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  "domain": "megabanks",
  "title": "みずほ FG (Mizuho FG)",
  "entry_type": "wiki_entry",
  "frontmatter": {
    "title": "みずほ FG (Mizuho FG)",
    "aliases": [
      "Mizuho FG",
      "Mizuho Financial Group",
      "みずほフィナンシャルグループ",
      "みずほ FG",
      "MHFG"
    ],
    "domain": "megabanks",
    "type": null,
    "created": "2026-05-19",
    "last_updated": "2026-07-29",
    "last_tended": "2026-07-29",
    "review_by": "2026-10-27",
    "confidence": "certain",
    "tags": [
      "JapanFG",
      "megabank"
    ],
    "status": "active",
    "canonical_anchor": null,
    "related": [],
    "note": null,
    "sources": [
      "Wikipedia: みずほフィナンシャルグループ (2026-05-19 抽出)",
      "Wikipedia: みずほ銀行 (2026-05-19 抽出)",
      "みずほ FG 第 23 期 (2025-03 期) 有価証券報告書",
      "みずほ FG「中期経営計画 2024-2026」(2024-05 公表)",
      "日本経済新聞「PayPay証券を連結子会社に PayPay、出資比率75%へ」(2025-02): https://www.nikkei.com/article/DGXZQOUB102E20Q5A210C2000000/",
      "日本経済新聞「みずほ銀行が広告ビジネス、サイバーエージェントと提携」(2024-01): https://www.nikkei.com/article/DGXZQOUB256360V20C24A1000000/",
      "Yahoo!ニュース/ABEMA TIMES「メガバンク初 みずほ銀行が対話型AIを業務に導入」(2023): https://news.yahoo.co.jp/articles/51973b383cf6057abe0cb43e1aa87a4c64d27bd5",
      "Mizuho「Group Companies」(2026-07-01 時点): https://www.mizuhogroup.com/who-we-are/group/outline",
      "Mizuho「Financial Information」(FY2025 決算公表確認): https://www.mizuhogroup.com/investors/financial-information"
    ]
  },
  "summary": "This entry sits under megabanks INDEX. Read it against 三菱 UFJ FG (MUFG) for peer / contrast context and banking index for the broader system / regulatory boundary.",
  "headings": [
    "みずほ FG (Mizuho FG)",
    "Wiki route",
    "TL;DR",
    "1. 会社概要",
    "2025-03 期決算（連結）^[extracted]",
    "主要株主（2025-03-31）^[extracted]",
    "主要子会社・持分",
    "合併経緯・前身",
    "重要年表（抜粋）^[extracted]",
    "2. 事業セグメント・マップ"
  ],
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      "https://finwiki.zksc.io/ja/megabanks/sbi-hd/",
      "https://finwiki.zksc.io/ja/megabanks/smfg/"
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