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White Mountains Insurance (WTM) Non Operating Investment Income (2016 - 2026)

White Mountains Insurance has reported Non Operating Investment Income over the past 17 years, most recently at $110.3 million for Q4 2025.

  • For Q4 2025, Non Operating Investment Income rose 153.67% year-over-year to $110.3 million; the TTM value through Dec 2025 reached $361.5 million, up 95.51%, while the annual FY2025 figure was $361.5 million, 95.51% up from the prior year.
  • Non Operating Investment Income for Q4 2025 was $110.3 million at White Mountains Insurance, up from $83.9 million in the prior quarter.
  • Over five years, Non Operating Investment Income peaked at $283.0 million in Q4 2023 and troughed at -$396.8 million in Q3 2021.
  • A 5-year average of $36.7 million and a median of $63.7 million in 2022 define the central range for Non Operating Investment Income.
  • Biggest five-year swings in Non Operating Investment Income: surged 953.72% in 2023 and later tumbled 628.07% in 2024.
  • Year by year, Non Operating Investment Income stood at $79.4 million in 2021, then decreased by 19.77% to $63.7 million in 2022, then soared by 344.27% to $283.0 million in 2023, then crashed by 172.61% to -$205.5 million in 2024, then skyrocketed by 153.67% to $110.3 million in 2025.
  • Business Quant data shows Non Operating Investment Income for WTM at $110.3 million in Q4 2025, $83.9 million in Q3 2025, and $117.3 million in Q2 2025.