White Mountains Insurance Group, Ltd. reported significant financial results for the second quarter and first half of 2026, showcasing a total revenue of $844.6 million for the three months ended June 30, 2026, an increase from $689.2 million in the same period of 2025. For the first six months of 2026, total revenues reached $1.36 billion, compared to $1.27 billion in the prior year. The company’s net income attributable to common shareholders was $199.5 million for the second quarter, up from $122.9 million in the same quarter of 2025, and $172.3 million for the first half of 2026, compared to $156.8 million in the first half of 2025.
The company experienced notable changes in its financial performance, with a comprehensive income of $199 million for the second quarter of 2026, compared to $124 million in the same quarter of 2025. The increase in net realized and unrealized investment gains was a key driver, totaling $151 million in the second quarter of 2026, compared to $87 million in the same period of 2025. The Ark/WM Outrigger segment reported a combined ratio of 84% for both the second quarter and first half of 2026, reflecting improved operational efficiency compared to 84% and 90% in the same periods of 2025.
Strategically, White Mountains has made significant acquisitions, including the purchase of Basesix, a low voltage contracting platform, and Hawkeye Electric, a specialty electrical contracting service provider, through its WTM Partners segment. These acquisitions, completed in April and May 2026, respectively, have been presented as a separate reportable segment starting in the second quarter of 2026. The company also repurchased and retired 91,194 common shares for $191 million during the second quarter, reflecting its commitment to returning value to shareholders.
Operationally, White Mountains reported a total asset increase to $13.77 billion as of June 30, 2026, up from $12.31 billion at the end of 2025. The company’s total liabilities also rose to $7.51 billion from $6.05 billion, driven by increased reserves and acquisition-related debt. The Ark/WM Outrigger segment reported gross written premiums of $778 million in the second quarter of 2026, down from $815 million in the same quarter of 2025, primarily due to softening market conditions in property lines.
Looking ahead, White Mountains anticipates continued growth driven by its strategic acquisitions and operational improvements. The company expects to leverage its diversified portfolio and strong investment returns to enhance shareholder value. The outlook remains cautiously optimistic, with management noting potential challenges from market conditions and geopolitical factors that could impact future performance.
About WHITE MOUNTAINS INSURANCE GROUP LTD
White Mountains Insurance Group, Ltd. is a Bermuda-based holding company engaged in acquiring and managing insurance, reinsurance, and financial services businesses. Its core segments include property and casualty insurance and reinsurance, municipal bond reinsurance, and capital solutions for asset management firms. The company operates globally, offering specialized insurance products, underwriting services, and reinsurance protection with a focus on risk management, profitability, and strategic asset disposal.
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