10-Q: Hamilton Group Reports Strong Premium Growth Amid Catastrophe Losses

Hamilton Insurance Group, Ltd. reported significant premium growth and increased investment income for the first half of 2025, though net income and underwriting profitability were impacted by substantial catastrophe losses.

Summary

• Gross premiums written increased by 17.4% to $1.56 billion for the six months ended June 30, 2025, compared to $1.33 billion in the prior year period.
• Net premiums earned grew by 25.6% to $1.01 billion for the six months ended June 30, 2025, up from $804.1 million in the same period last year.
• Net income attributable to common shareholders decreased by 6.9% to $268.3 million for the six months ended June 30, 2025, down from $288.3 million.
• The combined ratio worsened to 99.1% for the six months ended June 30, 2025, compared to 87.9% in the prior year, primarily due to higher catastrophe losses.
• Catastrophe losses for the six months ended June 30, 2025, totaled $169.6 million (current year), driven by California wildfires ($159.7 million) and severe convective storms ($9.9 million).
• Favorable prior year loss development of $34.7 million was recorded for the six months ended June 30, 2025, a significant improvement from an unfavorable development of $10.5 million in the prior year.
• Total net realized and unrealized gains on investments and net investment income increased by 14.7% to $496.8 million for the six months ended June 30, 2025.
• Book value per common share increased by 11.3% to $25.55 at June 30, 2025, from $22.95 at December 31, 2024.
• Tangible book value per common share increased by 11.9% to $24.65 at June 30, 2025, from $22.03 at December 31, 2024.
• The company repurchased 2.1 million Class B common shares for an aggregate cost of $45.3 million during the six months ended June 30, 2025.

Sentiment

Score: 5

Explanation: The sentiment is neutral to slightly negative. While the company demonstrated strong premium growth, increased investment income, and favorable prior year reserve development, these positives were significantly overshadowed by substantial current year catastrophe losses, leading to a higher combined ratio, reduced underwriting profitability, and a decrease in net income and ROACE compared to the prior year. The market conditions are mixed, and future tax implications add some uncertainty.

Positives

• Gross premiums written increased by 17.4% to $1.56 billion for the six months ended June 30, 2025, reflecting strong growth in casualty, property, and specialty insurance and reinsurance classes.
• Net premiums earned grew significantly by 25.6% to $1.01 billion for the six months ended June 30, 2025.
• The company reported favorable prior year loss development of $34.7 million for the six months ended June 30, 2025, indicating improved reserve adequacy for past periods.
• Total net realized and unrealized gains on investments and net investment income increased by 14.7% to $496.8 million, driven by positive investment returns on fixed maturities and short-term investments, and positive mark-to-market returns.
• Book value per common share increased by 11.3% to $25.55, and tangible book value per common share increased by 11.9% to $24.65, demonstrating value creation for shareholders.
• The company's share repurchase program is active, with $76.6 million remaining under the authorization as of June 30, 2025, which is accretive to book value.
• Financial strength ratings were affirmed by A.M. Best ('A' Excellent for Hamilton Re and HIDAC, 'A-' Excellent for Hamilton Select), Fitch ('A-' for Hamilton Re and HIDAC, 'BBB+' for Hamilton Group), and KBRA ('A' for Hamilton Re, 'BBB+' for Hamilton Group), all with stable outlooks.
• The company was in compliance with all covenants related to its debt and credit facilities as of June 30, 2025.

