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White Mountains Insurance Group WTM Bamboo Captive — Deferred Acquisition Costs
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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:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersDeferredPolicyAcquisitionCosts.
The source filing: White Mountains Insurance Group’s 10-K, filed February 27, 2026.
- Filed
- Feb 27, 2026, 9:21 AM EST
- Fiscal year
- FY2025
- Accession
- 0001628280-26-012603
| Column A / Affiliation withregistrant | Column B / Deferred acquisitioncosts | Column C / Reservesfor Unpaid Claims and Claims Adjustment Expenses | Column D / Discount, if any, deducted in Column C | Column E / Unearned Premiums | Column F / Earned Premiums | Column G / Net investmentincome | Column H / Claims and Claims Adjustment Expenses Incurred Related to / Current Year | Column H / Claims and Claims Adjustment Expenses Incurred Related to / Prior Year | Column I / Amortizationof deferredpolicy acquisitioncosts | Column J / Paid Claims and Claims Adjustment Expenses | Column K / Net Premiumswritten |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | 165.2 | 2,127.5 | — | 853.3 | 1,587.8 | 90.7 | 914.4 | (58.6) | 294.1 | 416.7 | 1,679.1 |
| 2023 | 145.3 | 1,605.1 | — | 743.6 | 1,409.7 | 61.4 | 706.9 | 19.9 | 273.1 | 407.9 | 1,520.9 |
| Bamboo Captive (1) | |||||||||||
| 2025 | — | — | — | — | $26.7 | $1.8 | $16.0 | $2.0 | $9.7 | $27.2 | $16.1 |
| 2024 | 10.2 | 17.8 | — | 31.5 | 39.4 | 1.4 | 17.3 | 3.3 | 14.1 | 12.0 | 50.0 |
| 2023 | — | — | — | — | — | — | — | — | — | — | — |
| Bamboo CRVs | |||||||||||
| 2025 | $2.5 | $13.6 | — | $9.6 | $22.2 | $1.5 | $16.2 | $3.8 | $8.3 | $16.4 | $1.4 |
Item 16. Form 10-K Summary.
FAQ
- What is White Mountains Insurance Group's bamboo captive — deferred acquisition costs?
- White Mountains Insurance Group (WTM) reported bamboo captive — deferred acquisition costs of $0 in Q4 2025.
- What does bamboo captive — deferred acquisition costs mean?
- Represents the capitalized costs associated with acquiring new insurance contracts that are expected to be recovered from future premiums. This asset reflects the upfront investment in policy issuance, such as commissions and underwriting expenses, which are amortized over the life of the policy. It is a key indicator of the company's growth strategy and the long-term value of its insurance portfolio.
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