WHITE MOUNTAINS INSURANCE GROUP, LTD (WTM) Spending and interest coverage
- R&D / revenue · 12 months: Value (m); Formula and calculation Research and development expense / revenue. Period ending 2026-06-30..
- Stock-based compensation / revenue · 12 months: Value 0.50%; Formula and calculation Share-based compensation / revenue. Period ending 2026-06-30..
- Interest coverage · 12 months: Value (m); Formula and calculation Operating income ÷ reported interest expense..
Spending and interest coverage
Overview →Financial period ending 2026-06-30; current quote (m). Amounts retain their stated periods and units.
| Metric | Value | Formula and calculation |
|---|---|---|
| R&D / revenue · 12 months | (m) | Research and development expense / revenue. Period ending 2026-06-30. Calculation unavailable: missing inputs remain (m). |
| Stock-based compensation / revenue · 12 months | 0.50% | Share-based compensation / revenue. Period ending 2026-06-30. $19.30M ÷ $3.83B × 100 ≈ 0.50% |
| Interest coverage · 12 months | (m) | Operating income ÷ reported interest expense. Calculation unavailable: missing inputs remain (m). |
Calculation inputs
| Input | Amount with unit | Raw financial data |
|---|---|---|
| Research and development spending | (m) | |
| Revenue | 3.83B USD | |
| Stock-based compensation | 19.30M USD | Share-based Payment Arrangement, Noncash Expense |
| Operating income | (m) | |
| Interest expense · reported / estimated | 81.10M USD | Interest Expense · Estimated expense assumptions |
Latest interest expense basis: Reported. Estimated values carry *; expand each history row’s basis for its dated balances and rate assumptions.
Calculated history
Changes compare with the next older row (previous quarter), unless explicitly labeled otherwise. Rolling 12-month growth compares two successive quarter-end rolling totals; it is not year-over-year growth.
| Period ending | Research and development spending (USD) | Revenue (USD) | Stock-based compensation (USD) | Operating income (USD) | Interest expense · reported / estimated (USD) | R&D / revenue | SBC / revenue | Interest coverage | Interest expense basis |
|---|---|---|---|---|---|---|---|---|---|
| 2026-06-30 | (m) | $3.83B | $19.30M | (m) | $81.10M | (m) | 0.50% | (m) | Reported |
| 2026-03-31 | (m) | $3.67B | $18.80M | (m) | $79.90M | (m) | 0.51% | (m) | Reported |
| 2025-12-31 | (m) | $3.73B | $18.50M | (m) | $78.40M | (m) | 0.50% | (m) | Reported |
| 2025-09-30 | (m) | $2.49B | $18.10M | (m) | $70.40M | (m) | 0.73% | (m) | Reported |
| 2025-06-30 | (m) | $2.46B | $17.50M | (m) | $67.20M | (m) | 0.71% | (m) | Reported |
| 2025-03-31 | (m) | $2.17B | $16.90M | (m) | $63.40M | (m) | 0.78% | (m) | Reported |
| 2024-12-31 | (m) | $2.24B | $16.30M | (m) | $60.80M | (m) | 0.73% | (m) | Reported |
| 2024-09-30 | (m) | $2.62B | $15.90M | (m) | $64.50M | (m) | 0.61% | (m) | Reported |
| 2024-06-30 | (m) | $2.30B | $15.60M | (m) | $63.50M | (m) | 0.68% | (m) | Reported |
| 2024-03-31 | (m) | $2.28B | $15.40M | (m) | $62.90M | (m) | 0.67% | (m) | Reported |
| 2023-12-31 | (m) | $2.17B | $15.30M | (m) | $62.70M | (m) | 0.71% | (m) | Reported |
| 2023-09-30 | (m) | $1.87B | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2023-06-30 | (m) | $1.73B | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2023-03-31 | (m) | $1.43B | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2022-12-31 | (m) | $1.16B | $14.00M | (m) | $40.30M | (m) | 1.21% | (m) | Reported |
| 2022-09-30 | (m) | $981.30M | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2021-12-31 | (m) | $614.40M | $14.70M | (m) | $20.50M | (m) | 2.39% | (m) | Reported |
(m) means missing inputs. Historical market-based ratios use the saved close on or immediately before period ending and that period’s reported shares; current quotes are not substituted. Five-year projections repeat historical CAGR, not analyst forecasts.
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