White Mountains Insurance (WTM) Non Operating Investment Income (2009 - 2026)

White Mountains Insurance (WTM) has reported Non Operating Investment Income for 18 consecutive years, with -$54.4 million the latest figure, recorded in Q1 2026.

• In Q1 2026, Non Operating Investment Income fell 208.8% year-over-year to -$54.4 million; the TTM figure through Mar 2026 stood at $257.1 million (up 3074.07% YoY), while the FY2025 annual figure was $361.5 million, up 95.51% from the prior year.
• Non Operating Investment Income came in at -$54.4 million for Q1 2026 at White Mountains Insurance, down from $110.3 million in the prior quarter.
• The five-year high for Non Operating Investment Income was $283.0 million in Q4 2023, with the low at -$205.5 million in Q4 2024.
• Average Non Operating Investment Income over 5 years is $49.8 million, with a median of $50.0 million recorded in 2025.
• Across the five-year window, Non Operating Investment Income surged 953.72% in 2023 and slumped 628.07% in 2024, its largest moves.
• Year by year, Non Operating Investment Income stood at $63.7 million in 2022, then jumped by 344.27% to $283.0 million in 2023, then slumped by 172.61% to -$205.5 million in 2024, then surged by 153.67% to $110.3 million in 2025, then tumbled by 149.32% to -$54.4 million in 2026.
• According to Business Quant data, Non Operating Investment Income over the past three periods registered -$54.4 million, $110.3 million, and $83.9 million for Q1 2026, Q4 2025, and Q3 2025 respectively.