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RenaissanceRe Holdings RNR Business Segments

TTM Q1 '26TTM Q4 '25TTM Q3 '25TTM Q2 '25TTM Q1 '25
Premiums Earned, Net by Business
Casualty and Specialty$5.74B-7.6%$5.93B-5.1%$6.1B+1.3%$6.19B+14.1%$6.21B+26.9%
Property$3.62B-12.9%$3.97B+3.2%$3.99B+5.2%$4.05B+13.7%$4.16B+24.6%
Underwriting Income (Loss) Net by Business
Casualty and Specialty-$105M+46.2%-$263.28M-937%-$271.53M-486%-$251.13M-349%-$195.02M-236%
Property$2.73B+440%$1.53B-6.9%$1.08B-42.6%$684.53M-62.9%$506.07M-69.8%
Net claims and claim expenses incurred (Notes 5 and 6) by Business
Casualty and Specialty$3.97B-7.7%$4.19B0.0%$4.28B+8.5%$4.31B+21.2%$4.3B+35.6%
Property-$57.33M-102%$1.48B+29.8%$1.87B+112%$2.33B+207%$2.61B+241%
Net premiums written by Business
Casualty and Specialty$5.5B-9.4%$5.83B-4.8%$5.94B-0.6%$6.03B+10.0%$6.07B+20.0%
Property$3.61B-12.6%$4.04B+5.5%$4.09B+7.1%$4.09B+15.0%$4.13B+23.4%
Gross premiums written (Note 5) by Business
Casualty and Specialty$6.54B-4.2%$6.8B-1.6%$6.83B-0.1%$6.85B+8.1%$6.83B+15.5%
Property$4.52B-10.8%$4.94B+2.5%$4.99B+4.3%$5.04B+12.1%$5.06B+22.1%
Operational expenses by Business
Casualty and Specialty$154.38M-16.8%$167M-14.0%$190.06M+4.8%$199.14M+23.0%$185.59M+26.6%
Property$298.95M-2.0%$297.48M-1.6%$318.04M+8.7%$309.15M+14.7%$305M+18.6%
Net claims and claim expenses incurred – current accident year by Business
Casualty and Specialty$3.96B-8.7%$4.19B-0.8%$4.3B+8.0%$4.33B+20.2%$4.34B+35.9%
Property$949.75M-73.0%$2.52B+28.3%$3.05B+103%$3.42B+178%$3.52B+196%
Reserve for claims and claim expenses (Note 6) by Business
Casualty and Specialty$65.94B+13.5%$64.32B+15.0%$62.44B+16.0%$60.27B+22.6%$58.08B+30.2%
Property$24.28B-13.4%$26.46B-4.5%$27.35B-5.6%$28.03B-1.4%$28.05B-1.1%
Net claims and claim expenses incurred – prior accident years by Business
Casualty and Specialty-$14.03M+63.9%-$21.58M+33.6%-$13.75M+55.9%-$18.14M+59.2%-$38.88M-84.7%
Property-$1.06B-16.6%-$1.09B-33.0%-$1.19B-90.2%-$1.09B-130%-$911.24M-116%
Liability for Unpaid Claims and Claims Adjustment Expense, Incurred Claims by Business
Casualty and Specialty$3.97B-7.7%$4.19B0.0%$4.28B+8.5%$4.31B+21.2%$4.3B+35.6%
Property-$57.33M-102%$1.48B+29.8%$1.87B+112%$2.33B+207%$2.61B+241%
IBNR by Business
Casualty and Specialty$51.07B+13.8%$50B+15.9%$48.46B+17.4%$46.65B+24.0%$44.87B+31.9%
Property$9.58B-26.3%$11.24B-12.6%$11.86B-8.9%$12.29B-3.3%$12.99B+7.8%
ACR by Business
Casualty and Specialty$1.17B+9.3%$1.11B+16.0%$1.08B+8.5%$1.09B+17.7%$1.07B+15.2%
Property$7.17B+0.2%$7.45B+12.0%$7.68B+7.4%$7.84B+12.6%$7.16B-5.8%
Case Reserves by Business
Casualty and Specialty$13.71B+12.9%$13.21B+11.6%$12.9B+11.6%$12.53B+18.2%$12.14B+25.7%
Property$7.52B-4.7%$7.77B-5.1%$7.81B-11.2%$7.9B-9.7%$7.89B-9.2%
Acquisition expenses by Business
Casualty and Specialty$1.72B-10.4%$1.84B-2.6%$1.9B+4.3%$1.93B+20.2%$1.92B+34.0%
Property$704.24M-4.9%$714.85M-5.8%$726.18M-1.5%$726.27M+5.5%$740.42M+15.6%

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Questions, answered.

How does RenaissanceRe Holdings break its business down?
RenaissanceRe Holdings (RNR) reports premium revenue by business across 2 parts — Casualty and Specialty and Property. Each is extracted from the segment footnotes and tracked over time.
Where does RenaissanceRe Holdings's segment data come from?
Segment breakdowns are pulled from the segment footnotes in RenaissanceRe Holdings's SEC filings (the XBRL dimensional tags), so every line ties back to a reported figure. Switch between quarterly, annual, and TTM, or open any segment for its full history.