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

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

• In Q1 2026, EBITDA 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.
• EBITDA Margin for Q1 2026 stood at 18.55%, up from 19.15% in the prior quarter.
• The five-year high for EBITDA Margin was 32.72% in Q2 2022, with the low at 19.15% in Q4 2025.
• The 5-year median for EBITDA Margin is 14.29% (2023), against an average of 11.96%.
• The sharpest annual moves came in 2022 and 2025: EBITDA Margin soared 1897 bps in 2022, then slumped 3459 bps in 2025.
• White Mountains Insurance's EBITDA 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 EBITDA Margin at 18.55% in Q1 2026, 19.15% in Q4 2025, and 10.61% in Q3 2025.