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White Mountains Insurance Group WTM WTM Partners — Interest income from BAM Surplus Notes

Other segment segments

Specialty Insurance Distribution (Distinguished)
$800K
Asset Management (Kudu)
$200K-33.3%
Distinguished, net
$200K
P&C Insurance Distribution (Bamboo)
$0-100%

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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$5.23B+14.0%
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 us-gaap:OtherOperatingIncome.

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
Millions / Three Months Ended June 30, 2026Ark/WM Outrigger / ArkArk/WM Outrigger / WM Outrigger ReKuduHG GlobalDistinguishedWTM PartnersOther OperationsTotal
Net investment income (2)26.91.119.07.8.615.570.9
Net realized and unrealized investment gains (losses) (2)30.549.7(2.0)72.4150.6
Net realized and unrealized investment gains (losses) from investment in MediaAlpha58.458.4
Interest income from BAM Surplus Notes6.96.9
Commission and fee revenues (1)56.63.860.4
Product and services revenues92.814.7107.5
Other revenues (1) (2)4.9.2.25.3
Total revenues437.71.968.920.457.492.8165.5844.6

Item 1. Financial Statements (Unaudited)

FAQ

What is White Mountains Insurance Group's WTM partners — interest income from BAM surplus notes?
White Mountains Insurance Group (WTM) reported WTM partners — interest income from BAM surplus notes of $0 in Q2 2026.
What does WTM partners — interest income from BAM surplus notes mean?
This represents the specific interest revenue earned by the WTM Partners segment from holding surplus notes issued by Build America Mutual (BAM). It highlights a specialized stream of investment income tied to a specific financial instrument. This metric is useful for evaluating the segment's exposure and return profile related to its strategic investment in the municipal bond insurance sector.

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