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White Mountains Insurance Group WTM Bamboo Captive — Ceded to Other Companies
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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:CededPremiumsEarned.
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 / $ in Millions Premiums Earned / Year ended: / December 31, 2025 | Column B / Gross Amount | Column C / Ceded to Other Companies | Column D / Assumed from Other Companies | Column E / Net Amount | Column F / Percentage of Amount Assumedto Net |
|---|---|---|---|---|---|
| Ark/WM Outrigger | $1,130.9 | $(632.4) | $1,198.9 | $1,697.4 | 70.6% |
| HG Global | — | — | 30.8 | 30.8 | 100.0 |
| Bamboo Captive (1) | — | (2.0) | 28.7 | 26.7 | 107.5 |
| Bamboo CRVs | — | — | 22.2 | 22.2 | 100.0 |
| December 31, 2024 | |||||
| Ark/WM Outrigger | 1,004.2 | (504.6) | 1,088.2 | 1,587.8 | 68.5 |
| HG Global | 15.8 | — | 15.9 | 31.7 | 50.2 |
| Bamboo Captive | — | (4.0) | 43.4 | 39.4 | 110.2 |
Item 16. Form 10-K Summary.
FAQ
- What is White Mountains Insurance Group's bamboo captive — ceded to other companies?
- White Mountains Insurance Group (WTM) reported bamboo captive — ceded to other companies of $500K in Q4 2025.
- How has White Mountains Insurance Group's bamboo captive — ceded to other companies changed year-over-year?
- White Mountains Insurance Group's bamboo captive — ceded to other companies decreased by 50.0% year-over-year, from $1M to $500K.
- What does bamboo captive — ceded to other companies mean?
- The portion of insurance risk and associated premiums transferred to third-party reinsurers. This metric indicates the captive's risk appetite and its strategy for managing exposure through reinsurance partnerships.
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