What is White Mountains Insurance Group's other investments?

White Mountains Insurance Group (WTM) reported other investments of $3.25B in Q1 2026.

How has White Mountains Insurance Group's other investments changed year-over-year?

White Mountains Insurance Group's other investments increased by 42.2% year-over-year, from $2.29B to $3.25B.

What is the long-term trend for White Mountains Insurance Group's other investments?

Over 5 years (2020 to 2025), White Mountains Insurance Group's other investments has grown at a 30.3% compound annual growth rate (CAGR), from $786.8M to $2.96B.

White Mountains Insurance Group WTM Other Investments

Other Investments at other companies

Arch Capital GroupACGL

$3.33B+15.3%

American International GroupAIG

$1.63B-11.1%

Old Republic InternationalORI

$18.2M+58.3%

Selective Insurance GroupSIGI

$96.92M-1.5%

W.R. BerkleyWRB

$1.16B+40.1%

Axis Capital HoldersAXS

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Segments

By segment

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Asset Management (Kudu)$1.36B+20.7%

P&C Insurance and Reinsurance (Ark/WM Outrigger)$737.7M+25.7%

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

See full

Total debt$834.8M+23.5%

Total equity$5.4B+19.2%

Total assets$13.2B+19.7%

Cash flow

See full

Operating cash flow$30.5M+176%

Valuation

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Market cap$4.99B+9.8%

Profitability

See full

Gross margin94.9%-3.7pp

Net margin28.4%—

Returns & leverage

See full

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:OtherLongTermInvestments.

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 other investments?: White Mountains Insurance Group (WTM) reported other investments of $3.25B in Q1 2026.
How has White Mountains Insurance Group's other investments changed year-over-year?: White Mountains Insurance Group's other investments increased by 42.2% year-over-year, from $2.29B to $3.25B.
What is the long-term trend for White Mountains Insurance Group's other investments?: Over 5 years (2020 to 2025), White Mountains Insurance Group's other investments has grown at a 30.3% compound annual growth rate (CAGR), from $786.8M to $2.96B.