{
  "spec_version": "3",
  "endpoint": "shareholders",
  "stock_code": "5238",
  "company_name": "三菱鉱業セメント",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/5238/shareholders/",
  "api_url": "/api/5238/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/5238/shareholders/",
  "source": {
    "primary": [
      "上場会社総覧 1956年版",
      "上場会社総覧 1959年版",
      "上場会社総覧 1961年版",
      "会社年鑑 1967年版",
      "会社年鑑 1976年版",
      "会社年鑑 1963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": "FY55",
      "period": "1955/9",
      "company_name_at_period": "三菱鉱業",
      "rank": 1,
      "name": "日興証券",
      "shareholding_ratio": null,
      "shares_held": 2100900,
      "total_shares": null,
      "source": "上場会社総覧 1956年版"
    },
    {
      "FY": "FY55",
      "period": "1955/9",
      "company_name_at_period": "三菱鉱業",
      "rank": 2,
      "name": "三菱信託",
      "shareholding_ratio": null,
      "shares_held": 1658782,
      "total_shares": null,
      "source": "上場会社総覧 1956年版"
    },
    {
      "FY": "FY55",
      "period": "1955/9",
      "company_name_at_period": "三菱鉱業",
      "rank": 3,
      "name": "明治生命",
      "shareholding_ratio": null,
      "shares_held": 1200000,
      "total_shares": null,
      "source": "上場会社総覧 1956年版"
    },
    {
      "FY": "FY55",
      "period": "1955/9",
      "company_name_at_period": "三菱鉱業",
      "rank": 4,
      "name": "住友信託",
      "shareholding_ratio": null,
      "shares_held": 795824,
      "total_shares": null,
      "source": "上場会社総覧 1956年版"
    },
    {
      "FY": "FY55",
      "period": "1955/9",
      "company_name_at_period": "三菱鉱業",
      "rank": 5,
      "name": "東京海上",
      "shareholding_ratio": null,
      "shares_held": 700000,
      "total_shares": null,
      "source": "上場会社総覧 1956年版"
    },
    {
      "FY": "FY55",
      "period": "1955/9",
      "company_name_at_period": "三菱鉱業",
      "rank": 6,
      "name": "九州鉱山",
      "shareholding_ratio": null,
      "shares_held": 600000,
      "total_shares": null,
      "source": "上場会社総覧 1956年版"
    },
    {
      "FY": "FY55",
      "period": "1955/9",
      "company_name_at_period": "三菱鉱業",
      "rank": 7,
      "name": "朝日生命",
      "shareholding_ratio": null,
      "shares_held": 502700,
      "total_shares": null,
      "source": "上場会社総覧 1956年版"
    },
    {
      "FY": "FY55",
      "period": "1955/9",
      "company_name_at_period": "三菱鉱業",
      "rank": 8,
      "name": "日本生命",
      "shareholding_ratio": null,
      "shares_held": 480000,
      "total_shares": null,
      "source": "上場会社総覧 1956年版"
    },
    {
      "FY": "FY55",
      "period": "1955/9",
      "company_name_at_period": "三菱鉱業",
      "rank": 9,
      "name": "第一生命",
      "shareholding_ratio": null,
      "shares_held": 479800,
      "total_shares": null,
      "source": "上場会社総覧 1956年版"
    },
    {
      "FY": "FY55",
      "period": "1955/9",
      "company_name_at_period": "三菱鉱業",
      "rank": 10,
      "name": "三井信託",
      "shareholding_ratio": null,
      "shares_held": 455800,
      "total_shares": null,
      "source": "上場会社総覧 1956年版"
    },
    {
      "FY": "FY58",
      "period": "1958/9",
      "company_name_at_period": "三菱鉱業",
      "rank": 1,
      "name": "三菱信託銀行",
      "shareholding_ratio": null,
      "shares_held": 5778146,
      "total_shares": null,
      "source": "上場会社総覧 1959年版"
    },
    {
      "FY": "FY58",
      "period": "1958/9",
      "company_name_at_period": "三菱鉱業",
      "rank": 2,
      "name": "三菱化成工業",
      "shareholding_ratio": null,
      "shares_held": 4220000,
      "total_shares": null,
