Compare Stocks Compare stocks with our powerful stock comparison tool. Analyze fundamentals, price performance, and key financial indicators to make informed investment decisions. Our tool lets you compare up to ten stocks side by side based on Performance Charts, Price & Volume, MarketRank™, Analyst Ratings, Sales & Book Value, Profitability & Earnings, Dividends, Debt, Ownership, Headlines, and more. Simply enter up to ten stock symbols (e.g., BAC, JPM, WFC, C, GS) to get started and uncover top investment opportunities. Stocks to Compare Sections All Sections Selected Performance Chart Price & Volume MarketRank Analyst Ratings Sales & Book Value Profitability & Earnings Dividends Debt Ownership Miscellaneous Headlines About Compare NYSE:AJG NYSE:AON OTCMKTS:HVRRY NYSE:MMC On This Page Performance ChartPrice & VolumeMarketRank™Analyst RatingsSales & Book ValueProfitability & EarningsDividendsDebtOwnershipMiscellaneousHeadlinesAbout Comparison Ideas Stock Ideas Comparative Price Performance Over Time1 day7 days30 days90 days365 daysCompare Price & VolumeCompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's VolumeAJGArthur J. Gallagher & Co.$289.91+1.3%$314.73$274.25▼$351.23$73.40B0.681.50 million shs3.12 million shsAONAON$364.85+0.3%$358.09$323.73▼$412.97$78.42B0.831.37 million shs1.84 million shsHVRRYHannover Ruck$53.78+1.3%$52.29$39.01▼$55.40$38.41B0.4615,535 shs3,832 shsMMCMarsh & McLennan Companies$203.10-0.4%$214.32$196.27▼$248.00$100.24B0.772.86 million shs3.03 million shsElon Musk's Next MoveExplore Elon Musk’s boldest ventures yet—from AI and autonomy to space colonization—and find out how investors can ride the next wave of innovation.Get This Free ReportCompare Price PerformanceCompany1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year PerformanceAJGArthur J. Gallagher & Co.+1.20%+0.84%-7.63%-14.40%+2.93%AONAON+0.31%+2.61%+2.87%+3.03%+11.88%HVRRYHannover Ruck+1.31%+6.26%+3.14%+2.02%+38.60%MMCMarsh & McLennan Companies-0.43%+1.98%-4.73%-10.45%-6.87%Compare MarketRank™CompanyOverall ScoreAnalyst's OpinionShort Interest ScoreDividend StrengthESG ScoreNews and Social Media SentimentCompany OwnershipEarnings & ValuationAJGArthur J. Gallagher & Co.4.5868 of 5 stars3.13.03.33.02.62.51.3AONAON4.5467 of 5 stars3.35.01.72.33.11.71.3HVRRYHannover Ruck2.3764 of 5 stars0.03.02.50.01.90.02.5MMCMarsh & McLennan Companies4.7356 of 5 stars2.15.04.23.24.01.71.9Compare Analyst ForecastsCompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current PriceAJGArthur J. Gallagher & Co. 2.29Hold$329.1513.54% UpsideAONAON 2.54Moderate Buy$409.2112.16% UpsideHVRRYHannover Ruck 2.33HoldN/AN/AMMCMarsh & McLennan Companies 2.21Hold$239.7918.06% UpsideCurrent Analyst Ratings BreakdownLatest HVRRY, MMC, AON, and AJG Analyst RatingsDateCompanyBrokerageActionRatingPrice TargetDetails8/4/2025AJGArthur J. Gallagher & Co.UBS GroupSubscribe to MarketBeat All Access for the recommendation accuracy ratingLower Price TargetNeutral ➝ Neutral$345.00 ➝ $322.008/1/2025AJGArthur J. Gallagher & Co.Wells Fargo & CompanySubscribe to MarketBeat All Access for the recommendation accuracy ratingBoost Price TargetOverweight ➝ Overweight$371.00 ➝ $373.008/1/2025AJGArthur J. Gallagher & Co.Piper SandlerSubscribe to MarketBeat All Access for the recommendation accuracy ratingBoost Price TargetOverweight ➝ Overweight$352.00 ➝ $372.007/31/2025AONAONBarclaysSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingOverweight ➝ Overweight$401.00 ➝ $420.007/30/2025AONAONJefferies