WHITE MOUNTAINS INSURANCE GROUP LTD (WTM): Results of Operations and Financial Condition
WHITE MOUNTAINS INSURANCE GROUP LTD (WTM) filed an SEC Form 8-K — Results of Operations and Financial Condition. EX-99.1 2 wtmq22026earningsrelease.htm EX-99.1 Document Exhibit 99.1 CONTACT: Rob Seelig (603) 640-2212 WHITE MOUNTAINS REPORTS SECOND QUARTER RESULTS HAMILTON, Bermuda (August 6, 2026) - White Mountains Insurance Group, Ltd. (NYSE: WTM) reported book value per share of $2,258 as
How this was made
The 30-second read
Why it matters
Traders can update valuation and risk assumptions using the disclosed book value per share growth, repurchase amount, segment combined ratios, and quantified Ark losses related to the war in Iran, alongside investment mark-to-market effects (including MediaAlpha).
Market read
Fresh Q2 underwriting and capital allocation details (book value growth, buybacks, combined ratios) plus quantified catastrophe/war losses and investment mark-to-market impacts can drive near-term repricing of WTM’s risk-adjusted earnings power.
What to watch
Ark’s gross written premium decline (down 5% in the quarter) and the reliance on favorable prior-year development could reverse, and MediaAlpha mark-to-market gains may not be repeatable.
Background
SEC Form 8-K (Item 2.02) with Exhibit 99.1 reporting White Mountains’ second quarter 2026 results and financial condition, including book value per share, segment performance, and capital actions.
Ticker impact
White Mountains reports Q2 results, including 4% book value per share growth to $2,258 and $191M share repurchases, plus segment combined ratios.
Near-term bias modestly positive as traders price in book value growth and manageable catastrophe exposure, while monitoring investment-mark-to-market volatility.
This is a primary earnings-style disclosure with multiple concrete figures (book value, combined ratios, repurchases, MediaAlpha mark-to-market gains, and Ark Iran losses). However, the excerpt lacks full income statement and guidance, limiting conviction on forward earnings power.
Market effects
Reinsurance and specialty insurers may see read-across from Ark’s 84% combined ratio and quantified catastrophe/war exposure, plus commentary on rate softening in property lines.
Catastrophe-loss discussion references Iran war exposure and prior California wildfire losses, relevant to global catastrophe risk pricing.
Investment portfolio performance and mark-to-market gains (including MediaAlpha) highlight sensitivity to broader credit/equity markets affecting global insurers.
Counterpoint
Book value growth can be boosted by investment mark-to-market gains and dividends; underwriting profitability may be less favorable if catastrophe or rate softening worsens.
Key entities
- companyWhite Mountains Insurance Group, Ltd.
Reports Q2 2026 results, book value per share of $2,258 (up 4% in the quarter), $191M share repurchases, and segment combined ratios including Ark at 84%.
- segmentArk/WM Outrigger
Reports combined ratio of 84% in Q2 2026 and discloses estimated Iran-war losses of $17M (net of reinsurance and reinstatement premiums).
- equity investmentMediaAlpha
White Mountains discloses MediaAlpha share price up 35% in the quarter, generating $58M of mark-to-market gains and $58M of unrealized investment gains in Q2.
