{
  "spec_version": "3",
  "endpoint": "shareholders",
  "stock_code": "3862",
  "company_name": "本州製紙",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/3862/shareholders/",
  "api_url": "/api/3862/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/3862/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（1971年版）",
      "会社年鑑（1976年版）",
      "会社年鑑（1986年版）",
      "会社年鑑（1963年版）",
      "会社年鑑（1967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": "本州製紙",
      "rank": 1,
      "name": "住友信託銀行",
      "shareholding_ratio": null,
      "shares_held": 2930000,
      "total_shares": 40000000,
      "source": "上場会社総覧（1956年版）"
    },
    {
      "FY": "FY55",
      "period": "1955/9",
      "company_name_at_period": "本州製紙",
      "rank": 2,
      "name": "三菱信託銀行",
      "shareholding_ratio": null,
      "shares_held": 1989000,
      "total_shares": 40000000,
      "source": "上場会社総覧（1956年版）"
    },
    {
      "FY": "FY55",
      "period": "1955/9",
      "company_name_at_period": "本州製紙",
      "rank": 3,
      "name": "大和銀行",
      "shareholding_ratio": null,
      "shares_held": 1967400,
      "total_shares": 40000000,
      "source": "上場会社総覧（1956年版）"
    },
    {
      "FY": "FY55",
      "period": "1955/9",
      "company_name_at_period": "本州製紙",
      "rank": 4,
      "name": "第一生命保険",
      "shareholding_ratio": null,
      "shares_held": 1200000,
      "total_shares": 40000000,
      "source": "上場会社総覧（1956年版）"
    },
    {
      "FY": "FY55",
      "period": "1955/9",
      "company_name_at_period": "本州製紙",
      "rank": 5,
      "name": "三井生命保険",
      "shareholding_ratio": null,
      "shares_held": 1012000,
      "total_shares": 40000000,
      "source": "上場会社総覧（1956年版）"
    },
    {
      "FY": "FY55",
      "period": "1955/9",
      "company_name_at_period": "本州製紙",
      "rank": 6,
      "name": "日本生命保険",
      "shareholding_ratio": null,
      "shares_held": 640000,
      "total_shares": 40000000,
      "source": "上場会社総覧（1956年版）"
    },
    {
      "FY": "FY55",
      "period": "1955/9",
      "company_name_at_period": "本州製紙",
      "rank": 7,
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      "shareholding_ratio": null,
      "shares_held": 600000,
      "total_shares": 40000000,
      "source": "上場会社総覧（1956年版）"
    },
    {
      "FY": "FY55",
      "period": "1955/9",
      "company_name_at_period": "本州製紙",
      "rank": 8,
      "name": "大和証券",
      "shareholding_ratio": null,
      "shares_held": 581300,
      "total_shares": 40000000,
      "source": "上場会社総覧（1956年版）"
    },
    {
      "FY": "FY55",
      "period": "1955/9",
      "company_name_at_period": "本州製紙",
      "rank": 9,
      "name": "中井商店",
      "shareholding_ratio": null,
      "shares_held": 550000,
      "total_shares": 40000000,
      "source": "上場会社総覧（1956年版）"
    },
    {
      "FY": "FY55",
      "period": "1955/9",
      "company_name_at_period": "本州製紙",
      "rank": 10,
      "name": "協和銀行",
      "shareholding_ratio": null,
      "shares_held": 520000,
      "total_shares": 40000000,
      "source": "上場会社総覧（1956年版）"
    },
    {
      "FY": "FY58",
      "period": "1958/9",
      "company_name_at_period": "本州製紙",
      "rank": 1,
      "name": "三菱信託銀行",
      "shareholding_ratio": null,
      "shares_held": 2340000,
      "total_shares": 40000000,
      "source": "上場会社総覧（1959年版）"
    },
    {
      "FY": "FY58",
      "period": "1958/9",
      "company_name_at_period": "本州製紙",
      "rank": 2,
      "name": "三井生命",
      "shareholding_ratio": null,
      "shares_held": 2000000,
      "total_shares": 40000000,
      "source": "上場会社総覧（1959年版）"
    },
    {
      "FY": "FY58",
      "period": "1958/9",
      "company_name_at_period": "本州製紙",
      "rank": 3,
      "name": "大和銀行",
      "shareholding_ratio": null,
      "shares_held": 1540000,
      "total_shares": 40000000,
