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

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Other financials

Income statement

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Revenue$844.6M+22.5%
Gross profit$764.5M+18.2%
Net income$199.5M+62.3%

Balance sheet

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Total debt$932.5M+34.2%
Total equity$5.4B+16.0%
Total assets$13.8B+16.4%

Cash flow

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Operating cash flow-$55.5M-131%

Valuation

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Market cap$5.3B+15.6%
P/E4.7×
P/S1.4×-0.5×

Profitability

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Gross margin94.1%-3.2pp
Net margin29.3%

Returns & leverage

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Return on equity22.4%
Debt / equity0.2×0.0×

Where this comes from

Reported directly by White Mountains Insurance Group in its filing.

Tagged under the XBRL concept wtm:ReinsuranceRecoverablesIncludingReinsurancePremiumPaidNetOfCollateral.

The source filing: White Mountains Insurance Group’s 10-Q, filed August 6, 2026.

Filed
Aug 6, 2026, 8:50 AM EDT
Fiscal quarter
Q2 FY2026
Calendar quarter
Q2 2026
Accession
0001628280-26-053932
$ in Millions / A.M. Best Rating (1)As of June 30, 2026 / GrossAs of June 30, 2026 / CollateralAs of June 30, 2026 / NetAs of June 30, 2026 / % of Total
A+ or better$467.8$467.868.6%
A- to A202.6202.629.7
B++ or lower and not rated (2)56.645.311.31.7
Total$727.0$45.3$681.7100.0%

Item 1. Financial Statements (Unaudited)

FAQ

What is White Mountains Insurance Group's P&C insurance and reinsurance (ark/wm outrigger) — net?
White Mountains Insurance Group (WTM) reported P&C insurance and reinsurance (ark/wm outrigger) — net of $681.7M in Q2 2026.
How has White Mountains Insurance Group's P&C insurance and reinsurance (ark/wm outrigger) — net changed year-over-year?
White Mountains Insurance Group's P&C insurance and reinsurance (ark/wm outrigger) — net increased by 50.9% year-over-year, from $451.9M to $681.7M.
What does P&C insurance and reinsurance (ark/wm outrigger) — net mean?
Calculated as gross premiums written minus premiums ceded to other reinsurers, representing the actual risk retained by the segment. This is the core measure of the segment's net underwriting exposure and its primary revenue-generating capacity.

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