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Asset Utilization RatioAssets AverageEBIT MarginEBITDA MarginEBT MarginEnterprise ValueEquity AverageEquity RatioFCF MarginFCF Payout RatioGross MarginInterest Coverage RatioInvested CapitalNet MarginOperating MarginReturn on AssetsReturn on EquityReturn on Invested CapitalReturn on SalesTimes Interest Earned

White Mountains Insurance (WTM) Operating Margin (2016 - 2025)

White Mountains Insurance (WTM) has 17 years of Operating Margin data on record, last reported at 60.7% in Q4 2025.

  • For Q4 2025, Operating Margin rose 4833.0% year-over-year to 60.7%; the TTM value through Dec 2025 reached 14.2%, up 76.0%, while the annual FY2025 figure was 172.34%, 15890.0% up from the prior year.
  • Operating Margin reached 60.7% in Q4 2025 per WTM's latest filing, up from 6.85% in the prior quarter.
  • Across five years, Operating Margin topped out at 60.7% in Q4 2025 and bottomed at 6.85% in Q3 2025.
  • Average Operating Margin over 5 years is 16.54%, with a median of 13.26% recorded in 2021.
  • Peak YoY movement for Operating Margin: tumbled -77425bps in 2021, then skyrocketed 4833bps in 2025.
  • A 5-year view of Operating Margin shows it stood at 12.12% in 2021, then increased by 4bps to 12.57% in 2022, then skyrocketed by 38bps to 17.31% in 2023, then dropped by -29bps to 12.37% in 2024, then soared by 391bps to 60.7% in 2025.
  • Per Business Quant database, its latest 3 readings for Operating Margin were 60.7% in Q4 2025, 6.85% in Q3 2025, and 16.36% in Q2 2025.