Business Context and Reporting Period
Company: White Mountains Insurance Group, Ltd.
Filing Type: Form 8-K (Current Report)
Report Date: May 6, 2026
Reporting Period: Three months ended March 31, 2026
Context: The filing announces the release of quarterly results via a press release (Exhibit 99.1) and details the use of specific non-GAAP financial measures to evaluate the performance of its subsidiaries, Kudu and Distinguished, as well as its investment portfolio.
Key Financial Metrics
The filing text provides specific portfolio return metrics but does not contain absolute values for revenue, profit, cash flow, debt, or liquidity. These figures are referenced as being contained within the attached press release (Exhibit 99.1).
Portfolio Returns (Three Months Ended March 31, 2026)
| Metric | 2026 Value | 2025 Value |
|---|---|---|
| Total Consolidated Portfolio Return | 0.2% | 1.7% |
| Total Consolidated Portfolio Return (Excluding MediaAlpha) | 1.0% | 2.3% |
| Total Equity Portfolio Return | (0.3)% | N/A |
| Total Equity Portfolio Return (Excluding MediaAlpha) | 1.6% | N/A |
Note: The filing text does not provide clear values for revenue, net income, cash flow, debt levels, or liquidity ratios.
Material Changes Versus Prior Period
- Consolidated Portfolio Return: Decreased from 1.7% in the prior year period to 0.2% in the current period.
- Excluding MediaAlpha: The consolidated portfolio return excluding MediaAlpha decreased from 2.3% to 1.0%.
- Equity Portfolio: The total equity portfolio return was negative (0.3)% for the current period, whereas the return excluding MediaAlpha was positive at 1.6%.
Guidance, Outlook, and Non-GAAP Measures
The filing does not provide forward-looking guidance or management commentary on future outlook. Instead, it focuses on defining and reconciling ten specific non-GAAP financial measures used to assess performance:
- Kudu Metrics: EBITDA, Adjusted EBITDA, Annualized Adjusted EBITDA, Annualized Revenue, and Cash Revenue Yield. Adjustments include removing unrealized investment gains/losses on participation contracts, non-cash equity compensation, and transaction expenses.
- Distinguished Metrics: ScaleCo Net Income, ScaleCo EBITDA, and ScaleCo Adjusted EBITDA. These exclude the "GrowthCo" vertical (start-up programs) and adjust for non-cash equity compensation and restructuring expenses.
- Portfolio Metrics: Returns excluding the impact of the MediaAlpha investment to show underlying portfolio performance.
Investor Verification Checklist
- Review Exhibit 99.1: Verify absolute revenue, net income, and cash flow figures which are not present in the 8-K text.
- MediaAlpha Impact: Confirm the specific contribution of MediaAlpha to the negative equity portfolio return and the variance in consolidated returns.
- Non-GAAP Reconciliations: Examine pages 14 and 17 of the attached press release for the detailed reconciliation of GAAP to non-GAAP measures for Kudu and Distinguished.
- Debt and Liquidity: Check the full press release for debt covenants, liquidity positions, and capital allocation plans, as these are not detailed in the 8-K summary.