Earnings summaries and quarterly performance for WHITE MOUNTAINS INSURANCE GROUP.
Executive leadership at WHITE MOUNTAINS INSURANCE GROUP.
Board of directors at WHITE MOUNTAINS INSURANCE GROUP.
DT
David Tanner
Detailed
Deputy Chairman of the Board
MD
Margaret Dillon
Detailed
Director
MC
Mary Choksi
Detailed
Director
PC
Peter Carlson
Detailed
Director
PG
Philip Gelston
Detailed
Director
RC
Reid Campbell
Detailed
Director
SY
Steven Yi
Detailed
Director
SS
Suzanne Shank
Detailed
Director
WH
Weston Hicks
Detailed
Chairman of the Board
Research analysts covering WHITE MOUNTAINS INSURANCE GROUP.
Recent press releases and 8-K filings for WTM.
White Mountains Announces Preliminary Tender Offer Results
WTM
Share Buyback
- White Mountains Insurance Group, Ltd. (WTM) announced the preliminary results of its "modified Dutch auction" tender offer, which expired on December 19, 2025.
- The company expects to purchase 67,186 shares at or below $2,050 per share, totaling approximately $137.7 million.
- This purchase represents approximately 2.6% of White Mountains's shares outstanding as of November 19, 2025, with an expected 2,476,555 common shares outstanding immediately following payment.
Dec 22, 2025, 1:00 PM
White Mountains Completes Sale of Bamboo
WTM
M&A
- White Mountains Insurance Group, Ltd. (WTM) completed the sale of a controlling interest in Bamboo to affiliates of funds advised by CVC Capital Partners on December 5, 2025.
- The company sold approximately 77.3% of its equity interest in the Bamboo Group for net cash proceeds of $848 million at closing.
- White Mountains retained an indirect equity interest in Bamboo valued at $250 million, representing an approximately 15% fully-diluted equity stake.
- The transaction is expected to result in a pro forma increase in White Mountains's book value of $844.6 million as of September 30, 2025.
- Pro forma net income attributable to common shareholders for the nine months ended September 30, 2025, increased to $284.3 million, with basic and diluted earnings per share rising to $110.55.
Dec 8, 2025, 1:10 PM
White Mountains Reports Third Quarter 2025 Results
WTM
Earnings
M&A
New Projects/Investments
- White Mountains Insurance Group, Ltd. reported book value per share of $1,851 as of September 30, 2025, representing an increase of 3% for the third quarter and 6% for the first nine months of 2025, including dividends.
- The company entered into an agreement to sell approximately 77% of its equity interest in Bamboo, which is expected to increase book value per share by $325 to $2,176 and raise undeployed capital from $0.3 billion to $1.1 billion as of September 30, 2025.
- White Mountains acquired a controlling interest in Distinguished Programs on September 2, 2025, for $224 million in cash consideration.
- Comprehensive income attributable to common shareholders was $114 million for the third quarter of 2025 and $272 million for the first nine months of 2025.
Nov 6, 2025, 1:18 PM
White Mountains Reports Third Quarter 2025 Results
WTM
Earnings
M&A
New Projects/Investments
- White Mountains Insurance Group reported a book value per share of $1,851 as of September 30, 2025, representing an increase of 3% for the third quarter of 2025 and 6% for the first nine months of 2025, including dividends.
- The company's comprehensive income attributable to common shareholders was $114 million for the third quarter of 2025 and $272 million for the first nine months of 2025.
- White Mountains entered an agreement to sell approximately 77% of its equity interest in Bamboo, which is expected to increase book value per share by $325 to $2,176 as of September 30, 2025, and boost undeployed capital from roughly $0.3 billion to $1.1 billion.
- The Ark/WM Outrigger segment reported gross written premiums of $366 million in Q3 2025 and $2,289 million for the first nine months of 2025, with Ark's combined ratio at 76% for Q3 2025.
- Kudu achieved a 9% return on equity on a trailing 12-month basis as of September 30, 2025, and HG Global grew its book value by 3% in the third quarter of 2025.
Nov 6, 2025, 1:00 PM
White Mountains to Sell Controlling Interest in Bamboo to CVC
WTM
M&A
- White Mountains Insurance Group, Ltd. (WTM) has signed a definitive agreement to sell a controlling interest in Bamboo, a data-enabled insurance distribution platform, to funds advised by CVC Capital Partners.
- The transaction values Bamboo at $1.75 billion.
- White Mountains expects the transaction to result in a gain of approximately $310 to its book value per share and net cash proceeds of approximately $840 million.
- White Mountains will retain an approximately 15% fully-diluted equity stake in Bamboo post-closing, valued at $250 million based on the transaction.
- The transaction is expected to close by the end of the fourth quarter of 2025.
Oct 3, 2025, 8:20 PM
White Mountains to Sell Controlling Interest in Bamboo
WTM
M&A
New Projects/Investments
- White Mountains Insurance Group, Ltd. (WTM) has signed a definitive agreement to sell a controlling interest in Bamboo, a data-enabled insurance distribution platform, to funds advised by CVC Capital Partners.
- The transaction values Bamboo at $1.75 billion.
- White Mountains expects the sale to result in a gain of approximately $310 to its book value per share and net cash proceeds of approximately $840 million.
- White Mountains will retain an approximately 15% fully-diluted equity stake in Bamboo, valued at $250 million.
- The transaction is expected to close by the end of the fourth quarter of 2025.
Oct 3, 2025, 12:00 PM
White Mountains closes acquisition of Distinguished Programs
WTM
M&A
New Projects/Investments
- White Mountains Insurance Group, Ltd. closed the acquisition of 50% of AQ Phoenix Parent, L.P (\u201cDistinguished Programs\u201d) on September 2, 2025.
- The acquisition was completed for $224 million in cash.
- As a result of the acquisition, White Mountains now holds a 51% controlling interest in Distinguished Programs, inclusive of its existing approximately 1% interest.
Sep 3, 2025, 12:06 PM
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