Shutterstock.com_1537288637/Darryl Brooks
7 November 2025Reinsurance

White Mountains grows book value, GWP yet to catch up

The third-quarter results presented a mixed bag for Bermuda-based re/insurer White Mountains. While book value per share increased, overall results across the group varied, with an end-of-year outlook hinging on the sale closure of the controlling stake in Bamboo.

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