{
  "spec_version": "3",
  "endpoint": "shareholders",
  "stock_code": "1331",
  "company_name": "ニチロ",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/1331/shareholders/",
  "api_url": "/api/1331/shareholders.json",
  "updated": "2026-08-23",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/1331/shareholders/",
  "source": {
    "primary": [
      "ダイヤモンド会社産業総覧 1964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": "1963/1",
      "company_name_at_period": "日魯漁業",
      "rank": 1,
      "name": "北海製罐",
      "shareholding_ratio": 4.2,
      "shares_held": 6000000,
      "total_shares": 140000000,
      "source": "ダイヤモンド会社産業総覧 1964年版"
    },
    {
      "FY": "FY62",
      "period": "1963/1",
      "company_name_at_period": "日魯漁業",
      "rank": 2,
      "name": "三菱信託銀行",
      "shareholding_ratio": 4.2,
      "shares_held": 5847000,
      "total_shares": 140000000,
      "source": "ダイヤモンド会社産業総覧 1964年版"
    },
    {
      "FY": "FY62",
      "period": "1963/1",
      "company_name_at_period": "日魯漁業",
      "rank": 3,
      "name": "東京海上火災保険",
      "shareholding_ratio": 3.5,
      "shares_held": 4900000,
      "total_shares": 140000000,
      "source": "ダイヤモンド会社産業総覧 1964年版"
    },
    {
      "FY": "FY62",
      "period": "1963/1",
      "company_name_at_period": "日魯漁業",
      "rank": 4,
      "name": "三井物産",
      "shareholding_ratio": 3,
      "shares_held": 4249000,
      "total_shares": 140000000,
      "source": "ダイヤモンド会社産業総覧 1964年版"
    },
    {
      "FY": "FY62",
      "period": "1963/1",
      "company_name_at_period": "日魯漁業",
      "rank": 5,
      "name": "東洋製罐",
      "shareholding_ratio": 3,
      "shares_held": 4200000,
      "total_shares": 140000000,
      "source": "ダイヤモンド会社産業総覧 1964年版"
    },
    {
      "FY": "FY62",
      "period": "1963/1",
      "company_name_at_period": "日魯漁業",
      "rank": 6,
      "name": "住友信託東京支店",
      "shareholding_ratio": 2.8,
      "shares_held": 3888500,
      "total_shares": 140000000,
      "source": "ダイヤモンド会社産業総覧 1964年版"
    },
    {
      "FY": "FY62",
      "period": "1963/1",
      "company_name_at_period": "日魯漁業",
      "rank": 7,
      "name": "日本証券金融",
      "shareholding_ratio": 2.4,
      "shares_held": 3411000,
      "total_shares": 140000000,
      "source": "ダイヤモンド会社産業総覧 1964年版"
    },
    {
      "FY": "FY62",
      "period": "1963/1",
      "company_name_at_period": "日魯漁業",
      "rank": 8,
      "name": "三菱商事",
      "shareholding_ratio": 2.3,
      "shares_held": 3200000,
      "total_shares": 140000000,
      "source": "ダイヤモンド会社産業総覧 1964年版"
    },
    {
      "FY": "FY62",
      "period": "1963/1",
      "company_name_at_period": "日魯漁業",
      "rank": 9,
      "name": "東洋棉花",
      "shareholding_ratio": 2.1,
      "shares_held": 3000000,
      "total_shares": 140000000,
      "source": "ダイヤモンド会社産業総覧 1964年版"
    },
    {
      "FY": "FY62",
      "period": "1963/1",
      "company_name_at_period": "日魯漁業",
      "rank": 10,
      "name": "三井信託銀行",
      "shareholding_ratio": 2,
      "shares_held": 2739500,
      "total_shares": 140000000,
      "source": "ダイヤモンド会社産業総覧 1964年版"
    }
  ]
}