{
  "spec_version": "4",
  "endpoint": "history",
  "stock_code": "5016",
  "company_name": "JX金属",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/5016/decisions/",
  "api_url": "/api/5016/history.json",
  "updated": "2026-09-26",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/5016/decisions/",
  "source": {
    "long_term": {
      "primary": [
        "有価証券報告書"
      ],
      "extraction": "EDINET の XBRL、kabupro 掲載の旧有価証券報告書、会社年鑑・社史等からの転記",
      "row_field": "reference",
      "caveat": "創業期から現在までを 1 本に繋いだ長期系列のため、年代により出所・単位・連結範囲が変わる。行ごとの reference / unit / consolidation を必ず参照すること"
    }
  },
  "title": "JX金属の歴史概略",
  "eras": [
    {
      "title": "日立鉱山の操業から久原鉱業の設立、佐賀関製錬所と日本産業への改称",
      "start_year": 1905,
      "end_year": 1928
    },
    {
      "title": "日本産業から分離した日本鉱業と、戦時増産・戦後の再建",
      "start_year": 1929,
      "end_year": 1963
    },
    {
      "title": "金属加工への参入とリサイクル炉、日立鉱山の閉山と電子材料事業",
      "start_year": 1964,
      "end_year": 1991
    },
    {
      "title": "日鉱金属の分離と上場からJXへの統合、チリ銅鉱山の撤退と東証プライム上場",
      "start_year": 1992,
      "end_year": 2026
    }
  ],
  "summary": {
    "description": "JX金属（旧新日鉱ホールディングス）の歴史。1905年、久原房之助氏が茨城の日立鉱山を開いた非鉄金属会社。日本鉱業への改組、チリのカセロネス銅鉱山、電子材料への展開と再上場までの沿革と経緯を執筆。"
  },
  "long_term": [
    {
      "year": 2023,
      "month": 3,
      "company_name": "JX金属",
      "consolidation": "連結",
      "accounting_standard": "IFRS",
      "unit": "億円",
      "sales_jp": "売上高",
      "sales": 16385,
      "operating_profit_jp": "営業利益",
      "operating_profit": 729,
      "ordinary_profit_jp": null,
      "ordinary_profit": null,
      "net_profit_jp": "親会社株主に帰属する当期純利益",
      "net_profit": 369,
      "net_margin": 2.252,
      "employees": 10431,
      "reference": null
    },
    {
      "year": 2024,
      "month": 3,
      "company_name": "JX金属",
      "consolidation": "連結",
      "accounting_standard": "IFRS",
      "unit": "億円",
      "sales_jp": "売上高",
      "sales": 15123,
      "operating_profit_jp": "営業利益",
      "operating_profit": 862,
      "ordinary_profit_jp": null,
      "ordinary_profit": null,
      "net_profit_jp": "親会社株主に帰属する当期純利益",
      "net_profit": 1026,
      "net_margin": 6.784,
      "employees": 9282,
      "reference": null
    },
    {
      "year": 2025,
      "month": 3,
      "company_name": "JX金属",
      "consolidation": "連結",
      "accounting_standard": "IFRS",
      "unit": "億円",
      "sales_jp": "売上高",
      "sales": 7149,
      "operating_profit_jp": "営業利益",
      "operating_profit": 1125,
      "ordinary_profit_jp": null,
      "ordinary_profit": null,
      "net_profit_jp": "親会社株主に帰属する当期純利益",
      "net_profit": 683,
      "net_margin": 9.553,
      "employees": 10413,
      "reference": null
    },
    {
      "year": 2026,
      "month": 3,
      "company_name": "JX金属",
      "consolidation": "連結",
      "accounting_standard": "IFRS",
      "unit": "億円",
      "sales_jp": "売上高",
      "sales": 8846,
      "operating_profit_jp": "営業利益",
      "operating_profit": 1750,
      "ordinary_profit_jp": null,
      "ordinary_profit": null,
      "net_profit_jp": "親会社株主に帰属する当期純利益",
      "net_profit": 1046,
      "net_margin": 11.824,
      "employees": 10450,
      "reference": null
    }
  ]
}