Financial GroupSubscribe to MarketBeat All Access for the recommendation accuracy ratingUpgradeHold ➝ Buy$400.00 ➝ $426.007/28/2025AONAONPiper SandlerSubscribe to MarketBeat All Access for the recommendation accuracy ratingBoost Price TargetOverweight ➝ Overweight$393.00 ➝ $413.007/28/2025AONAONEvercore ISISubscribe to MarketBeat All Access for the recommendation accuracy ratingBoost Price TargetOutperform ➝ Outperform$411.00 ➝ $421.007/23/2025AJGArthur J. Gallagher & Co.Erste Group BankSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingBuy ➝ Hold7/21/2025MMCMarsh & McLennan CompaniesUBS GroupSubscribe to MarketBeat All Access for the recommendation accuracy ratingLower Price TargetBuy ➝ Buy$261.00 ➝ $258.007/21/2025MMCMarsh & McLennan CompaniesKeefe, Bruyette & WoodsSubscribe to MarketBeat All Access for the recommendation accuracy ratingLower Price TargetUnderperform ➝ Underperform$214.00 ➝ $210.007/18/2025MMCMarsh & McLennan CompaniesWells Fargo & CompanySubscribe to MarketBeat All Access for the recommendation accuracy ratingLower Price TargetEqual Weight ➝ Equal Weight$229.00 ➝ $226.00(Data available from 8/8/2022 forward. View 10+ years of historical ratings with our analyst ratings screener.)Compare Sales & Book ValueCompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/BookAJGArthur J. Gallagher & Co.$11.40B6.52$12.65 per share22.91$89.92 per share3.22AONAON$15.70B5.01$18.57 per share19.65$37.14 per share9.82HVRRYHannover Ruck$28.55B1.36$3.53 per share15.24$18.98 per share2.83MMCMarsh & McLennan Companies$25.80B3.87$10.37 per share19.58$32.50 per share6.25Compare Profitability & EarningsCompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings DateAJGArthur J. Gallagher & Co.$1.46B$7.0441.1821.86N/A14.54%13.17%3.72%10/23/2025 (Estimated)AONAON$2.65B$11.9430.5618.852.1515.54%50.91%7.00%10/24/2025 (Estimated)HVRRYHannover Ruck$2.52B$3.3516.0514.11N/A8.46%18.29%3.17%N/AMMCMarsh & McLennan Companies$4.06B$8.3424.3519.382.4716.00%31.90%8.29%10/16/2025 (Estimated)Latest HVRRY, MMC, AON, and AJG EarningsDateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails7/31/2025Q2 2025AJGArthur J. Gallagher & Co.$2.36$2.33-$0.03$1.40$3.20 billion$3.18 billion7/25/2025Q2 2025AONAON$3.40$3.49+$0.09$2.66$4.16 billion$4.16 billion7/17/2025Q2 2025MMCMarsh & McLennan Companies$2.66$2.72+$0.06$2.45$6.92 billion$6.97 billion5/13/2025Q1 2025HVRRYHannover Ruck$0.80$0.70-$0.10$0.70$7.10 billion$8.06 billionCompare DividendsCompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive GrowthAJGArthur J. Gallagher & Co.$2.600.90%N/A36.93%15 YearsAONAON$2.980.82%N/A24.96%N/AHVRRYHannover Ruck$0.921.71%N/A27.46%N/AMMCMarsh & McLennan Companies$3.601.77%N/A43.17%15 YearsLatest HVRRY, MMC, AON, and AJG DividendsAnnouncementCompanyPeriodAmountYieldEx-Dividend DateRecord DatePayable Date7/30/2025AJGArthur J. Gallagher & Co.quarterly$0.650.91%9/5/20259/5/20259/19/20257/11/2025AONAONquarterly$0.74500.84%8/1/20258/1/20258/15/20257/9/2025MMCMarsh & McLennan Companiesquarterly$0.901.68%7/24/20257/24/20258/15/2025(Data available from 1/1/2013 forward)Compare DebtCompanyDebt-to-Equity RatioCurrent RatioQuick RatioAJGArthur J. Gallagher & Co.0.521.361.44AONAON1.931.521.52HVRRYHannover Ruck0.360.090.09MMCMarsh & McLennan Companies1.191.201.20Compare OwnershipInstitutional OwnershipCompanyInstitutional OwnershipAJGArthur J. Gallagher & Co.85.53%AONAON86.14%HVRRYHannover Ruck0.01%MMCMarsh & McLennan Companies87.99%Insider OwnershipCompanyInsider