      "source": "上場会社総覧 1959年版"
    },
    {
      "FY": "FY58",
      "period": "1958/9",
      "company_name_at_period": "三菱鉱業",
      "rank": 3,
      "name": "九州鉱山",
      "shareholding_ratio": null,
      "shares_held": 3714000,
      "total_shares": null,
      "source": "上場会社総覧 1959年版"
    },
    {
      "FY": "FY58",
      "period": "1958/9",
      "company_name_at_period": "三菱鉱業",
      "rank": 4,
      "name": "明治生命",
      "shareholding_ratio": null,
      "shares_held": 3600000,
      "total_shares": null,
      "source": "上場会社総覧 1959年版"
    },
    {
      "FY": "FY58",
      "period": "1958/9",
      "company_name_at_period": "三菱鉱業",
      "rank": 5,
      "name": "東京海上火災",
      "shareholding_ratio": null,
      "shares_held": 2900000,
      "total_shares": null,
      "source": "上場会社総覧 1959年版"
    },
    {
      "FY": "FY58",
      "period": "1958/9",
      "company_name_at_period": "三菱鉱業",
      "rank": 6,
      "name": "三井信託銀行",
      "shareholding_ratio": null,
      "shares_held": 2671000,
      "total_shares": null,
      "source": "上場会社総覧 1959年版"
    },
    {
      "FY": "FY58",
      "period": "1958/9",
      "company_name_at_period": "三菱鉱業",
      "rank": 7,
      "name": "三菱銀行",
      "shareholding_ratio": null,
      "shares_held": 2190000,
      "total_shares": null,
      "source": "上場会社総覧 1959年版"
    },
    {
      "FY": "FY58",
      "period": "1958/9",
      "company_name_at_period": "三菱鉱業",
      "rank": 8,
      "name": "住友信託銀行",
      "shareholding_ratio": null,
      "shares_held": 2103430,
      "total_shares": null,
      "source": "上場会社総覧 1959年版"
    },
    {
      "FY": "FY58",
      "period": "1958/9",
      "company_name_at_period": "三菱鉱業",
      "rank": 9,
      "name": "日興証券",
      "shareholding_ratio": null,
      "shares_held": 2089866,
      "total_shares": null,
      "source": "上場会社総覧 1959年版"
    },
    {
      "FY": "FY58",
      "period": "1958/9",
      "company_name_at_period": "三菱鉱業",
      "rank": 10,
      "name": "大阪瓦斯",
      "shareholding_ratio": null,
      "shares_held": 1680000,
      "total_shares": null,
      "source": "上場会社総覧 1959年版"
    },
    {
      "FY": "FY60",
      "period": "1960/9",
      "company_name_at_period": "三菱鉱業",
      "rank": 1,
      "name": "三菱信託",
      "shareholding_ratio": null,
      "shares_held": 5795146,
      "total_shares": null,
      "source": "上場会社総覧 1961年版"
    },
    {
      "FY": "FY60",
      "period": "1960/9",
      "company_name_at_period": "三菱鉱業",
      "rank": 2,
      "name": "三菱化成工業",
      "shareholding_ratio": null,
      "shares_held": 5220000,
      "total_shares": null,
      "source": "上場会社総覧 1961年版"
    },
    {
      "FY": "FY60",
      "period": "1960/9",
      "company_name_at_period": "三菱鉱業",
      "rank": 3,
      "name": "明治生命",
      "shareholding_ratio": null,
      "shares_held": 3650000,
      "total_shares": null,
      "source": "上場会社総覧 1961年版"
    },
    {
      "FY": "FY60",
      "period": "1960/9",
      "company_name_at_period": "三菱鉱業",
      "rank": 4,
      "name": "東京海上火災",
      "shareholding_ratio": null,
      "shares_held": 2900000,
      "total_shares": null,
      "source": "上場会社総覧 1961年版"
    },
    {
      "FY": "FY60",
      "period": "1960/9",
      "company_name_at_period": "三菱鉱業",
      "rank": 5,
      "name": "大商証券",
      "shareholding_ratio": null,
      "shares_held": 2477200,
      "total_shares": null,
      "source": "上場会社総覧 1961年版"
    },
    {
      "FY": "FY60",
      "period": "1960/9",
      "company_name_at_period": "三菱鉱業",
      "rank": 6,
