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White Mountains Insurance Group WTM Bamboo Captive — Amortization
of deferred
policy acquisition costs

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Other financials

Income statement

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Revenue$517.8M-10.4%
Gross profit$475.1M-16.7%
Net income-$27.2M-180%

Balance sheet

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Total debt$834.8M+23.5%
Total equity$5.4B+19.2%
Total assets$13.2B+19.7%

Cash flow

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Operating cash flow$30.5M+176%

Valuation

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Market cap$4.99B+9.8%

Profitability

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Gross margin94.9%-3.7pp
Net margin28.4%

Returns & leverage

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Return on equity21.2%
Debt / equity0.2×0.0×

Where this comes from

Reported directly by White Mountains Insurance Group in its filing.

Tagged under the XBRL concept us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersAmortizationOfDeferredPolicyAcquisitionCosts.

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 — amortization
of deferred
policy acquisition costs?
White Mountains Insurance Group (WTM) reported bamboo captive — amortization
of deferred
policy acquisition costs of $2.43M in Q4 2025.
How has White Mountains Insurance Group's bamboo captive — amortization
of deferred
policy acquisition costs changed year-over-year?
White Mountains Insurance Group's bamboo captive — amortization
of deferred
policy acquisition costs decreased by 31.2% year-over-year, from $3.53M to $2.43M.
What does bamboo captive — amortization
of deferred
policy acquisition costs mean?
This represents the systematic expensing of costs directly associated with acquiring, underwriting, and issuing insurance policies over the life of the related contracts. It reflects the timing of recognizing acquisition expenses relative to the earned premium revenue. Monitoring this helps investors understand the efficiency of policy acquisition and the impact of deferred costs on the segment's profitability.