10-Q: Hamilton Group Reports Strong Q3 2025 Earnings

Hamilton Insurance Group, Ltd. reported significant growth in gross premiums written and net income for the third quarter and first nine months of 2025, driven by strong underwriting and investment performance.

Summary

• Gross premiums written increased by 26.3% to $698.8 million for the three months ended September 30, 2025, compared to $553.4 million in the prior year period.
• For the nine months ended September 30, 2025, gross premiums written rose by 20.0% to $2.25 billion, up from $1.88 billion in the same period of 2024.
• Net income attributable to common shareholders surged by 74.1% to $136.2 million for the three months ended September 30, 2025, compared to $78.3 million in the prior year period.
• For the nine months ended September 30, 2025, net income attributable to common shareholders increased by 10.4% to $404.5 million, from $366.5 million in the same period of 2024.
• The combined ratio improved to 87.8% for the three months ended September 30, 2025, down from 93.6% in the prior year period.
• The combined ratio for the nine months ended September 30, 2025, increased to 95.2%, compared to 89.9% in the same period of 2024.
• Total net realized and unrealized gains on investments and net investment income increased to $137.9 million for the three months ended September 30, 2025, from $65.6 million in the prior year period.
• For the nine months ended September 30, 2025, total net realized and unrealized gains on investments and net investment income grew to $634.7 million, from $498.5 million in the same period of 2024.
• The TS Hamilton Fund produced returns, net of investment management fees and performance incentive allocations, of 2.6% for the three months ended September 30, 2025, compared to -0.6% in the prior year period.
• For the nine months ended September 30, 2025, the TS Hamilton Fund generated returns of 13.0%, up from 12.2% in the same period of 2024.
• Book value per common share increased to $27.06 at September 30, 2025, an increase of 17.9% from $22.95 at December 31, 2024.
• Tangible book value per common share increased to $26.16 at September 30, 2025, an increase of 18.7% from $22.03 at December 31, 2024.
• Catastrophe losses for the nine months ended September 30, 2025, were $152.0 million, primarily driven by California wildfires ($159.7 million) and severe convective storms ($9.9 million), partially offset by favorable prior year development of $17.6 million.

Sentiment

Score: 7

Explanation: The company demonstrated strong premium growth and robust investment performance, leading to significant net income increases for the quarter. While the nine-month combined ratio was impacted by higher catastrophe losses, the underlying underwriting improvements in Q3 and strong capital position are positive indicators. The affirmed financial strength ratings further support a generally positive outlook, tempered by the inherent volatility of the insurance business and specific large loss events.

Positives

• Gross premiums written increased significantly by 26.3% for Q3 2025 and 20.0% for the nine months ended September 30, 2025, demonstrating strong business growth.
• Net income attributable to common shareholders saw substantial growth, increasing by 74.1% for Q3 2025 and 10.4% for the nine months ended September 30, 2025.
• The combined ratio improved to 87.8% for Q3 2025, indicating enhanced underwriting profitability compared to 93.6% in Q3 2024.
• Total net realized and unrealized gains on investments and net investment income increased by 110.3% for Q3 2025 and 27.3% for the nine months ended September 30, 2025, reflecting robust investment performance.
• The TS Hamilton Fund delivered strong returns of 2.6% for Q3 2025 (reversing a -0.6% loss in Q3 2024) and 13.0% for the nine months ended September 30, 2025 (up from 12.2% in 2024).
• Favorable prior year development on attritional losses contributed positively to results for both the three and nine months ended September 30, 2025.
• Book value per common share and tangible book value per common share increased by 17.9% and 18.7% respectively since December 31, 2024, indicating value creation for shareholders.
• The company remains in compliance with all covenants related to its debt and credit facilities.
• Financial strength ratings were affirmed as 'A' (Excellent) by A.M. Best for Hamilton Re and HIDAC, 'A-' (Excellent) for Hamilton Select, 'A-' by Fitch for Hamilton Re and HIDAC, and 'A' by KBRA for Hamilton Re, all with 'Stable' outlooks, reinforcing market confidence.

Negatives

• The combined ratio for the nine months ended September 30, 2025, worsened to 95.2% from 89.9% in the prior year, primarily due to higher catastrophe losses and acquisition costs.
• Catastrophe losses for the nine months ended September 30, 2025, were substantial at $152.0 million, driven by California wildfires ($159.7 million) and severe convective storms ($9.9 million).
• The attritional loss ratio current year increased in the Bermuda segment for Q3 2025 (55.6% vs 51.0%) and for the nine months 2025 (53.9% vs 53.1%), impacted by specific large losses and a change in business mix.
• Third-party fee income in the International segment decreased by $2.0 million for Q3 2025 and $1.3 million for the nine months 2025, due to the novation of a third-party syndicate management.
• The Bank of Montreal letter of credit facility, with a capacity of $50 million, expired on August 13, 2025, and was not renewed.