      "source": "上場会社総覧（1959年版）"
    },
    {
      "FY": "FY58",
      "period": "1958/9",
      "company_name_at_period": "本州製紙",
      "rank": 4,
      "name": "第一生命",
      "shareholding_ratio": null,
      "shares_held": 1501000,
      "total_shares": 40000000,
      "source": "上場会社総覧（1959年版）"
    },
    {
      "FY": "FY58",
      "period": "1958/9",
      "company_name_at_period": "本州製紙",
      "rank": 5,
      "name": "住友信託銀行",
      "shareholding_ratio": null,
      "shares_held": 950000,
      "total_shares": 40000000,
      "source": "上場会社総覧（1959年版）"
    },
    {
      "FY": "FY58",
      "period": "1958/9",
      "company_name_at_period": "本州製紙",
      "rank": 6,
      "name": "日本勧業銀行",
      "shareholding_ratio": null,
      "shares_held": 800000,
      "total_shares": 40000000,
      "source": "上場会社総覧（1959年版）"
    },
    {
      "FY": "FY58",
      "period": "1958/9",
      "company_name_at_period": "本州製紙",
      "rank": 7,
      "name": "大和証券",
      "shareholding_ratio": null,
      "shares_held": 739200,
      "total_shares": 40000000,
      "source": "上場会社総覧（1959年版）"
    },
    {
      "FY": "FY58",
      "period": "1958/9",
      "company_name_at_period": "本州製紙",
      "rank": 8,
      "name": "日本生命",
      "shareholding_ratio": null,
      "shares_held": 640000,
      "total_shares": 40000000,
      "source": "上場会社総覧（1959年版）"
    },
    {
      "FY": "FY58",
      "period": "1958/9",
      "company_name_at_period": "本州製紙",
      "rank": 9,
      "name": "三井信託銀行",
      "shareholding_ratio": null,
      "shares_held": 561500,
      "total_shares": 40000000,
      "source": "上場会社総覧（1959年版）"
    },
    {
      "FY": "FY58",
      "period": "1958/9",
      "company_name_at_period": "本州製紙",
      "rank": 10,
      "name": "中井商店",
      "shareholding_ratio": null,
      "shares_held": 550000,
      "total_shares": 40000000,
      "source": "上場会社総覧（1959年版）"
    },
    {
      "FY": "FY60",
      "period": "1960/9",
      "company_name_at_period": "本州製紙",
      "rank": 1,
      "name": "三菱信託",
      "shareholding_ratio": null,
      "shares_held": 2914000,
      "total_shares": 40000000,
      "source": "上場会社総覧（1961年版）"
    },
    {
      "FY": "FY60",
      "period": "1960/9",
      "company_name_at_period": "本州製紙",
      "rank": 2,
      "name": "住友信託(東京)",
      "shareholding_ratio": null,
      "shares_held": 2283500,
      "total_shares": 40000000,
      "source": "上場会社総覧（1961年版）"
    },
    {
      "FY": "FY60",
      "period": "1960/9",
      "company_name_at_period": "本州製紙",
      "rank": 3,
      "name": "三井生命",
      "shareholding_ratio": null,
      "shares_held": 2000000,
      "total_shares": 40000000,
      "source": "上場会社総覧（1961年版）"
    },
    {
      "FY": "FY60",
      "period": "1960/9",
      "company_name_at_period": "本州製紙",
      "rank": 4,
      "name": "東洋信託",
      "shareholding_ratio": null,
      "shares_held": 2000000,
      "total_shares": 40000000,
      "source": "上場会社総覧（1961年版）"
    },
    {
      "FY": "FY60",
      "period": "1960/9",
      "company_name_at_period": "本州製紙",
      "rank": 5,
      "name": "第一生命",
      "shareholding_ratio": null,
      "shares_held": 1500000,
      "total_shares": 40000000,
      "source": "上場会社総覧（1961年版）"
    },
    {
      "FY": "FY60",
      "period": "1960/9",
      "company_name_at_period": "本州製紙",
      "rank": 6,
      "name": "日本勧業銀行",
      "shareholding_ratio": null,
      "shares_held": 800000,
      "total_shares": 40000000,
      "source": "上場会社総覧（1961年版）"
    },
    {
      "FY": "FY60",
      "period": "1960/9",
      "company_name_at_period": "本州製紙",
      "rank": 7,
      "name": "日本生命",
      "shareholding_ratio": null,
      "shares_held": 640000,
      "total_shares": 40000000,
      "source": "上場会社総覧（1961年版）"
    },
    {
      "FY": "FY60",
      "period": "1960/9",
      "company_name_at_period": "本州製紙",
