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

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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:PolicyholderBenefitsAndClaimsIncurredGross.

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) — gross?
White Mountains Insurance Group (WTM) reported P&C insurance and reinsurance (ark/wm outrigger) — gross of $264M in Q1 2026.
How has White Mountains Insurance Group's P&C insurance and reinsurance (ark/wm outrigger) — gross changed year-over-year?
White Mountains Insurance Group's P&C insurance and reinsurance (ark/wm outrigger) — gross decreased by 18.3% year-over-year, from $323.2M to $264M.
What is the long-term trend for White Mountains Insurance Group's P&C insurance and reinsurance (ark/wm outrigger) — gross?
Over 3 years (2021 to 2025), White Mountains Insurance Group's P&C insurance and reinsurance (ark/wm outrigger) — gross has grown at a 36.2% compound annual growth rate (CAGR), from $442.9M to $1.12B.
What does P&C insurance and reinsurance (ark/wm outrigger) — gross mean?
Represents the total premiums written by the insurance and reinsurance segment before accounting for any reinsurance ceded to other carriers. This figure reflects the full volume of business underwritten by the segment and serves as a primary indicator of market presence and underwriting activity.