      "name": "九州鉱山",
      "shareholding_ratio": null,
      "shares_held": 2305000,
      "total_shares": null,
      "source": "上場会社総覧 1961年版"
    },
    {
      "FY": "FY60",
      "period": "1960/9",
      "company_name_at_period": "三菱鉱業",
      "rank": 7,
      "name": "三井信託",
      "shareholding_ratio": null,
      "shares_held": 2232000,
      "total_shares": null,
      "source": "上場会社総覧 1961年版"
    },
    {
      "FY": "FY60",
      "period": "1960/9",
      "company_name_at_period": "三菱鉱業",
      "rank": 8,
      "name": "三菱銀行",
      "shareholding_ratio": null,
      "shares_held": 2190000,
      "total_shares": null,
      "source": "上場会社総覧 1961年版"
    },
    {
      "FY": "FY60",
      "period": "1960/9",
      "company_name_at_period": "三菱鉱業",
      "rank": 9,
      "name": "住友信託",
      "shareholding_ratio": null,
      "shares_held": 1747230,
      "total_shares": null,
      "source": "上場会社総覧 1961年版"
    },
    {
      "FY": "FY60",
      "period": "1960/9",
      "company_name_at_period": "三菱鉱業",
      "rank": 10,
      "name": "大阪瓦斯",
      "shareholding_ratio": null,
      "shares_held": 1680000,
      "total_shares": null,
      "source": "上場会社総覧 1961年版"
    },
    {
      "FY": "FY61",
      "period": "1962/3",
      "company_name_at_period": "三菱鉱業",
      "rank": 1,
      "name": "三菱化成",
      "shareholding_ratio": null,
      "shares_held": 5758000,
      "total_shares": null,
      "source": "会社年鑑 1963年版"
    },
    {
      "FY": "FY61",
      "period": "1962/3",
      "company_name_at_period": "三菱鉱業",
      "rank": 2,
      "name": "明治生命",
      "shareholding_ratio": null,
      "shares_held": 4027000,
      "total_shares": null,
      "source": "会社年鑑 1963年版"
    },
    {
      "FY": "FY61",
      "period": "1962/3",
      "company_name_at_period": "三菱鉱業",
      "rank": 3,
      "name": "三菱信託",
      "shareholding_ratio": null,
      "shares_held": 3669000,
      "total_shares": null,
      "source": "会社年鑑 1963年版"
    },
    {
      "FY": "FY61",
      "period": "1962/3",
      "company_name_at_period": "三菱鉱業",
      "rank": 4,
      "name": "東京海上",
      "shareholding_ratio": null,
      "shares_held": 3199000,
      "total_shares": null,
      "source": "会社年鑑 1963年版"
    },
    {
      "FY": "FY61",
      "period": "1962/3",
      "company_name_at_period": "三菱鉱業",
      "rank": 5,
      "name": "三菱銀行",
      "shareholding_ratio": null,
      "shares_held": 2416000,
      "total_shares": null,
      "source": "会社年鑑 1963年版"
    },
    {
      "FY": "FY61",
      "period": "1962/3",
      "company_name_at_period": "三菱鉱業",
      "rank": 6,
      "name": "九州鉱山",
      "shareholding_ratio": null,
      "shares_held": 2219000,
      "total_shares": null,
      "source": "会社年鑑 1963年版"
    },
    {
      "FY": "FY61",
      "period": "1962/3",
      "company_name_at_period": "三菱鉱業",
      "rank": 7,
      "name": "日証金",
      "shareholding_ratio": null,
      "shares_held": 2048000,
      "total_shares": null,
      "source": "会社年鑑 1963年版"
    },
    {
      "FY": "FY61",
      "period": "1962/3",
      "company_name_at_period": "三菱鉱業",
      "rank": 8,
      "name": "大阪瓦斯",
      "shareholding_ratio": null,
      "shares_held": 1853000,
      "total_shares": null,
      "source": "会社年鑑 1963年版"
    },
    {
      "FY": "FY61",
      "period": "1962/3",
      "company_name_at_period": "三菱鉱業",
      "rank": 9,
      "name": "住友信託",
      "shareholding_ratio": null,
      "shares_held": 1821000,
      "total_shares": null,
      "source": "会社年鑑 1963年版"
    },
    {
      "FY": "FY65",
      "period": "1966/3",