      "rank": 8,
      "name": "中井商店",
      "shareholding_ratio": null,
      "shares_held": 550000,
      "total_shares": 40000000,
      "source": "上場会社総覧（1961年版）"
    },
    {
      "FY": "FY60",
      "period": "1960/9",
      "company_name_at_period": "本州製紙",
      "rank": 9,
      "name": "協和銀行",
      "shareholding_ratio": null,
      "shares_held": 500000,
      "total_shares": 40000000,
      "source": "上場会社総覧（1961年版）"
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    {
      "FY": "FY60",
      "period": "1960/9",
      "company_name_at_period": "本州製紙",
      "rank": 10,
      "name": "東邦生命",
      "shareholding_ratio": null,
      "shares_held": 500000,
      "total_shares": 40000000,
      "source": "上場会社総覧（1961年版）"
    },
    {
      "FY": "FY61",
      "period": "1962/3",
      "company_name_at_period": "本州製紙",
      "rank": 1,
      "name": "住友信託(東京)",
      "shareholding_ratio": null,
      "shares_held": 3055000,
      "total_shares": null,
      "source": "会社年鑑（1963年版）"
    },
    {
      "FY": "FY61",
      "period": "1962/3",
      "company_name_at_period": "本州製紙",
      "rank": 2,
      "name": "三井生命",
      "shareholding_ratio": null,
      "shares_held": 2000000,
      "total_shares": null,
      "source": "会社年鑑（1963年版）"
    },
    {
      "FY": "FY61",
      "period": "1962/3",
      "company_name_at_period": "本州製紙",
      "rank": 3,
      "name": "東洋信託",
      "shareholding_ratio": null,
      "shares_held": 1843000,
      "total_shares": null,
      "source": "会社年鑑（1963年版）"
    },
    {
      "FY": "FY61",
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      "company_name_at_period": "本州製紙",
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      "name": "第一生命",
      "shareholding_ratio": null,
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      "total_shares": null,
      "source": "会社年鑑（1963年版）"
    },
    {
      "FY": "FY61",
      "period": "1962/3",
      "company_name_at_period": "本州製紙",
      "rank": 5,
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      "shareholding_ratio": null,
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      "total_shares": null,
      "source": "会社年鑑（1963年版）"
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      "company_name_at_period": "本州製紙",
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      "total_shares": null,
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    },
    {
      "FY": "FY61",
      "period": "1962/3",
      "company_name_at_period": "本州製紙",
      "rank": 7,
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      "shareholding_ratio": null,
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      "total_shares": null,
      "source": "会社年鑑（1963年版）"
    },
    {
      "FY": "FY61",
      "period": "1962/3",
      "company_name_at_period": "本州製紙",
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    },
    {
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      "company_name_at_period": "本州製紙",
      "rank": 9,
      "name": "大和証券",
      "shareholding_ratio": null,
      "shares_held": 575000,
      "total_shares": null,
      "source": "会社年鑑（1963年版）"
    },
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      "company_name_at_period": "本州製紙",
      "rank": 1,
      "name": "日本共同証券",
      "shareholding_ratio": null,
      "shares_held": 7756000,
      "total_shares": null,
      "source": "会社年鑑（1967年版）"
    },
    {
      "FY": "FY65",
      "period": "1966/3",
      "company_name_at_period": "本州製紙",
      "rank": 2,
      "name": "三菱信託",
      "shareholding_ratio": null,
      "shares_held": 6953000,
      "total_shares": null,
      "source": "会社年鑑（1967年版）"
    },
    {
      "FY": "FY65",
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      "company_name_at_period": "本州製紙",
