Company news
White Mountains Insurance Group, Ltd. news
Latest news releases, newest first. Pick a year for every news release, call and deck from that year.
Initial Statement of Beneficial Ownership (Form 3)
August 28, 2026
Stephen Klar Elected to the White Mountains Board
August 27, 2026
White Mountains: Q2 Earnings Snapshot
August 6, 2026
White Mountains to Hold 2026 Annual Investor Information Meeting on June 5, 2026
May 18, 2026
White Mountains: Q1 Earnings Snapshot
May 6, 2026
White Mountains Insurance Group: White Mountains Partners Announces Acquisition of Hawkeye Electric by Enterprise Solutions
May 4, 2026
White Mountains Partners announces acquisition of hawkeye electric by enterprise solutions
May 1, 2026
Announcement on Acquisition of Basesix
April 2, 2026
White Mountains Partners announces acquisition of basesix
April 1, 2026
2026 Dividend Declaration
March 13, 2026
2026 Annual General Meeting
March 6, 2026
White Mountains Insurance Group: Bishop Street Underwriters Announces Strategic Investment by White Mountains
February 27, 2026
White Mountains reports fourth quarter results
February 6, 2026
White Mountains Announces Final Results of Its Tender Offer
December 24, 2025
White Mountains Announces Preliminary Results of Its Tender Offer
December 22, 2025
White Mountains Completes Sale of Bamboo
December 8, 2025
White Mountains to Commence Self-Tender Offer to Purchase Up To $300 Million In Value of Its Common Shares
November 21, 2025
White Mountains reports third quarter results
November 6, 2025
White Mountains to Sell Bamboo to CVC
October 3, 2025
Bamboo Pioneers MGA-Sponsored Sidecar Expansion with Accredited to Launch E&S Signature in Texas
September 30, 2025
Liam Caffrey to become CEO of White Mountains in 2026
September 2, 2025
White Mountains reports second quarter results
August 7, 2025
White Mountains to Acquire a Majority Stake in Distinguished Programs
July 7, 2025
White Mountains to Hold 2025 Annual Investor Information Meeting on June 6, 2025
May 19, 2025
White Mountains reports first quarter results
May 7, 2025
White Mountains to Sell NSM to Carlyle
May 8, 2022
Calls
Decks
The 5 newest of 17 decks. Every deck is listed under its year.
- Investor Presentation (June 2026)
Investor deck · 86 slides · Jun 5, 2026
- Investor Presentation (June 2025)
Investor deck · 70 slides · Jun 6, 2025
- Investor Presentation (June 2024)
Investor deck · 63 slides · Jun 7, 2024
- Investor Presentation (June 2023)
Investor deck · 58 slides · Jun 6, 2023
- Investor Presentation (June 2022)
Investor deck · 56 slides · June 2022