OwnershipAJGArthur J. Gallagher & Co.1.60%AONAON1.10%HVRRYHannover RuckN/AMMCMarsh & McLennan Companies0.35%Compare Miscellaneous StatsCompanyEmployeesShares OutstandingFree FloatOptionableAJGArthur J. Gallagher & Co.56,000256.40 million252.30 millionOptionableAONAON60,000215.63 million213.26 millionOptionableHVRRYHannover Ruck4,139723.58 millionN/ANot OptionableMMCMarsh & McLennan Companies90,000491.62 million489.90 millionOptionableHVRRY, MMC, AON, and AJG HeadlinesRecent News About These Companies114,305 Shares in Marsh & McLennan Companies, Inc. (NYSE:MMC) Acquired by ASR Vermogensbeheer N.V.August 7 at 7:12 AM | marketbeat.comPrimecap Management Co. CA Reduces Stake in Marsh & McLennan Companies, Inc. (NYSE:MMC)August 7 at 7:12 AM | marketbeat.comJensen Investment Management Inc. Sells 410,865 Shares of Marsh & McLennan Companies, Inc. (NYSE:MMC)August 7 at 7:10 AM | marketbeat.comVanguard Group Inc. Grows Stock Holdings in Marsh & McLennan Companies, Inc. (NYSE:MMC)August 7 at 7:10 AM | marketbeat.comGoldman Sachs Group Inc. Raises Position in Marsh & McLennan Companies, Inc. (NYSE:MMC)August 7 at 7:10 AM | marketbeat.comCary Street Partners Financial LLC Sells 2,741 Shares of Marsh & McLennan Companies, Inc. (NYSE:MMC)August 7 at 6:06 AM | marketbeat.comCommonwealth Equity Services LLC Raises Stock Holdings in Marsh & McLennan Companies, Inc. (NYSE:MMC)August 7 at 4:15 AM | marketbeat.comMarsh & McLennan Companies, Inc. (NYSE:MMC) Shares Sold by Mutual of America Capital Management LLCAugust 7 at 3:06 AM | marketbeat.comiA Global Asset Management Inc. Buys 48,088 Shares of Marsh & McLennan Companies, Inc. (NYSE:MMC)August 6 at 7:04 AM | marketbeat.comMarsh & McLennan Companies, Inc. (NYSE:MMC) Shares Sold by Levin Capital Strategies L.P.August 6 at 6:41 AM | marketbeat.comAdvyzon Investment Management LLC Acquires 1,256 Shares of Marsh & McLennan Companies, Inc. (NYSE:MMC)August 6 at 5:55 AM | marketbeat.comBlair William & Co. IL Has $10.92 Million Stock Position in Marsh & McLennan Companies, Inc. (NYSE:MMC)August 6 at 5:07 AM | marketbeat.comMarsh & McLennan: An Undervalued Stock With Double-Digit Dividend GrowthAugust 4, 2025 | seekingalpha.comMarsh & McLennan Companies, Inc. (NYSE:MMC) Stock Holdings Trimmed by Raiffeisen Bank International AGAugust 4, 2025 | marketbeat.comHeritage Trust Co Lowers Position in Marsh & McLennan Companies, Inc. (NYSE:MMC)August 4, 2025 | marketbeat.comCCLA Investment Management Has $146.75 Million Holdings in Marsh & McLennan Companies, Inc. (NYSE:MMC)August 4, 2025 | marketbeat.comScotia Capital Inc. Buys 6,368 Shares of Marsh & McLennan Companies, Inc. (NYSE:MMC)August 4, 2025 | marketbeat.comLiberty Wealth Management LLC Makes New $4.47 Million Investment in Marsh & McLennan Companies, Inc. (NYSE:MMC)August 4, 2025 | marketbeat.comLGT Capital Partners LTD. Sells 10,980 Shares of Marsh & McLennan Companies, Inc. (NYSE:MMC)August 4, 2025 | marketbeat.comBank of Nova Scotia Cuts Stock Holdings in Marsh & McLennan Companies, Inc. (NYSE:MMC)August 4, 2025 | marketbeat.comPNC Financial Services Group Inc. Buys 7,910 Shares of Marsh & McLennan Companies, Inc. (NYSE:MMC)August 4, 2025 | marketbeat.comNew MarketBeat Followers Over TimeMedia Sentiment Over TimeHVRRY, MMC, AON, and AJG Company DescriptionsArthur J. Gallagher & Co. NYSE:AJG$289.91 +3.65 (+1.27%) Closing price 08/7/2025 03:59 PM EasternExtended Trading$289.80 -0.11 (-0.04%) As of 08/7/2025 07:48 