White Mountains Insurance (WTM) Tax Rate (2009 - 2026)

White Mountains Insurance's Tax Rate history runs 18 years deep, the most recent figure standing at 3.14% for Q1 2026.

• In Q1 2026, Tax Rate fell 1640.0% year-over-year to 3.14%; the TTM figure through Mar 2026 stood at 9.6% (down 1047.0% YoY), while the FY2025 annual figure was 9.55%, down 74.0% from the prior year.
• Tax Rate was 3.14% for Q1 2026 at White Mountains Insurance, down from 9.69% in the prior quarter.
• In the past five years, Tax Rate ranged from a high of 52.33% in Q4 2022 to a low of 18.73% in Q2 2024.
• Historically, Tax Rate has averaged 9.22% across 5 years, with a median of 6.88% in 2022.
• The sharpest annual moves came in 2022 and 2023: Tax Rate soared 7749 bps in 2022, then slumped 6297 bps in 2023.
• A 5-year view of Tax Rate shows it stood at 52.33% in 2022, then plunged by 120 bps to 10.65% in 2023, then jumped by 71 bps to 3.07% in 2024, then jumped by 416 bps to 9.69% in 2025, then tumbled by 132 bps to 3.14% in 2026.
• The last three Tax Rate figures came in at 3.14% (Q1 2026), 9.69% (Q4 2025), and 9.56% (Q3 2025), per Business Quant data.