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  "license": "CC BY 4.0",
  "slug": "bill-ackman",
  "type": "person",
  "name_jp": "ビル・アックマン",
  "name_en": "Bill Ackman",
  "aliases": [
    "Bill Ackman",
    "William Ackman",
    "ビル・アックマン",
    "アックマン"
  ],
  "also_known_as": [],
  "website": null,
  "summary": "米国のアクティビスト投資家。ヘッジファンド パーシング・スクエア の創業者兼 CEO。2026 年 4 月、UMG への約 644 億ドルの買収提案を主導し、上場地を NYSE へ移す「New UMG」構想を提示したが、UMG 取締役会と筆頭株主 ボロレ の反対で実現しなかった。6 月 4 日に保有 UMG 株を全て売却して完全撤退し、約 5 年の関与に幕を下ろした。",
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  "geographic": null,
  "mentions_count": 2,
  "co_occurrences": [
    {
      "slug": "universal-music-group",
      "count": 2
    },
    {
      "slug": "pershing-square",
      "count": 2
    },
    {
      "slug": "bollore",
      "count": 2
    },
    {
      "slug": "spotify",
      "count": 2
    }
  ],
  "mentions": [
    {
      "slug": "umg-buys-back-ackman-stake-pershing-exit",
      "title_jp": "UMG、アックマン保有株を €250M で買い戻し — パーシング・スクエア完全撤退で5年の攻防に幕",
      "title_en": "UMG Buys Back €250M of Ackman's Stake as Pershing Square Fully Exits, Ending a Five-Year Standoff",
      "category": "strategy",
      "published_at": "2026-06-04T00:00:00.000Z",
      "url": "https://streamingbusinessreview.com/articles/umg-buys-back-ackman-stake-pershing-exit/"
    },
    {
      "slug": "umg-rejects-ackman-64bn-takeover-bid",
      "title_jp": "UMG、アックマンの644億ドル買収提案を全会一致で拒否 — 上場地を NYSE へ移す『New UMG』構想を筆頭株主が一蹴",
      "title_en": "UMG's Board Unanimously Rejects Ackman's $64.4B Bid to Redomicile as 'New UMG' on the NYSE",
      "category": "strategy",
      "published_at": "2026-05-31T00:00:00.000Z",
      "url": "https://streamingbusinessreview.com/articles/umg-rejects-ackman-64bn-takeover-bid/"
    }
  ],
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