Screener
White Mountains Insurance Group WTM Bamboo Captive — Other Operating Expenses
Other segment segments
Similar metrics at other companies
Other financials
Where this comes from
Reported directly by White Mountains Insurance Group in its filing.
Tagged under the XBRL concept us-gaap:SupplementaryInsuranceInformationOtherOperatingExpense.
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
| Years ended: / December 31, 2025 | Column A / Millions / Years ended: / December 31, 2025 | Column B / Deferred Acquisition Costs | Column C / Future Policy Benefits, Losses, Claimsand Loss Expenses | Column D / Unearned Premiums | Column E / Other Policy Claims and Benefits Payable | Column F / Premiums Earned | Column G / Net Investment Income | Column H / Benefits,Claims,Losses and Settlement Expenses | Column I / Amortizationof Deferred Acquisition Costs | Column J / Other Operating Expenses | Column K / Premiums Written |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Ark/WM Outrigger | $211.1 | $2,481.0 | $1,026.1 | — | $1,697.4 | $106.5 | $844.2 | $374.4 | $143.9 | $1,811.6 | |
| HG Global | 96.9 | — | 327.9 | — | 30.8 | 27.1 | — | 8.0 | — | 61.4 | |
| Bamboo Captive (1) | — | — | — | — | 26.7 | 1.8 | 18.0 | 9.7 | — | 16.1 | |
| Bamboo CRV | 2.5 | 13.6 | 9.6 | — | 22.2 | 1.5 | 20.0 | 8.3 | — | 1.4 | |
| December 31, 2024 | |||||||||||
| Ark/WM Outrigger | 165.2 | 2,127.5 | 853.3 | — | 1,587.8 | 90.7 | 855.8 | 294.1 | 136.1 | 1,679.1 | |
| HG Global | 86.6 | — | 297.3 | — | 31.7 | 32.2 | — | 8.2 | .2 | 56.0 | |
| Bamboo Captive | 10.2 | 17.8 | 31.5 | — | 39.4 | 1.4 | 20.6 | 14.1 | — | 50.0 |
Item 16. Form 10-K Summary.
FAQ
- What is White Mountains Insurance Group's bamboo captive — other operating expenses?
- White Mountains Insurance Group (WTM) reported bamboo captive — other operating expenses of $0 in Q4 2025.
- What does bamboo captive — other operating expenses mean?
- General administrative and overhead costs incurred to support the segment's operations, excluding direct claims and acquisition costs. This represents the fixed and variable costs of running the business, such as personnel, technology, and office expenses. Monitoring this helps evaluate the operational efficiency and cost management capabilities of the segment.
Ask your AI about White Mountains Insurance Group's bamboo captive — other operating expenses.
Connect your AI assistant and compare it to peers, right in your chat.
Connect your AI
Claude