Risks

• Challenges from competitors, including those arising from industry consolidation and technological advancements.
• Unpredictable catastrophic events, global climate change, and/or emerging claim and coverage issues.
• Ability to ensure reserves are adequate to cover actual losses and to accurately evaluate underwriting risk, models, assessments, and/or pricing of risks.
• Ability to defend intellectual property rights, comply with license and technology agreements, or license rights to technology or data on reasonable terms.
• Impact of risks associated with human error, fraud, model uncertainties, cybersecurity threats such as cyber-attacks and security breaches, and reliance on third-party IT systems that can fail or need replacement.
• Ability to secure necessary credit facilities, or additional types of credit, on favorable terms or at all.
• Limited financial and operating flexibility due to the covenants in existing credit facilities.
• Exposure to the credit risk of the intermediaries on which the company relies.
• Failure to pay claims in a timely manner or the need to sell investments under unfavorable conditions to meet liquidity requirements.
• Downgrades, potential downgrades, or other negative actions by rating agencies.
• Ability to manage risks associated with macroeconomic conditions resulting from geopolitical and global economic events, including current or anticipated military conflicts, public health crises, terrorism, sanctions, rising energy prices, inflation and interest rates, and other global events, including the instability from recent international trade policies.
• The cyclical nature of the insurance and reinsurance business, which may cause the pricing and terms for products to decline.
• Results of operations potentially fluctuating significantly from period to period and not being indicative of long-term prospects.
• Ability to execute strategy and to modify business and strategic plan without shareholder approval.
• Dependence on key executives, including the potential loss of Bermudian personnel, and ability to attract qualified personnel, particularly in very competitive hiring conditions.
• Foreign operational risk such as foreign currency risk and political risk.
• Ability to identify and execute opportunities for growth, to complete transactions as planned, or realize the anticipated benefits of any acquisitions or other investments.
• Management of alternative reinsurance platforms on behalf of investors in entities managed by Hamilton Strategic Partnerships.
• Inability to control the allocations to, and/or the performance of, the Two Sigma Hamilton Fund, LLC (TS Hamilton Fund) investment portfolio and limited ability to withdraw capital accounts.
• Impact of risks from conflicts of interest among Two Sigma Principals, LLC, Two Sigma Investments, LP, and their respective affiliates affecting the business.
• Historical performance of Two Sigma not being indicative of the future results of the TS Hamilton Fund's investment portfolio and/or future results.
• Impacts of risks associated with the investment strategy, including that such risks are greater than those faced by competitors.
• Potentially becoming subject to U.S. federal income taxation, Bermuda taxation, or other taxes as a result of a change of tax laws or otherwise.
• Potential characterization of the company and/or any of its subsidiaries as a passive foreign investment company, or PFIC.
• Potentially becoming subject to U.S. withholding and information reporting requirements under the U.S. Foreign Account Tax Compliance Act, or FATCA, provisions.
• Ability to compete effectively in a heavily regulated industry in light of new domestic or international laws and regulations, including accounting practices, and the impact of new interpretations of current laws and regulations.
• Suspension or revocation of subsidiaries' insurance licenses.
• Significant legal, governmental, or regulatory proceedings.
• Insurance and reinsurance subsidiaries' ability to pay dividends and other distributions to the company being restricted by law.
• Challenges related to compliance with the applicable laws, rules, and regulations related to being a public company, which is expensive and time consuming.
• Limited ability of investors to influence corporate matters due to the multiple class common share structure and the voting provisions of the Bye-laws.
• The risk that anti-takeover provisions in the Bye-laws could discourage, delay, or prevent a change in control, even if the change in control would be beneficial to shareholders.
• Difficulties investors may face in protecting their interests and serving process or enforcing judgments against the company in the United States.
• Current strategy does not include paying cash dividends on Class B common shares in the near term.
• Inflationary pressures may result in higher losses and loss adjustment expenses, negatively impact the performance of the fixed income security investment portfolio, or increase operating expenses.
• Net reserves for losses and loss adjustment expenses related to the California wildfires ($67.9 million), Baltimore Bridge collapse ($20.5 million), and Ukraine conflict ($64.8 million) are subject to significant uncertainty, and actual ultimate losses may differ materially from current estimates.

Future Outlook

The company intends to continue growing its diverse book of business by responding to changing market conditions, prudently managing its capital, and driving sustainable shareholder returns. It anticipates continued growth opportunities in both the insurance and reinsurance markets, particularly in the U.S. Excess & Surplus (E&S) market. The company plans to optimize its investment portfolio through balanced asset allocation and expects to be exempt from the Bermuda corporate income tax until January 1, 2030.

