Where does White Mountains Insurance Group's income statement data come from?

Every line is extracted from White Mountains Insurance Group's SEC filings (10-K and 10-Q) and tagged in XBRL. Switch between quarterly, annual, and trailing-twelve-month views, or open any line for its full history and peer comparisons.

	TTM Q1 '26	TTM Q4 '25	TTM Q3 '25	TTM Q2 '25	TTM Q1 '25
Total revenue	$3.68B+69.3%	$3.74B+66.8%	$2.49B-4.9%	$2.46B+7.2%	$2.17B-4.9%
Total cost of revenue	$187M+534%	$151.8M+413%	$112.6M+287%	$64.9M+120%	$29.5M-13.5%
Gross profit	$3.49B+62.9%	$3.58B+62.1%	$2.38B-8.2%	$2.4B+5.7%	$2.14B-4.8%
Gross margin	94.9%-3.7pp	95.9%-2.7pp	95.5%-3.4pp	97.4%-1.4pp	98.6%+0.1pp
General and administrative	$655.5M+42.2%	$606.6M+23.8%	$530.8M+5.3%	$475.9M-1.2%	$460.9M-0.2%
Interest expense	$79.9M+26.0%	$78.4M+28.9%	$70.4M+9.1%	$67.2M+5.8%	$63.4M+0.8%
Other income (expense), net	$268.1M+222%	$222.3M+162%	$183M+149%	$129.6M+77.8%	$83.3M+11.8%
Income before income taxes	$1.23B—	$1.33B—	——	——	——
Income tax expense	$118.1M+276%	$126.9M+289%	$43.3M+822%	$37.8M+467%	$31.4M+289%
Net income	$1.05B—	$1.11B—	——	——	——
Net margin	28.4%—	29.6%—	——	——	——

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Questions, answered.

Where does White Mountains Insurance Group's income statement data come from?: Every line is extracted from White Mountains Insurance Group's SEC filings (10-K and 10-Q) and tagged in XBRL. Switch between quarterly, annual, and trailing-twelve-month views, or open any line for its full history and peer comparisons.