White Mountains Insurance Group WTM Bamboo Captive — Net Investment Income
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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:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersNetInvestmentIncome.
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 investment income?
- White Mountains Insurance Group (WTM) reported bamboo captive — net investment income of $450K in Q4 2025.
- How has White Mountains Insurance Group's bamboo captive — net investment income changed year-over-year?
- White Mountains Insurance Group's bamboo captive — net investment income increased by 28.6% year-over-year, from $350K to $450K.
- What does bamboo captive — net investment income mean?
- The income generated from the investment of insurance premiums and other capital held by the segment, net of investment expenses. This represents the return on the company's float, which is a critical component of total profitability for insurance operations. It highlights the effectiveness of the company's asset management strategy in supporting underwriting activities.