White Mountains Insurance Group WTM Bamboo Captive — Net Premiums written
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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:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPremiumsWritten.
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 — net premiums written?
- White Mountains Insurance Group (WTM) reported bamboo captive — net premiums written of $4.03M in Q4 2025.
- How has White Mountains Insurance Group's bamboo captive — net premiums written changed year-over-year?
- White Mountains Insurance Group's bamboo captive — net premiums written decreased by 67.8% year-over-year, from $12.5M to $4.03M.
- What does bamboo captive — net premiums written mean?
- This represents the total premiums on policies issued by the segment during a period, net of premiums ceded to reinsurers. It serves as a primary indicator of the segment's top-line growth and market demand for its insurance products. Tracking this metric helps assess the segment's underwriting volume and its ability to attract and retain business.