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 NYSE:BRO 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.$284.06-1.1%$318.00$274.25▼$351.23$73.56B0.711.32 million shs2.79 million shsAONAON$353.09-0.7%$358.07$322.95▼$412.97$76.70B0.841.35 million shs1.64 million shsBROBrown & Brown$92.22+0.9%$106.64$90.55▼$125.68$30.14B0.823.46 million shs3.54 million shsMMCMarsh & McLennan Companies$197.76-0.7%$216.62$196.27▼$248.00$97.93B0.82.59 million shs3.51 million shs7 Stocks That Could Be Bigger Than Tesla, Nvidia, and GoogleLooking for the next FAANG stock before everyone has heard about it? Enter your email address to see which stocks MarketBeat analysts think might become the next trillion dollar tech company.Get This Free ReportCompare Price PerformanceCompany1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year PerformanceAJGArthur J. Gallagher & Co.-1.19%-9.86%-9.98%-14.29%+0.22%AONAON-0.69%-5.26%+0.50%-0.86%+7.48%BROBrown & Brown+0.93%-10.79%-14.48%-16.62%-7.27%MMCMarsh & McLennan Companies-0.70%-6.00%-6.98%-12.96%-11.15%Compare MarketRank™CompanyOverall ScoreAnalyst's OpinionShort Interest ScoreDividend StrengthESG ScoreNews and Social Media SentimentCompany OwnershipEarnings & ValuationAJGArthur J. Gallagher & Co.4.5964 of 5 stars3.23.03.33.02.82.51.3AONAON4.5325 of 5 stars3.35.01.72.33.21.71.3BROBrown & Brown4.6792 of 5 stars3.25.01.72.52.52.51.9MMCMarsh & McLennan Companies4.735 of 5 stars2.15.04.23.24.11.71.9Compare Analyst ForecastsCompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current PriceAJGArthur J. Gallagher & Co. 2.31Hold$329.7516.08% UpsideAONAON 2.54Moderate Buy$409.2115.90% UpsideBROBrown & Brown 2.38Hold$114.2523.89% UpsideMMCMarsh & McLennan Companies 2.21Hold$239.7921.25% UpsideCurrent Analyst Ratings BreakdownLatest MMC, AON, AJG, and BRO Analyst RatingsDateCompanyBrokerageActionRatingPrice TargetDetails8/1/2025AJGArthur 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 ➝ $420.007/31/2025BROBrown & BrownArgusSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingBuy ➝ Hold7/31/2025BROBrown & BrownKeefe, Bruyette & WoodsSubscribe to MarketBeat All Access for the recommendation accuracy ratingLower Price TargetUnderperform ➝ Underperform$104.00 ➝ $87.007/30/2025BROBrown & BrownTruist FinancialSubscribe to MarketBeat All Access for the recommendation accuracy ratingSet Price Target$120.007/30/2025AONAONJefferies Financial GroupSubscribe to MarketBeat All Access for the recommendation accuracy ratingUpgradeHold ➝ Buy$400.00 ➝ $426.007/30/2025BROBrown & BrownBMO Capital MarketsSubscribe to MarketBeat All Access for the recommendation accuracy ratingLower Price TargetOutperform ➝ Outperform$122.00 ➝ $106.007/30/2025BROBrown & BrownWells Fargo & CompanySubscribe to MarketBeat All Access for the recommendation accuracy ratingLower Price TargetOverweight ➝ Overweight$127.00 ➝ $104.007/30/2025BROBrown & BrownBank of AmericaSubscribe to MarketBeat All Access for the recommendation accuracy ratingUpgradeNeutral ➝ Buy$126.00 ➝ $130.007/29/2025BROBrown & BrownBarclaysSubscribe to MarketBeat All Access for the recommendation accuracy ratingLower Price TargetEqual Weight ➝ Equal Weight$111.00 ➝ $108.00(Data available from 8/2/2022 forward. View 10+ years of historical ratings with our analyst ratings screener.)Compare Sales & Book ValueCompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/BookAJGArthur J. Gallagher & Co.$12.47B5.83$12.36 per share22.99$80.78 per share3.52AONAON$16.75B4.54$18.37 per share19.22$37.14 per share9.51BROBrown & Brown$4.95B6.15$4.57 per share20.19$35.22 per share2.62MMCMarsh & McLennan Companies$25.80B3.77$10.34 per share19.13$32.50 per share6.08Compare 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$7.0440.3521.42N/A14.54%14.04%3.93%N/AAONAON$2.65B$11.9429.5718.242.1115.54%50.91%7.00%N/ABROBrown & Brown$993M$3.4726.5820.312.0619.89%15.10%6.11%N/AMMCMarsh & McLennan Companies$4.06B$8.3423.7118.872.4116.00%31.90%8.29%10/16/2025 (Estimated)Latest MMC, AON, AJG, and BRO 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 billion7/28/2025Q2 2025BROBrown & Brown$0.99$1.03+$0.04$0.78$1.28 billion$1.29 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 billionCompare DividendsCompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive GrowthAJGArthur J. Gallagher & Co.