• Book Value Per Share: Increased by 7% in Q4 and 14% for the full year 2023, reaching $1,656.

• Adjusted Book Value Per Share: Grew by 7% in Q4 and 14% for the full year 2023, reaching $1,704.

• Comprehensive Income: Attributable to common shareholders was $288 million in Q4 and $511 million for the full year 2023.

• Gross Written Premiums: BAM produced $48 million in Q4, while Ark grew full-year gross written premiums by 31%.

• Investment Portfolio: Achieved a 6% increase in Q4 and an 11% increase for the full year.

• MediaAlpha Investment: Grew in value by $66 million in Q4 and $27 million for the full year.

• Undeployed Capital: Stands at approximately $500 million after strategic redeployments.

On February 7, 2024, White Mountains Insurance Group Ltd (NYSE:WTM) released its 8-K filing, showcasing a robust performance for the fourth quarter and the full year ended December 31, 2023. The company, known for its opportunistic and value-oriented acquisitions in the insurance and financial services sectors, reported significant growth in both book value per share and adjusted book value per share, which includes dividends.

Performance Highlights and Challenges

WTM's CEO, Manning Rountree, expressed satisfaction with the strong fourth quarter and overall positive year. The company's operating companies delivered solid results, and the investment portfolio saw excellent returns. However, the company's comprehensive income for the year, although strong at $511 million, was lower compared to the previous year's $788 million, partly due to the absence of a significant one-time gain from the sale of NSM in 2022.

The newly enacted 15% corporate income tax in Bermuda, effective January 1, 2025, poses a potential challenge. However, WTM expects to be exempt from this tax and the Pillar Two worldwide minimum tax until January 1, 2030, thanks to the economic transition adjustment provided in the legislation.

Financial Achievements and Industry Impact

WTM's financial achievements, particularly the growth in book value per share, are a testament to the company's strategic investments and operational efficiency. In the insurance industry, where trust and financial stability are paramount, these achievements underscore WTM's strength and reliability as a partner and insurer. The increase in gross written premiums by BAM and Ark's underwriting results reflect the company's ability to grow and manage risk effectively.

Key Financial Metrics

WTM's financial statements reveal a strong balance sheet with total assets of $8.39 billion as of December 31, 2023. The company's investment in MediaAlpha, a significant asset, increased in value, contributing to the overall financial health of the company. The total consolidated portfolio return, excluding MediaAlpha, was 4.8% in the fourth quarter and 11.4% for the year, indicating robust investment performance.