White Mountains Insurance Group LTD

White Mountains Insurance Group reports strong 2025 performance with 25% growth in book value per share and outlines strategic capital deployment plans.

White Mountains Insurance Group, Ltd. announced the results of its 2026 Annual General Meeting, including director elections and executive compensation approval.

White Mountains Insurance Group, Ltd. announced its subsidiary HG Global Ltd. has completed a $200 million private placement of fixed-rate senior secured notes.

White Mountains Insurance Group, Ltd. announced first quarter 2026 results, with book value per share decreasing 1% to $2,170, impacted by investment performance.

White Mountains Partners, an operating company of White Mountains Insurance Group, has acquired a majority interest in BaseSix Systems LLC for approximately $97 million.

White Mountains Insurance Group completes a $125 million strategic capital investment in Bishop Street Underwriters, a RedBird Capital Partners portfolio company.

White Mountains Insurance Group reported a net loss of $27.2 million for Q1 2026, impacted by a decline in MediaAlpha share price and catastrophe losses, despite solid operational performance.

White Mountains Insurance Group reports mixed Q3 2025 results with a decline in net income but significant strategic acquisitions and an anticipated book value boost from the Bamboo sale.

White Mountains Insurance Group reports a 3% increase in book value per share for Q2 2025, driven by solid operating results and strategic acquisitions in insurance and asset management.

White Mountains Insurance Group's Q1 2025 results were influenced by a decline in MediaAlpha's share price and catastrophe losses, despite solid performance from operating businesses.

White Mountains Insurance Group reported a significant increase in book value per share and adjusted book value per share in Q3 2024, driven by investment gains and solid operating results.

White Mountains Insurance Group's second quarter saw a net loss of $54.6 million, impacted by investment losses, while strategic acquisitions and segment performance showed promise.

White Mountains Insurance Group, Ltd. reported a 25% increase in book value per share for 2025, primarily fueled by the $848 million net cash proceeds from the Bamboo Group sale and solid operating performance.

White Mountains Insurance Group reports a 6% increase in book value per share and an 8% increase in adjusted book value per share for 2024, driven by solid operating business performance and investment returns.

White Mountains Insurance Group outlines the terms and conditions of its common shares in its latest 10-K filing, including voting rights, dividend entitlements, and change of control provisions.

White Mountains Insurance Group director David Tanner acquired 135 common shares as part of an annual director compensation award.

Director Suzanne F. Shank acquired 135 common shares of White Mountains Insurance Group, Ltd. as an annual director award.

Director Weston M. Hicks acquired 190 common shares of White Mountains Insurance Group, Ltd. as part of an annual chairman share award.

White Mountains Insurance Group director Philip A. Gelston acquired 135 common shares as part of an annual director award.

Director Margaret Dillon acquired 135 common shares of White Mountains Insurance Group, Ltd. as part of an annual director award.

Director John Chu acquired 135 common shares of White Mountains Insurance Group, Ltd. as part of an annual director award.

White Mountains Insurance Group reports a 25% increase in book value per share for 2025, driven by the successful sale of Bamboo, alongside strategic acquisitions and a planned CEO succession.

White Mountains Insurance Group reports positive 2024 results driven by strong performance in its operating businesses and investment portfolio, and is seeking shareholder approval for an amendment to its long-term incentive plan.

White Mountains Insurance Group highlights a successful 2023 with significant growth in book value per share and adjusted book value per share, driven by strong operating results and investment returns.

White Mountains Insurance Group Ltd. reports its Q1 2026 holdings, primarily in MediaAlpha Inc. CL A and SPDR S&P 500 ETF Trust.

White Mountains Insurance Group Ltd. filed its Q4 2025 13F report, revealing significant holdings in MediaAlpha Inc. Class A and SPDR S&P 500 ETF Trust.

White Mountains Insurance Group Ltd. reported its Q3 2025 institutional investment holdings, revealing a significant sole position in MediaAlpha Inc. Class A shares.

White Mountains Insurance Group Ltd. reported a significant holding of 17.86 million Class A shares in MediaAlpha Inc., valued at over $195 million, as of June 30, 2025.

White Mountains Insurance Group's latest 13F filing discloses its equity holdings as of March 31, 2025, with significant positions in MediaAlpha Inc and SPDR S&P 500 ETF Trust.

White Mountains Insurance Group's latest 13F filing discloses its holdings as of December 31, 2024, with significant investments in MediaAlpha Inc and SPDR S&P 500 ETF Trust.

White Mountains Insurance Group updates its beneficial ownership of MediaAlpha, Inc. following changes in the issuer's outstanding share count.

White Mountains Insurance Group and WM Hinson updated their beneficial ownership in MediaAlpha, Inc. Class A Common Stock to 31.7%, a change solely due to an increase in outstanding shares.

Neuberger Berman Group LLC and its affiliate Neuberger Berman Investment Advisers LLC have filed a Schedule 13G, reporting beneficial ownership of 4.9% and 4.8% of White Mountains Insurance Group Ltd. common stock, respectively.

Vanguard Capital Management reports beneficial ownership of 5.18% of White Mountains Insurance Group Ltd. common stock as of March 31, 2026.

The Vanguard Group has filed an amended Schedule 13G, reporting zero beneficial ownership in White Mountains Insurance Group Ltd following an internal realignment.

Morgan Stanley has reduced its beneficial ownership in White Mountains Insurance Group Ltd. to 3.0%, ceasing to be a greater than 5% owner.

Neuberger Berman Group LLC and its affiliates have reported a 5.1% beneficial ownership stake in White Mountains Insurance Group LT, signaling a significant institutional investment.

Morgan Stanley has filed an amendment to its Schedule 13G, reporting a 5.2% beneficial ownership stake in White Mountains Insurance Group Ltd.