Management Comments

• "We intend to continue growing our diverse book of business by responding to changing market conditions, prudently managing our capital, and driving sustainable shareholder returns."
• "We see continued growth opportunities in both the insurance and reinsurance markets in which we operate and intend to pursue disciplined growth across our underwriting platforms."
• "We believe the access our three underwriting platforms have to U.S. E&S insurance business will allow us to build a robust and diversified book of business and achieve our profitable growth objectives throughout various market cycles."
• "We have observed a slight change in the supply/demand dynamics in some reinsurance classes this year, particularly property and some specialty classes, which is creating flatter market conditions. However, we believe pricing is still attractive in most areas."
• "Strong underlying market conditions persist in casualty classes, due to continued uncertainty around social inflation."
• "We will continue to optimize our investment portfolio through a balanced allocation of invested assets and maintain the flexibility to adjust this allocation as needed."
• "We believe our strategy of disciplined underwriting growth, balanced with our investment platform, will drive our ability to create shareholder value."
• "Management believes that its significant cash flows from operations and high quality liquid investment portfolio will provide sufficient liquidity for the foreseeable future."
• "The Company believes that annual positive cash flows from operating activities will be sufficient to cover claims payments, absent a series of additional large catastrophic losses."
• "Management believes that the Company holds sufficient capital to allow it to take advantage of market opportunities and to maintain its financial strength ratings and comply with various local statutory regulations."

Industry Context

The U.S. Excess & Surplus (E&S) market continues to benefit from a strong rate environment and increased submissions, as business shifts from the admitted market due to its flexibility in covering unique and hard-to-place risks. While reinsurance business previously experienced a supply/demand imbalance creating strong market conditions, some property and specialty classes are now seeing flatter market conditions, though pricing remains attractive. Casualty classes continue to exhibit strong underlying market conditions, driven by ongoing uncertainty surrounding social inflation.

Comparison to Industry Standards

• Syndicate 4000, managed by Hamilton Managing Agency Limited, has consistently ranked among the most profitable and least volatile syndicates at Lloyd's over the last 10 years.
• The company's unique investment management relationship with Two Sigma, through the TS Hamilton Fund, aims to provide low-correlated absolute returns, differentiating its investment strategy from traditional insurance industry benchmarks.

Related Party Transactions

• Two Sigma Investments, LP ("Two Sigma"), a related party Delaware limited partnership, serves as the investment manager for TS Hamilton Fund.
• TS Hamilton Fund incurs a management fee of 2.5% of the non-managing members' equity in the net asset value per annum, payable to Two Sigma.
• Two Sigma Principals, LLC (the "Managing Member"), a related party, is entitled to an incentive allocation equal to 30% of TS Hamilton Fund's net profits, subject to high watermark provisions.
• The Managing Member is also entitled to an additional incentive allocation of 25% of Excess Profits (net profits over 10%) as of the end of each fiscal year.

Stakeholder Impact

• Shareholders: Benefited from increased book value and tangible book value per share, and ongoing share repurchase programs. However, the company's current strategy does not include paying cash dividends on Class B common shares in the near term.
• Employees: The company continued to build out underwriting teams, leading to an increased headcount and an increase in certain variable performance-based compensation costs.
• Customers/Reinsureds: The company's principal operating subsidiaries maintained strong financial strength ratings from A.M. Best, Fitch, and KBRA, indicating a robust capacity to meet insurance and reinsurance obligations.
• Creditors: The company was in compliance with all financial and reporting covenants related to its term loan and credit facilities as of September 30, 2025.

Next Steps

• Continue to grow the diverse book of business by responding to changing market conditions.
• Prudently manage capital and drive sustainable shareholder returns.
• Pursue disciplined growth across underwriting platforms, particularly in the U.S. E&S market.
• Optimize the investment portfolio through balanced asset allocation.
• Monitor assumptions for net reserves for losses and loss adjustment expenses as new information becomes available.
• Repurchase common shares under the newly authorized $150 million program.

Key Dates

Recommendation

While Hamilton Group demonstrates strong premium growth and impressive investment returns, leading to a significant increase in Q3 net income and an improved Q3 combined ratio, the increase in the nine-month combined ratio due to substantial catastrophe losses, particularly the California wildfires, highlights ongoing exposure to large-scale events. The share repurchase program is accretive to shareholder value, and the strong financial strength ratings provide a solid foundation. However, the inherent volatility of catastrophe losses and the absence of near-term cash dividends on Class B shares suggest a 'hold' position. Investors should monitor the sustainability of underwriting improvements and the impact of future catastrophe events before considering a stronger recommendation.

Keywords

Insurance, Reinsurance, Specialty Insurance, Property Insurance, Casualty Insurance, SEC Filing, 10-Q, Financial Results, Underwriting, Investment Management, Two Sigma, Bermuda, Lloyd's, E&S Market, Catastrophe Losses, Share Repurchase, Financial Strength Ratings, Hamilton Insurance Group