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.Arthur J. Gallagher & Co. engages in the provision of insurance brokerage, reinsurance brokerage, consulting, and third-party claims settlement and administration services. It operates through the following segments: Brokerage, Risk Management, and Corporate. The Brokerage segment consists of retail and wholesale insurance brokerage operations. The Risk Management segment provides contract claim settlement and administration services. The Corporate segment manages clean energy and other investments. The company was founded by Arthur J. Gallagher in 1927 and is headquartered in Rolling Meadows, IL.AON NYSE:AON$364.85 +1.17 (+0.32%) Closing price 08/7/2025 03:59 PM EasternExtended Trading$365.03 +0.18 (+0.05%) As of 08/7/2025 05:26 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.Aon Plc engages in the provision of risk, health, and wealth solutions. It focuses on risk capital including claim management, reinsurance, risk analysis, management, retention, and transfer; and human capital involving analytics, health and benefits, investments, pensions and retirement, talent and rewards, and workplace wellbeing. The company was founded in 1982 and is headquartered in Dublin, Ireland.Hannover Ruck OTCMKTS:HVRRY$53.78 +0.70 (+1.31%) As of 08/7/2025 03:50 PM EasternHannover Rück SE, together with its subsidiaries, provides reinsurance products and services in Germany, the United Kingdom, France, Europe, the United States, Asia, Australia, Africa, and internationally. It operates through Property & Casualty Reinsurance; and Life & Health Reinsurance segments. The company provides property and casualty reinsurance solutions for agricultural, livestock, and bloodstock; aviation and space; catastrophe XL; credit, surety, and political risks; facultative; and marine and offshore energy businesses, as well as insurance-linked securities and structured reinsurance. It offers risk solutions in the areas of critical illness, disability, health, longevity, long term care, and mortality. In addition, the company offers group life, retirement, lifestyle, credit life, and Takaful reinsurance products. Further, the company provides various financial solutions, including new-business financing; monetization of embedded value; reserve and solvency relief; and reinsurance and solvency II businesses. The company was formerly known as Hannover Rückversicherung AG and changed its name to Hannover Rück SE in March 2013. Hannover Rück SE was founded in 1966 and is based in Hanover, Germany. Hannover Rück SE operates as a subsidiary of Talanx AG.Marsh & McLennan Companies NYSE:MMC$203.10 -0.80 (-0.39%) Closing price 08/7/2025 03:59 PM EasternExtended Trading$202.12 -0.97 (-0.48%) As of 08/7/2025 05:01 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.Marsh & McLennan Cos., Inc. is a professional services firm, which engages in offering clients advice and solutions in risk, strategy, and people. It operates through the Risk and Insurance Services, and Consulting segments. The Risk and Insurance Services segment is involved in risk management activities, as well as insurance and reinsurance broking and services. The Consulting segment offers health, wealth, and career solutions and products, and specialized management, strategic, economic, and brand consulting services. The company was founded by Henry W. Marsh and Donald R. McLennan in 1871 and is headquartered in New York, NY. 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