White Mountains Insurance Group.

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• board of directors Structural
  The company's board of directors declared a cash dividend on April 11, 2024.
  Moves White Mountains Insurance Group

  Thu 22:49
• Ark Structural
  Ark and Sarah Houle perform in a Zappa tribute band honoring the music and legacy of Frank Zappa.
  Moves White Mountains Insurance Group

  Thu 10:38
• Amundi Transactional
  Amundi purchased a new stake in Newmont Corporation stock on October 16, 2026.
  Moves White Mountains Insurance Group

  Thu 13:21
• Norges Bank Transactional
  Amundi and Norges Bank increased their stakes in GE Aerospace, while Mohamed Ali sold shares, leading to SEC filings.
  Moves White Mountains Insurance Group

  Tue 14:45
• Bermuda Shared context
  GeoPark Limited, incorporated under Bermuda laws, announced a new notes offering exempt from the US Securities Act.
  Moves White Mountains Insurance Group

  02:15
• New York Stock Exchange Shared context
  Fifth Third Bancorp purchased a new stake in the Western Asset Global Corporate Defined Opportunity Fund Inc. on October 22, 2026.
  Moves White Mountains Insurance Group

  06:02

• CVC Capital Partners Transactional

  CVC Capital Partners purchased Bamboo from White Mountains Insurance Group on 2026-08-06.

  Some supportSep 1
  White Mountains Insurance Group → CVC Capital Partners

  CVC Capital Partners → White Mountains Insurance Group
• board of directors Structural

  The board of directors serves as the governing body for White Mountains Insurance Group.

  Some supportAug 28
  White Mountains Insurance Group → board of directors

  board of directors → White Mountains Insurance Group
• Brown Brothers Harriman & Co. Transactional

  Brown Brothers Harriman & Co. has purchased a stake in White Mountains Insurance Group.

  Some supportSep 5
  White Mountains Insurance Group → Brown Brothers Harriman & Co.

  Brown Brothers Harriman & Co. → White Mountains Insurance Group
• Ark Structural

  Ark functions as a primary business segment of White Mountains Insurance Group.

  Some supportJul 3
  White Mountains Insurance Group → Ark

  Ark → White Mountains Insurance Group
• Amundi Transactional

  Amundi acquired a new investment position in shares of White Mountains Insurance Group.

  Some supportAug 8
  White Mountains Insurance Group → Amundi

  Amundi → White Mountains Insurance Group
• Norges Bank Transactional

  Norges Bank acquired a new stake in White Mountains Insurance Group.

  Some supportSep 27
  White Mountains Insurance Group → Norges Bank

  Norges Bank → White Mountains Insurance Group
• Berkshire Hathaway Shared context

  The evidence suggests that the entity operates within a functional model similar to that of Berkshire Hathaway.

  Some supportJul 3
  White Mountains Insurance Group → Berkshire Hathaway

  Berkshire Hathaway → White Mountains Insurance Group
• Bermuda Shared context

  White Mountains Insurance Group is headquartered in Bermuda.

  Some supportSep 27
  White Mountains Insurance Group → Bermuda

  Bermuda → White Mountains Insurance Group