Premium Growth and Policy Performance - Net premiums written grew 18% year-over-year to 14.7billioninQ22023,drivenbypolicygrowthandrateincreases[112]−Policiesinforceincreasedby1211,600.1 million in Q2 2023 compared to 9,472.5millioninQ22022[183]−Totalunderwritingoperationsnetpremiumswrittengrewby1814,716.9 million in Q2 2023 from 12,422.1millioninQ22022[183]−TotalPersonalLinesnetpremiumsearnedgrew2311,387.9 million in Q2 2023 from 9,272.4millioninQ22022[183]−CommercialLinesnetpremiumswrittenincreasedby22,366.4 million in Q2 2023 compared to 2,308.8millioninQ22022[183]UnderwritingPerformanceandLosses−Combinedratioincreasedby4.8pointsto100.4inQ22023,primarilyduetounfavorableprioraccidentyearsreservedevelopmentandhighercatastrophelosses[109]−Catastrophelossescontributed7.1pointstotheunderwritinglossinQ22023,withnearly60(71.2) million with a margin of (1.4)% in Q2 2023, compared to 260.3millionand6.0(64.3) million with a margin of (0.4)% in Q2 2023, down from 538.5millionand4.412,170.1 million in Q2 2023 from 9,421.1millioninQ22022[159]−ThetotallossandLAEratioincreasedby6.5pointsinQ22023comparedtothesameperiodlastyear,primarilyduetoincreasedseverityandhighercatastrophelosses[160]−Netcatastrophelossesincurredtotaled1,024.6 million in Q2 2023, up from 528.3millioninQ22022[161]−Thecompanyexperienced19catastrophicweathereventsinQ22023,comparedto23eventsinQ22022[161]InvestmentPerformance−Netincomeincreasedby16459.3 billion at June 30, 2023, up from 53.5billionatDecember31,2022[134]−Recurringinvestmentincomegeneratedapretaxbookyieldof3.159.27 billion, with fixed-income securities accounting for 95.4% (56.56billion)andcommonequitiesmakingup4.62.71 billion)[209] - U.S. government obligations represented 53.3% (31.60billion)oftheportfolioasofJune30,2023,upfrom36.018.72 billion) in June 2022[209] - Corporate debt securities accounted for 17.4% (10.30billion)oftheportfolioasofJune30,2023,slightlydownfrom19.610.17 billion) in June 2022[209] - The fixed-income portfolio had a duration of 2.9 years as of June 30, 2023, within the acceptable range of 1.5 to 5 years[217] - The portfolio's credit quality rating was AA as of June 30, 2023, with 26.9% of the fixed-income portfolio allocated to 5-year duration securities[218] - Group I securities (higher risk) made up 7.6% (4.52billion)oftheportfolioasofJune30,2023,downfrom11.45.90 billion) in June 2022[212] - Group II securities (lower risk) accounted for 92.4% (54.74billion)oftheportfolioasofJune30,2023,upfrom88.646.03 billion) in June 2022[212] - The fixed-maturity portfolio had total after-tax net unrealized losses of 2.6billionasofJune30,2023,comparedto2.2 billion in June 2022[213] - Equity securities had net holding period gains of 1.92billionasofJune30,2023,upfrom1.84 billion in December 2022[215] - The portfolio's short-term investments decreased to 2.5% (1.49billion)asofJune30,2023,from8.94.61 billion) in June 2022[212] - AAA-rated fixed-income portfolio increased to 68.4% in June 2023, up from 57.7% in June 2022[219] - The company expects approximately 3.1billion(139,845.8 million in June 2023, down from 11,929.9millioninJune2022[221]−Residentialmortgage−backedsecuritiesdecreasedby3.11,481.3 million and 820.8millionrespectively,representing63.72,154.7 million, including 472.2millioninsingle−familyhousingrevenuebonds[230][231]−Corporatedebtsecuritiesportfoliodecreasedto10.3 billion in Q2 2023 from 10.7billioninQ12023,withareductioninhigh−yieldsecuritiesexposure[233]−Preferredstocksportfoliodeclinedto1.1 billion in Q2 2023 from 1.3billioninQ12023,primarilyduetocalledorsoldsecuritieswithlessattractiverisk/rewardprofiles[235][236]−Commonequitiesportfolioheld762outof1,008stocksintheRussell1000Index,representing952.0 billion in damages, with additional substantial coverage for a second or third hurricane[163] - The new aggregate excess of loss reinsurance contract has a first retention layer threshold ranging from 500millionto575 million, excluding named tropical storms and hurricanes[164] - Reinsurance coverage limits are 100millionfornon−namedstormpropertycatastrophelossesand85 million for other events[165] Expense Management and Ratios - Advertising spend decreased by 34% in Q2 2023, reducing the contribution to the combined ratio by 2.0 points[112] - Underwriting expense ratio decreased by 1.7 points in Q2 2023 compared to the same period last year, driven by a 34% reduction in advertising spend[180] - Non-acquisition expense ratio (NAER) increased by 0.4 points in Commercial Lines and 0.7 points in Property businesses in Q2 2023 compared to the same period last year[181] Capital and Shareholder Equity - Total capital (debt plus shareholders' equity) increased to 23.6billionatJune30,2023,comparedto22.0 billion at June 30, 2022[140] - The company repurchased 0.3 million common shares in the first six months of 2023 at a total cost of 40.1million[144]TaxandFinancialMetrics−Thecompanyreportedrecoverableincometaxesof44.0 million at June 30, 2023, compared to net current income taxes payable of 114.0millionatJune30,2022[201]−Netfederaldeferredtaxassetswere1.2 billion at June 30, 2023, compared to 1.0billionatJune30,2022[201]−TheeffectivetaxrateforthethreeandsixmonthsendedJune30,2023,was20.7490.4 million for Q2 2023, with prior accident years contributing 206.9millionandcurrentaccidentyearcontributing283.5 million[172]