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White Mountains Insurance Group WTM P&C Insurance and Reinsurance (Ark/WM Outrigger) — Ceded

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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:ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountCeded.

The official record: White Mountains Insurance Group’s 10-Q, filed May 6, 2026, on SEC EDGAR. View the filing →

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Questions, answered.

What is White Mountains Insurance Group's P&C insurance and reinsurance (ark/wm outrigger) — ceded?
White Mountains Insurance Group (WTM) reported P&C insurance and reinsurance (ark/wm outrigger) — ceded of $57.3M in Q1 2026.
How has White Mountains Insurance Group's P&C insurance and reinsurance (ark/wm outrigger) — ceded changed year-over-year?
White Mountains Insurance Group's P&C insurance and reinsurance (ark/wm outrigger) — ceded decreased by 36.1% year-over-year, from $89.7M to $57.3M.
What is the long-term trend for White Mountains Insurance Group's P&C insurance and reinsurance (ark/wm outrigger) — ceded?
Over 3 years (2021 to 2025), White Mountains Insurance Group's P&C insurance and reinsurance (ark/wm outrigger) — ceded has grown at a 28.9% compound annual growth rate (CAGR), from $128.1M to $274.4M.
What does P&C insurance and reinsurance (ark/wm outrigger) — ceded mean?
Reflects the portion of premiums written that is transferred to other insurance or reinsurance companies to mitigate risk exposure. Monitoring this helps investors understand the segment's risk retention strategy and the cost of transferring volatility to third-party reinsurers.