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White Mountains Insurance (WTM) Tax Rate (2016 - 2025)

White Mountains Insurance has reported Tax Rate over the past 17 years, most recently at 9.69% for Q4 2025.

  • Quarterly results put Tax Rate at 9.69% for Q4 2025, up 1275.0% from a year ago — trailing twelve months through Dec 2025 was 9.55% (down 74.0% YoY), and the annual figure for FY2025 was 9.55%, down 74.0%.
  • Tax Rate for Q4 2025 was 9.69% at White Mountains Insurance, up from 9.56% in the prior quarter.
  • Over the last five years, Tax Rate for WTM hit a ceiling of 52.33% in Q4 2022 and a floor of 25.16% in Q4 2021.
  • Median Tax Rate over the past 5 years was 6.86% (2022), compared with a mean of 7.61%.
  • Biggest five-year swings in Tax Rate: surged 7749bps in 2022 and later crashed -6297bps in 2023.
  • White Mountains Insurance's Tax Rate stood at 25.16% in 2021, then skyrocketed by 308bps to 52.33% in 2022, then plummeted by -120bps to 10.65% in 2023, then surged by 71bps to 3.07% in 2024, then surged by 416bps to 9.69% in 2025.
  • The last three reported values for Tax Rate were 9.69% (Q4 2025), 9.56% (Q3 2025), and 7.31% (Q2 2025) per Business Quant data.