      "company_name_at_period": "三菱鉱業",
      "rank": 1,
      "name": "三菱化成",
      "shareholding_ratio": null,
      "shares_held": 7224000,
      "total_shares": null,
      "source": "会社年鑑 1967年版"
    },
    {
      "FY": "FY65",
      "period": "1966/3",
      "company_name_at_period": "三菱鉱業",
      "rank": 2,
      "name": "明治生命",
      "shareholding_ratio": null,
      "shares_held": 5051000,
      "total_shares": null,
      "source": "会社年鑑 1967年版"
    },
    {
      "FY": "FY65",
      "period": "1966/3",
      "company_name_at_period": "三菱鉱業",
      "rank": 3,
      "name": "日証金",
      "shareholding_ratio": null,
      "shares_held": 5041000,
      "total_shares": null,
      "source": "会社年鑑 1967年版"
    },
    {
      "FY": "FY65",
      "period": "1966/3",
      "company_name_at_period": "三菱鉱業",
      "rank": 4,
      "name": "東京海上",
      "shareholding_ratio": null,
      "shares_held": 4013000,
      "total_shares": null,
      "source": "会社年鑑 1967年版"
    },
    {
      "FY": "FY65",
      "period": "1966/3",
      "company_name_at_period": "三菱鉱業",
      "rank": 5,
      "name": "三菱銀行",
      "shareholding_ratio": null,
      "shares_held": 3031000,
      "total_shares": null,
      "source": "会社年鑑 1967年版"
    },
    {
      "FY": "FY65",
      "period": "1966/3",
      "company_name_at_period": "三菱鉱業",
      "rank": 6,
      "name": "豊島",
      "shareholding_ratio": null,
      "shares_held": 2711000,
      "total_shares": null,
      "source": "会社年鑑 1967年版"
    },
    {
      "FY": "FY65",
      "period": "1966/3",
      "company_name_at_period": "三菱鉱業",
      "rank": 7,
      "name": "大阪瓦斯",
      "shareholding_ratio": null,
      "shares_held": 2325000,
      "total_shares": null,
      "source": "会社年鑑 1967年版"
    },
    {
      "FY": "FY65",
      "period": "1966/3",
      "company_name_at_period": "三菱鉱業",
      "rank": 8,
      "name": "三菱商事",
      "shareholding_ratio": null,
      "shares_held": 2130000,
      "total_shares": null,
      "source": "会社年鑑 1967年版"
    },
    {
      "FY": "FY65",
      "period": "1966/3",
      "company_name_at_period": "三菱鉱業",
      "rank": 9,
      "name": "三菱地所",
      "shareholding_ratio": null,
      "shares_held": 2076000,
      "total_shares": null,
      "source": "会社年鑑 1967年版"
    },
    {
      "FY": "FY65",
      "period": "1966/3",
      "company_name_at_period": "三菱鉱業",
      "rank": 10,
      "name": "石橋鉱業",
      "shareholding_ratio": null,
      "shares_held": 1992000,
      "total_shares": null,
      "source": "会社年鑑 1967年版"
    },
    {
      "FY": "FY69",
      "period": "1970/3",
      "company_name_at_period": "三菱鉱業",
      "rank": 1,
      "name": "三菱化成",
      "shareholding_ratio": null,
      "shares_held": 7224000,
      "total_shares": null,
      "source": "会社年鑑 1971年版"
    },
    {
      "FY": "FY69",
      "period": "1970/3",
      "company_name_at_period": "三菱鉱業",
      "rank": 2,
      "name": "日証金",
      "shareholding_ratio": null,
      "shares_held": 5143000,
      "total_shares": null,
      "source": "会社年鑑 1971年版"
    },
    {
      "FY": "FY69",
      "period": "1970/3",
      "company_name_at_period": "三菱鉱業",
      "rank": 3,
      "name": "明治生命",
      "shareholding_ratio": null,
      "shares_held": 5051000,
      "total_shares": null,
      "source": "会社年鑑 1971年版"
    },
    {
      "FY": "FY69",
      "period": "1970/3",
      "company_name_at_period": "三菱鉱業",
      "rank": 4,
      "name": "東京海上",
      "shareholding_ratio": null,
      "shares_held": 4013000,
      "total_shares": null,
      "source": "会社年鑑 1971年版"
