FORM 10-Q__________________________________ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June30, 2026 OR TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-41862__________________________________ Hamilton Insurance Group, Ltd. (Exact name of registrant as specified in its charter) 98-1153847 Bermuda (State or other jurisdiction ofincorporation or organization) (I.R.S. Employer Identification No.) Wellesley House North, 1st Floor, 90 PittsBay RoadPembroke HM 08Bermuda(Address of Principal Executive Offices and ZipCode) (441) 405-5200 Registrant's telephone number, including area code Securities registered pursuant to Section 12(b) of the Securities Exchange Act of 1934: Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the SecuritiesExchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports);and (2) has been subject to such filing requirements for the past 90 days.☒Yes☐No Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submittedpursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that theregistrant was required to submit and post such files). ☒Yes☐No Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smallerreporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smallerreporting company,” and "emerging growth company" in Rule 12b-2 of the Exchange Act. Large accelerated filerNon-accelerated filer If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period forcomplying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.☐ Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act).☐Yes☒No The registrant's number of Class B common shares outstanding as of July31, 2026 was 65,890,659. Hamilton Insurance Group, Ltd. Table of Contents Page Item 1. Financial Statements4Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations34Item 3. Quantitative and Qualitative Disclosures About Market Risk85Item 4. Controls and Procedures85 Item 1. Legal Proceedings87Item 1A. Risk Factors87Item 2. Unregistered Sales of Equity Securities and Use of Proceeds87Item 3. Defaults Upon Senior Securities87Item 4. Mine Safety Disclosures87Item 5. Other Information87Item 6. Exhibits88 Signatures89 SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS This Quarterly Report on Form 10-Q of Hamilton Insurance Group, Ltd. ("Quarterly Report") includes "forward looking statements"pursuant to the safe harbor provisions of the U.S. Private Securities Litigation Reform Act of 1995. Forward-looking statements can beidentified by the use of terms such as "believes," "expects," "may," "will," "target," "should," "could," "would," "seeks," "intends,""plans," "contemplates," "estimates," "forecasts," or "anticipates," or similar expressions which concern our strategy, plans, projectionsor intentions. These forward-looking statements appear in a number of places throughout this Quarterly Report and relate to matterssuch as our industry, growth strategy, goals and expectations concerning our market position, future operations, margins, profitability,capital expenditures, liquidity and capital resources, business plans (including syndicate capacity forecasts) and other financial andoperating information. By their nature, forward-looking statements: speak only as of the date they are made; are not statements ofhistorical fact or guarantees of future performance; and are subject to risks, uncertainties, assumptions, or changes in circumstancesthat are difficult to predict or quantify. Our expectations, beliefs, and projections are expressed in good faith and we believe there is areasonable basis for them. However, there can be no assurance that management’s expectations, beliefs and projections will beachieved and actual results may vary materially from what is expressed in or indicated by the forward-looking statements. There are a number of risks, uncertainties, and other important factors that could cause our actual results to differ materially from theforward-looking statements contained herein. Such risks, uncertainties, and other important factors include, among others, the risks,uncertainties and factors set forth in "Risk Factors" and "Management’s Discussion and Analysis of Financial Condition and Results ofOperations" included in