White Mountains Insurance Group Hits New 52-Week High of $2,263.67

White Mountains Insurance Group has reached a significant milestone by hitting a new 52-week high of USD 2,263.67 on February 26, 2026. This achievement highlights the stock's notable performance within the insurance industry, particularly for a small-cap company with a market capitalization of USD 5,525 million. Over the past year, White Mountains Insurance Group has demonstrated a solid return of 28.7%, significantly outperforming the S&P 500, which recorded a return of 12.95% during the same period. The company's price-to-earnings ratio stands at 18.00, indicating its valuation relative to earnings, while its return on equity is a robust 21.38%. Despite a modest dividend yield of 0.05%, the stock's price-to-book ratio is 1.02, reflecting its market valuation compared to its book value. The stock's performance metrics suggest a dynamic presence in the market, marking a noteworthy achievement with this new high.