Negatives

• The combined ratio increased to 99.1% for the six months ended June 30, 2025, from 87.9% in the prior year, indicating a reduction in underwriting profitability.
• The loss and loss adjustment expense ratio significantly increased to 65.9% from 55.6% for the six months ended June 30, 2025, primarily due to substantial catastrophe losses.
• Net income attributable to common shareholders decreased by 6.9% to $268.3 million for the six months ended June 30, 2025.
• Diluted income per share attributable to common shareholders slightly decreased to $2.56 from $2.57 for the six months ended June 30, 2025.
• Return on average common shareholders' equity (ROACE) decreased to 11.0% from 13.4% for the six months ended June 30, 2025.
• Catastrophe losses for the current year were $169.6 million for the six months ended June 30, 2025, a significant increase from $0.0 million in the prior year, primarily due to California wildfires ($159.7 million) and severe convective storms ($9.9 million).
• Investment income from the TS Hamilton Fund (prior to non-controlling interest) decreased to $371.4 million for the six months ended June 30, 2025, from $408.0 million.
• Net foreign exchange losses increased to $7.0 million for the six months ended June 30, 2025, from $3.9 million in the prior year, driven by the weakening of the U.S. Dollar.
• Third-party fee income decreased by $4.6 million to $1.5 million for the Bermuda segment for the six months ended June 30, 2025.

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.
• Impact of risks associated with human error, fraud, model uncertainties, cybersecurity threats, and reliance on third-party IT systems.
• 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 military conflicts, public health crises, terrorism, sanctions, rising energy prices, inflation, and interest rates.
• 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.
• Dependence on key executives and ability to attract qualified personnel, particularly in competitive hiring conditions.
• Foreign operational risk such as foreign currency risk and political risk.
• Inability to control the allocations to, and/or the performance of, the Two Sigma Hamilton Fund (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.
• The historical performance of Two Sigma not being indicative of the future results of the TS Hamilton Fund's investment portfolio and/or of the company's future results.
• Potential for becoming subject to U.S. federal income taxation, Bermuda taxation, or other taxes as a result of a change of tax laws or otherwise, including the OECD Pillar 2 minimum tax.
• The potential characterization of the company and/or any of its subsidiaries as a passive foreign investment company (PFIC).
• Potential for becoming subject to U.S. withholding and information reporting requirements under the U.S. Foreign Account Tax Compliance Act (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.
• The suspension or revocation of subsidiaries' insurance licenses.
• Significant legal, governmental, or regulatory proceedings.
• Insurance and reinsurance subsidiaries' ability to pay dividends and other distributions being restricted by law.
• Challenges related to compliance with 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 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.
• Difficulties investors may face in protecting their interests and serving process or enforcing judgments against the company in the United States.
• The current strategy does not include paying cash dividends on Class B common shares in the near term.
• An inflationary economy may result in higher losses and loss adjustment expenses, negatively impact the performance of the fixed income security investment portfolio, or increase operating expenses.
• Specific inflationary pressures in the local economy in the wake of a catastrophe loss.
• Significant uncertainty in net reserves for losses and loss adjustment expenses related to California wildfires, the Baltimore Bridge collapse, and the ongoing Ukraine conflict, with actual ultimate losses potentially differing 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 capital, and driving sustainable shareholder returns. It aims to generate strong underwriting margins throughout all market cycles and sees continued growth opportunities in both insurance and reinsurance markets, particularly in the U.S. E&S market. While a slight change in supply/demand dynamics is observed in some property and specialty reinsurance classes, pricing is believed to remain attractive. Strong underlying market conditions are expected to persist in casualty classes due to social inflation. The company plans to optimize its investment portfolio through balanced allocation and maintain flexibility. It expects to be exempt from the Bermuda corporate income tax until January 1, 2030, but a top-up tax liability under OECD Pillar 2 may arise after 2026. Management believes annual positive cash flows from operating activities will be sufficient to cover claims payments, absent a series of additional large catastrophic losses, and expects most unrestricted cash and investments to be available within one to three business days.