    },
    {
      "FY": "FY69",
      "period": "1970/3",
      "company_name_at_period": "三菱鉱業",
      "rank": 5,
      "name": "三菱銀行",
      "shareholding_ratio": null,
      "shares_held": 3031000,
      "total_shares": null,
      "source": "会社年鑑 1971年版"
    },
    {
      "FY": "FY69",
      "period": "1970/3",
      "company_name_at_period": "三菱鉱業",
      "rank": 6,
      "name": "大阪瓦斯",
      "shareholding_ratio": null,
      "shares_held": 2325000,
      "total_shares": null,
      "source": "会社年鑑 1971年版"
    },
    {
      "FY": "FY69",
      "period": "1970/3",
      "company_name_at_period": "三菱鉱業",
      "rank": 7,
      "name": "石橋鉱業",
      "shareholding_ratio": null,
      "shares_held": 2194000,
      "total_shares": null,
      "source": "会社年鑑 1971年版"
    },
    {
      "FY": "FY69",
      "period": "1970/3",
      "company_name_at_period": "三菱鉱業",
      "rank": 8,
      "name": "三菱商事",
      "shareholding_ratio": null,
      "shares_held": 2130000,
      "total_shares": null,
      "source": "会社年鑑 1971年版"
    },
    {
      "FY": "FY69",
      "period": "1970/3",
      "company_name_at_period": "三菱鉱業",
      "rank": 9,
      "name": "三菱地所",
      "shareholding_ratio": null,
      "shares_held": 2076000,
      "total_shares": null,
      "source": "会社年鑑 1971年版"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "三菱鉱業セメント",
      "rank": 1,
      "name": "明治生命",
      "shareholding_ratio": null,
      "shares_held": 33672000,
      "total_shares": null,
      "source": "会社年鑑 1976年版"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "三菱鉱業セメント",
      "rank": 2,
      "name": "三菱化成",
      "shareholding_ratio": null,
      "shares_held": 18234000,
      "total_shares": null,
      "source": "会社年鑑 1976年版"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "三菱鉱業セメント",
      "rank": 3,
      "name": "旭硝子",
      "shareholding_ratio": null,
      "shares_held": 17784000,
      "total_shares": null,
      "source": "会社年鑑 1976年版"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "三菱鉱業セメント",
      "rank": 4,
      "name": "三菱銀行",
      "shareholding_ratio": null,
      "shares_held": 15820000,
      "total_shares": null,
      "source": "会社年鑑 1976年版"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "三菱鉱業セメント",
      "rank": 5,
      "name": "三菱信託",
      "shareholding_ratio": null,
      "shares_held": 11863000,
      "total_shares": null,
      "source": "会社年鑑 1976年版"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "三菱鉱業セメント",
      "rank": 6,
      "name": "三菱地所",
      "shareholding_ratio": null,
      "shares_held": 8646000,
      "total_shares": null,
      "source": "会社年鑑 1976年版"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "三菱鉱業セメント",
      "rank": 7,
      "name": "三菱重工業",
      "shareholding_ratio": null,
      "shares_held": 8615000,
      "total_shares": null,
      "source": "会社年鑑 1976年版"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "三菱鉱業セメント",
      "rank": 8,
      "name": "東京海上",
      "shareholding_ratio": null,
      "shares_held": 7719000,
      "total_shares": null,
      "source": "会社年鑑 1976年版"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "三菱鉱業セメント",
      "rank": 9,
      "name": "太陽生命",
      "shareholding_ratio": null,
      "shares_held": 7000000,
      "total_shares": null,
      "source": "会社年鑑 1976年版"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "三菱鉱業セメント",
      "rank": 10,
      "name": "三菱金属",
      "shareholding_ratio": null,
      "shares_held": 6137000,
      "total_shares": null,
      "source": "会社年鑑 1976年版"
    }
  ]
}