White Mountains Insurance (WTM) Operating Margin (2009 - 2026)

White Mountains Insurance (WTM) posted quarterly Operating Margin of 18.55% for Q1 2026, up 346.0% year-over-year from 4.16% in Q1 2025, and up 196.88% quarter-over-quarter from 19.15% in Q4 2025.

White Mountains Insurance (WTM) Operating Margin (2009 - 2026) Analysis & Trends

White Mountains Insurance's Operating Margin history runs 18 years deep, the most recent figure standing at 18.55% for Q1 2026.

  • In Q1 2026, Operating Margin rose 346.0% year-over-year to 18.55%; the TTM figure through Mar 2026 stood at 26.96% (up 1508.0% YoY), while the FY2025 annual figure was 13.96%, up 380.0% from the prior year.
  • Operating Margin for Q1 2026 stood at 18.55%, up from 19.15% in the prior quarter.
  • The five-year high for Operating Margin was 32.72% in Q2 2022, with the low at 19.15% in Q4 2025.
  • The 5-year median for Operating Margin is 14.29% (2023), against an average of 11.96%.
  • The sharpest annual moves came in 2022 and 2025: Operating Margin soared 1897 bps in 2022, then slumped 3459 bps in 2025.
  • White Mountains Insurance's Operating Margin stood at 15.3% in 2022, then slumped by 43 bps to 8.7% in 2023, then jumped by 78 bps to 15.45% in 2024, then plunged by 224 bps to 19.15% in 2025, then soared by 197 bps to 18.55% in 2026.
  • Business Quant data shows WTM's Operating Margin at 18.55% in Q1 2026, 19.15% in Q4 2025, and 10.61% in Q3 2025.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Operating Margin (Qtr)
1 Chubb 135.03 Bn 121.26 Bn 9.13 Bn 11.13%
2 Progressive 124.11 Bn 119.11 Bn 9.04 Bn -43.89%
3 Travelers Companies 79.44 Bn 55.69 Bn 4.83 Bn 9.95%
4 Allstate 67.36 Bn 28.63 Bn 16.28 Bn 5.43%
5 Fairfax Financial Holdings 35.31 Bn 35.31 Bn - -
6 Cincinnati Financial 26.77 Bn 24.88 Bn 2.39 Bn 7.46%
7 Loews 23.31 Bn 1.01 Bn 2.57 Bn 16.08%
8 Markel 23.15 Bn 6.26 Bn 2.83 Bn 38.83%
9 Assurant 14.05 Bn 12.02 Bn 2.71 Bn 4.12%
10 White Mountains Insurance 5.15 Bn -6.26 Bn 668.90 Mn 8.39%

Historic Data

Download Data
DateValue
Jun 30, 2026 8.39%
Mar 31, 2026 18.55%
Dec 31, 2025 -19.15%
Sep 30, 2025 10.61%
Jun 30, 2025 16.36%
Mar 31, 2025 15.09%
Dec 31, 2024 15.45%
Sep 30, 2024 6.88%
Jun 30, 2024 16.69%
Mar 31, 2024 8.81%
Dec 31, 2023 8.70%
Sep 30, 2023 9.26%
Jun 30, 2023 14.29%
Mar 31, 2023 14.84%
Dec 31, 2022 15.30%
Sep 30, 2022 8.85%
Jun 30, 2022 32.72%
Mar 31, 2022 10.16%
Dec 31, 2021 8.14%
Sep 30, 2021 21.10%