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 harness multiple drivers to create shareholder value, including diverse underwriting operations supported by proprietary technology and a team of over 600 full-time employees, a strong balance sheet, and a unique investment management relationship with Two Sigma."
• "We seek to prudently manage our capital with the objective of effectively navigating different market conditions and generating strong underwriting margins throughout all market cycles."
• "Leveraging our disciplined underwriting approach, balance sheet strength and flexibility and real-time technology prowess, we can respond dynamically to capture opportunities as markets evolve."
• "One of our key strategic priorities is sustainable underwriting profitability across the business we write."
• "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 plan to 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."
• "While the Company believes, based on current facts and circumstances, that its estimates of net reserves for losses and loss adjustment expenses are adequate for losses and loss adjustment expenses that have been incurred at June 30, 2025, the Company will continue to monitor its assumptions as new information becomes available and will adjust its estimate of net reserves for losses and loss adjustment expenses as appropriate. Actual ultimate losses for these events may differ materially from the Company's current estimates."
• "Management believes that its significant cash flows from operations and high quality liquid investment portfolio will provide sufficient liquidity for the foreseeable future."
• "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 non-admitted insurers' flexibility in covering unique and hard-to-place risks. The reinsurance market, which previously experienced a supply/demand imbalance, is now seeing a slight change in dynamics in some property and specialty classes, leading to flatter market conditions, though pricing is still considered attractive. Strong underlying market conditions persist in casualty classes, driven by ongoing uncertainty around social inflation. Globally, increased economic inflation poses a risk of higher losses, negative impacts on investment portfolios, and increased operating expenses. The company is also navigating the implications of the OECD Pillar 2 worldwide minimum tax, which will affect Bermuda-domiciled entities.

Management Changes

Corporate Governance

Related Party Transactions

• TS Hamilton Fund engaged Two Sigma Investments, LP, a related party, as its investment manager.
• Management fees of $13.1 million (Q2 2025) and $25.5 million (H1 2025) were incurred by TS Hamilton Fund to Two Sigma Investments, LP.
• An aggregate incentive allocation of $80.4 million (Q2 2025) and $180.7 million (H1 2025) was entitled to Two Sigma Principals, LLC, the managing member of TS Hamilton Fund.
• Third-party fee income is generated by Ada Capital Management Limited (a wholly-owned insurance agent) for performance-based management fees for services provided to Ada Re, Ltd., an unconsolidated related party.

Stakeholder Impact

• **Shareholders**: Experienced an increase in book value and tangible book value per share, and benefit from an ongoing share repurchase program. However, net income and ROACE decreased due to catastrophe losses. No cash dividends are planned for Class B common shares in the near term, and voting rights are limited by the share structure and Bye-laws.
• **Employees**: The company increased headcount and incurred higher salary and compensation costs in its underwriting teams, indicating continued investment in human capital.
• **Customers/Policyholders**: The company maintains strong financial strength ratings from major agencies, providing assurance regarding its capacity to meet insurance and reinsurance obligations.
• **Creditors**: The company is in compliance with all financial and reporting covenants for its debt and credit facilities, indicating a stable credit profile.
• **Regulatory Authorities**: The company's insurance subsidiaries and branches exceeded minimum solvency, capital, and surplus requirements. Future regulatory changes, such as the Bermuda corporate income tax and OECD Pillar 2, could impact the company's tax liabilities.

Next Steps

• Continue to monitor assumptions for net reserves for losses and loss adjustment expenses as new information becomes available and adjust estimates as appropriate.
• Optimize the investment portfolio through balanced allocation of invested assets and maintain flexibility to adjust as needed.
• May seek to raise additional capital or return capital to shareholders through common share repurchases and cash dividends.
• May evaluate additional share or debt issuances given prevailing market conditions and capital management strategies.
• Management of the third-party syndicate was novated from Hamilton Managing Agency to another Lloyd's managing agency, ending the Company's management of third-party syndicates effective July 1, 2025.

Key Dates

Recommendation

The company exhibits strong top-line growth in gross and net premiums written, indicating robust market demand and effective underwriting expansion. Investment income also saw a healthy increase, and favorable prior year loss development is a positive sign for reserve adequacy. However, these strengths are significantly offset by a substantial increase in catastrophe losses, which led to a higher combined ratio (99.1%) and a decrease in net income and Return on Average Common Shareholders' Equity (ROACE). While the share repurchase program is accretive to book value, the immediate impact of catastrophe events on current period profitability warrants caution. The mixed market conditions in reinsurance and the ongoing macroeconomic uncertainties, including inflation and potential future tax liabilities, suggest a 'hold' position. Investors should monitor the company's ability to manage catastrophe exposures, maintain underwriting discipline, and sustain investment performance in a dynamic environment before making further commitments.

Keywords

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