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Hamilton Insurance Group, Ltd.

For the period ended Jun 30, 2026. Filed Aug 7, 2026.

View on SEC.gov

About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Jun 30, 2026 · Filed Aug 7, 2026

HG$36.94-0.1%Stored close · as of Nov 6, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

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International Segment

For the Six Months Ended
June 30,
($ in thousands)20262025
Gross premiums written$862,982$714,757
Net premiums written$610,280$487,063
Net premiums earned$593,414$493,775
Third party fee income4,3678,164
Claims and Expenses
Losses and loss adjustment expenses338,129270,405
Acquisition costs161,491128,473
Other underwriting expenses82,05775,130
Underwriting income (loss)$16,104$27,931
Attritional losses - current year$314,405$256,660
Attritional losses - prior year development(9,897)(16,419)
Catastrophe losses - current year33,62130,641
Catastrophe losses - prior year development—(477)
Losses and loss adjustment expenses$338,129$270,405
Attritional loss ratio - current year53.0%52.0%
Attritional loss ratio - prior year development(1.7)%(3.3)%
Catastrophe loss ratio - current year5.7%6.2%
Catastrophe loss ratio - prior year development0.0%(0.1)%
Losses and loss adjustment expense ratio57.0%54.8%
Acquisition cost ratio27.2%26.0%
Other underwriting expense ratio13.1%13.6%
Combined ratio97.3%94.4%
For the Six Months Ended
June 30,
($ in thousands)20262025
Property$115,789$118,397
Casualty341,971276,003
Specialty405,222320,357
Total$862,982$714,757

Gross premiums written increased by $148.2 million, or 20.7%, from $714.8 million for the six months ended June 30, 2025 to $863.0 million for the six months ended June 30, 2026, primarily driven by growth in both new and existing business in casualty and specialty insurance classes.

For the Six Months Ended
June 30,
($ in thousands)20262025
Property$98,777$89,410
Casualty215,725179,801
Specialty278,912224,564
Total$593,414$493,775

Net premiums earned increased by $99.6 million, or 20.2%, from $493.8 million for the six months ended June 30, 2025 to $593.4 million for the six months ended June 30, 2026. The increase was primarily driven by growth in our specialty and casualty insurance and specialty reinsurance classes. Specialty insurance growth was primarily driven by accident & health, fine art & specie and marine & energy; specialty reinsurance growth was primarily driven by surety reinsurance; and casualty insurance growth was primarily driven by U.S. excess and surplus lines and professional lines.

For the Six Months Ended
June 30,
($ in thousands)20262025
Third party fee income$4,367$8,164

Third party fee income decreased by $3.8 million, from $8.2 million for the six months ended June 30, 2025 to $4.4 million for the six months ended June 30, 2026. The decrease was primarily due to a decrease in syndicate management fees. Effective July 1, 2025, the management of the third party syndicate was novated from Hamilton Managing Agency to another Lloyd's managing agency.

For the Six Months Ended
($ in thousands)Current year% of net premiums earnedPrior year development% of net premiums earnedLosses and loss adjustment expenses% of net premiums earned
Attritional losses$314,40553.0%$(9,897)(1.7)%$304,50851.3%
Catastrophe losses33,6215.7%—0.0%33,6215.7%
Total$348,02658.7%$(9,897)(1.7)%$338,12957.0%
Attritional losses$256,66052.0%$(16,419)(3.3)%$240,24148.7%
Catastrophe losses30,6416.2%(477)(0.1)%30,1646.1%
Total$287,30158.2%$(16,896)(3.4)%$270,40554.8%

Attritional loss ratio - current year for the six months ended June 30, 2026 was 53.0% compared to 52.0% for the six months ended June 30, 2025, an increase of 1.0 percentage points. The increase was primarily driven by a change in business mix, including more specialty insurance business.

Attritional loss ratio - prior year for the six months ended June 30, 2026 wasa favorable 1.7% compared to a favorable 3.3% for the six months ended June 30, 2025, an increase of 1.6 percentage points. The favorable attritional loss ratio - prior year for the six months ended June 30, 2026 was primarily driven by favorable development in specialty, property and casualty insurance classes, partially offset by additional loss information in relation to the Baltimore Bridge collapse.

Catastrophe losses - current year and prior year were $33.6 million and $30.2 million for thesix months ended June 30, 2026 and 2025, respectively. Catastrophe losses for the six months ended June 30, 2026 were driven by the Middle East conflict ($33.6 million). Catastrophe losses for the six months ended June 30, 2025 were driven by the California wildfires ($29.0 million) andsevere convective storms ($1.6 million), partially offset byfavorable prior year development of$0.4 million.

For the Six Months Ended
Acquisition Costs · % of Net Premiums Earned
($ in thousands)June 30,2026June 30,2025June 30,2026June 30,2025'26 vs '25point r
Property$34,911$30,37535.3%34.0%1.3
Casualty39,63134,59318.4%19.2%(0.8)
Specialty86,94963,50531.2%28.3%2.9
Total$161,491$128,47327.2%26.0%1.2

The acquisition cost ratio for the six months ended June 30, 2026 was 27.2%, compared to 26.0% for the six months ended June 30, 2025, an increase of 1.2 percentage points. The increase was primarily driven by a change in business mix, including an increase in specialty insurance.

For the Six Months Ended
June 30,
($ in thousands)20262025
Other underwriting expenses$82,057$75,130
Other underwriting expense ratio13.1%13.6%

Other underwriting expenses were $82.1 million for the six months ended June 30, 2026, an increase of $6.9 million, or 9.2%, compared to $75.1 million for the six months ended June 30, 2025. The increase was primarily driven by an increase in personnel costs.

The other underwriting expense ratio for the six months ended June 30, 2026 and 2025 decreased from 13.6% to 13.1% driven by growth in the premium base, partially offset by an increase in the underlying costs and a decrease in third party fee income.

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.