White Mountains Insurance Group WTM Bamboo Captive — Prior Year
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Where this comes from
Reported directly by White Mountains Insurance Group in its filing.
Tagged under the XBRL concept us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense.
The official record: White Mountains Insurance Group’s 10-K, filed February 27, 2026, on SEC EDGAR. View the filing →
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Questions, answered.
- What is White Mountains Insurance Group's bamboo captive — prior year?
- White Mountains Insurance Group (WTM) reported bamboo captive — prior year of $500K in Q4 2025.
- How has White Mountains Insurance Group's bamboo captive — prior year changed year-over-year?
- White Mountains Insurance Group's bamboo captive — prior year decreased by 39.4% year-over-year, from $825K to $500K.
- What does bamboo captive — prior year mean?
- The development of claims and losses related to policies written in previous fiscal years. This metric is used to evaluate the adequacy of prior-period loss reserves and the accuracy of historical underwriting estimates.