山之内製薬",
      "rank": 6,
      "name": "三菱銀行",
      "shareholding_ratio": null,
      "shares_held": 2100000,
      "total_shares": null,
      "source": "会社年鑑（1976年版）"
    },
    {
      "FY": "FY74",
      "period": "1974/12",
      "company_name_at_period": "山之内製薬",
      "rank": 7,
      "name": "東海銀行",
      "shareholding_ratio": null,
      "shares_held": 2100000,
      "total_shares": null,
      "source": "会社年鑑（1976年版）"
    },
    {
      "FY": "FY74",
      "period": "1974/12",
      "company_name_at_period": "山之内製薬",
      "rank": 8,
      "name": "埼玉銀行",
      "shareholding_ratio": null,
      "shares_held": 2000000,
      "total_shares": null,
      "source": "会社年鑑（1976年版）"
    },
    {
      "FY": "FY74",
      "period": "1974/12",
      "company_name_at_period": "山之内製薬",
      "rank": 9,
      "name": "東京海上",
      "shareholding_ratio": null,
      "shares_held": 1341000,
      "total_shares": null,
      "source": "会社年鑑（1976年版）"
    },
    {
      "FY": "FY74",
      "period": "1974/12",
      "company_name_at_period": "山之内製薬",
      "rank": 10,
      "name": "富士火災",
      "shareholding_ratio": null,
      "shares_held": 1200000,
      "total_shares": null,
      "source": "会社年鑑（1976年版）"
    },
    {
      "FY": "FY84",
      "period": "1984/12",
      "company_name_at_period": "山之内製薬",
      "rank": 1,
      "name": "日本生命",
      "shareholding_ratio": null,
      "shares_held": 12671000,
      "total_shares": null,
      "source": "会社年鑑（1986年版）"
    },
    {
      "FY": "FY84",
      "period": "1984/12",
      "company_name_at_period": "山之内製薬",
      "rank": 2,
      "name": "住友銀行",
      "shareholding_ratio": null,
      "shares_held": 12264000,
      "total_shares": null,
      "source": "会社年鑑（1986年版）"
    },
    {
      "FY": "FY84",
      "period": "1984/12",
      "company_name_at_period": "山之内製薬",
      "rank": 3,
      "name": "三井信託",
      "shareholding_ratio": null,
      "shares_held": 10338000,
      "total_shares": null,
      "source": "会社年鑑（1986年版）"
    },
    {
      "FY": "FY84",
      "period": "1984/12",
      "company_name_at_period": "山之内製薬",
      "rank": 4,
      "name": "住友生命",
      "shareholding_ratio": null,
      "shares_held": 7576000,
      "total_shares": null,
      "source": "会社年鑑（1986年版）"
    },
    {
      "FY": "FY84",
      "period": "1984/12",
      "company_name_at_period": "山之内製薬",
      "rank": 5,
      "name": "日証金",
      "shareholding_ratio": null,
      "shares_held": 5752000,
      "total_shares": null,
      "source": "会社年鑑（1986年版）"
    },
    {
      "FY": "FY84",
      "period": "1984/12",
      "company_name_at_period": "山之内製薬",
      "rank": 6,
      "name": "東海銀行",
      "shareholding_ratio": null,
      "shares_held": 5726000,
      "total_shares": null,
      "source": "会社年鑑（1986年版）"
    },
    {
      "FY": "FY84",
      "period": "1984/12",
      "company_name_at_period": "山之内製薬",
      "rank": 7,
      "name": "三菱銀行",
      "shareholding_ratio": null,
      "shares_held": 5726000,
      "total_shares": null,
      "source": "会社年鑑（1986年版）"
    },
    {
      "FY": "FY84",
      "period": "1984/12",
      "company_name_at_period": "山之内製薬",
      "rank": 8,
      "name": "埼玉銀行",
      "shareholding_ratio": null,
      "shares_held": 5485000,
      "total_shares": null,
      "source": "会社年鑑（1986年版）"
    },
    {
      "FY": "FY84",
      "period": "1984/12",
      "company_name_at_period": "山之内製薬",
      "rank": 9,
      "name": "東洋信託",
      "shareholding_ratio": null,
      "shares_held": 4193000,
      "total_shares": null,
      "source": "会社年鑑（1986年版）"
    },
    {
      "FY": "FY84",
      "period": "1984/12",
      "company_name_at_period": "山之内製薬",
      "rank": 10,
      "name": "チェース・マンハッタン(ロンドン)",
      "shareholding_ratio": null,
      "shares_held": 3815000,
      "total_shares": null,
      "source": "会社年鑑（1986年版）"
    }
  ]
}