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      "source": "会社年鑑（1967年版）"
    },
    {
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      "source": "会社年鑑（1967年版）"
    },
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      "FY": "FY65",
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      "source": "会社年鑑（1967年版）"
    },
    {
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      "company_name_at_period": "本州製紙",
      "rank": 8,
      "name": "三井信託",
      "shareholding_ratio": null,
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      "total_shares": null,
      "source": "会社年鑑（1967年版）"
    },
    {
      "FY": "FY65",
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      "company_name_at_period": "本州製紙",
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      "source": "会社年鑑（1967年版）"
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      "company_name_at_period": "本州製紙",
      "rank": 1,
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      "shareholding_ratio": null,
      "shares_held": 4850000,
      "total_shares": null,
      "source": "会社年鑑（1971年版）"
    },
    {
      "FY": "FY69",
      "period": "1970/3",
      "company_name_at_period": "本州製紙",
      "rank": 2,
      "name": "第一生命",
      "shareholding_ratio": null,
      "shares_held": 4600000,
      "total_shares": null,
      "source": "会社年鑑（1971年版）"
    },
    {
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      "period": "1970/3",
      "company_name_at_period": "本州製紙",
      "rank": 3,
      "name": "日本生命",
      "shareholding_ratio": null,
      "shares_held": 3500000,
      "total_shares": null,
      "source": "会社年鑑（1971年版）"
    },
    {
      "FY": "FY69",
      "period": "1970/3",
      "company_name_at_period": "本州製紙",
      "rank": 4,
      "name": "勧銀",
      "shareholding_ratio": null,
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      "source": "会社年鑑（1971年版）"
    },
    {
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      "rank": 5,
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      "total_shares": null,
      "source": "会社年鑑（1971年版）"
    },
    {
      "FY": "FY69",
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      "company_name_at_period": "本州製紙",
      "rank": 6,
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      "shareholding_ratio": null,
      "shares_held": 3000000,
      "total_shares": null,
      "source": "会社年鑑（1971年版）"
    },
    {
      "FY": "FY69",
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      "rank": 7,
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      "shareholding_ratio": null,
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      "total_shares": null,
      "source": "会社年鑑（1971年版）"
    },
    {
      "FY": "FY69",
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      "company_name_at_period": "本州製紙",
      "rank": 8,
      "name": "日証金",
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      "source": "会社年鑑（1971年版）"
    },
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      "shares_held": 1390000,
      "total_shares": null,
      "source": "会社年鑑（1971年版）"
    },
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      "FY": "FY69",
      "period": "1970/3",
      "company_name_at_period": "本州製紙",
      "rank": 10,
      "name": "東邦生命",
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      "shares_held": 1340000,
      "total_shares": null,
      "source": "会社年鑑（1971年版）"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "本州製紙",
      "rank": 1,
      "name": "第一生命",
      "shareholding_ratio": null,
      "shares_held": 6500000,
      "total_shares": null,
      "source": "会社年鑑（1976年版）"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "本州製紙",
      "rank": 2,
      "name": "三井生命",
      "shareholding_ratio": null,
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}