$2.600.92%N/A36.93%15 YearsAONAON$2.980.84%N/A24.96%N/ABROBrown & Brown$0.600.65%N/A17.29%N/AMMCMarsh & McLennan Companies$3.601.82%N/A43.17%15 YearsLatest MMC, AON, AJG, and BRO DividendsAnnouncementCompanyPeriodAmountYieldEx-Dividend DateRecord DatePayable Date7/30/2025AJGArthur J. Gallagher & Co.quarterly$0.650.91%9/5/20259/5/20259/19/20257/23/2025BROBrown & Brownquarterly$0.150.58%8/13/20258/13/20258/20/20257/11/2025AONAONquarterly$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.0.561.441.44AONAON1.931.521.73BROBrown & Brown0.646.722.52MMCMarsh & McLennan Companies1.191.201.20Compare OwnershipInstitutional OwnershipCompanyInstitutional OwnershipAJGArthur J. Gallagher & Co.85.53%AONAON86.14%BROBrown & Brown71.01%MMCMarsh & McLennan Companies87.99%Insider OwnershipCompanyInsider OwnershipAJGArthur J. Gallagher & Co.1.60%AONAON1.10%BROBrown & Brown17.02%MMCMarsh & McLennan Companies0.35%Compare Miscellaneous StatsCompanyEmployeesShares OutstandingFree FloatOptionableAJGArthur J. Gallagher & Co.56,000256.10 million252.00 millionOptionableAONAON60,000215.63 million213.26 millionOptionableBROBrown & Brown17,403329.84 million273.70 millionOptionableMMCMarsh & McLennan Companies90,000491.62 million489.90 millionOptionableMMC, AON, AJG, and BRO HeadlinesRecent News About These CompaniesZacks Research Issues Pessimistic Estimate for MMC EarningsAugust 2 at 5:56 AM | marketbeat.comEmpirical Financial Services LLC d.b.a. Empirical Wealth Management Grows Stock Holdings in Marsh & McLennan Companies, Inc. (NYSE:MMC)August 2 at 5:46 AM | marketbeat.comZacks Research Issues Negative Estimate for MMC EarningsAugust 2 at 2:40 AM | americanbankingnews.comIs the Options Market Predicting a Spike in Marsh & McLennan Companies Stock?August 1 at 9:41 AM | zacks.comTorray Investment Partners LLC Cuts Holdings in Marsh & McLennan Companies, Inc. (NYSE:MMC)August 1 at 6:17 AM | marketbeat.comRVW Wealth LLC Acquires New Stake in Marsh & McLennan Companies, Inc. (NYSE:MMC)August 1 at 6:16 AM | marketbeat.comMarsh & McLennan Companies, Inc. (NYSE:MMC) Receives Average Rating of "Hold" from AnalystsAugust 1 at 2:34 AM | marketbeat.comInsider Buying: Anthony Anderson Acquires Shares of Marsh & McLennan Companies Inc (MMC)July 31 at 6:09 PM | gurufocus.comMarsh & McLennan Companies, Inc. (NYSE:MMC) Shares Purchased by Natixis Advisors LLCJuly 31 at 6:52 AM | marketbeat.comMarsh & McLennan Companies, Inc. (NYSE:MMC) is Bristol Gate Capital Partners Inc.'s 3rd Largest PositionJuly 31 at 6:52 AM | marketbeat.comMarsh & McLennan Companies, Inc. (NYSE:MMC) Shares Bought by LPL Financial LLCJuly 31 at 5:02 AM | marketbeat.comMarsh & McLennan Companies, Inc. (NYSE:MMC) Shares Acquired by XTX Topco LtdJuly 30 at 7:38 AM | marketbeat.comMarsh & McLennan Companies, Inc. (NYSE:MMC) Shares Sold by Tredje AP fondenJuly 30 at 5:37 AM | marketbeat.comVestcor Inc Sells 1,824 Shares of Marsh & McLennan Companies, Inc. (NYSE:MMC)July 30 at 4:42 AM | marketbeat.comMarsh & McLennan Companies (NYSE:MMC) Hits New 12-Month Low - What's Next?July 29, 2025 | marketbeat.comBanque Cantonale Vaudoise Acquires New Position in Marsh & McLennan Companies, Inc. (NYSE:MMC)July 29, 2025 | marketbeat.comMawer Investment Management Ltd. Has $1.46 Billion Stake in Marsh & McLennan Companies, Inc. (NYSE:MMC)July 29, 2025 | marketbeat.comBellwether Advisors LLC Has $394,000 Stock Holdings in Marsh & McLennan Companies, Inc. (NYSE:MMC)July 28, 2025 | marketbeat.comMarsh & McLennan Companies, Inc. (NYSE:MMC) Shares Bought by Kinsale Capital Group Inc.July 28, 2025 | marketbeat.comMackenzie Financial Corp Has $178.41 Million Stock Holdings in Marsh & McLennan Companies, Inc. (NYSE:MMC)July 28, 2025 | marketbeat.comMarsh & McLennan Companies Inc (MMC) Expands Presence in Japan with Acquisition of ...July 28, 2025 | gurufocus.comNew MarketBeat Followers Over TimeMedia Sentiment Over TimeMMC, AON, AJG, and BRO Company DescriptionsArthur J. Gallagher & Co. NYSE:AJG$284.06 -3.19 (-1.11%) Closing price 08/1/2025 03:59 PM EasternExtended Trading$282.32 -1.74 (-0.61%) As of 08/1/2025 06:01 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.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$353.09 -2.62 (-0.74%) Closing price 08/1/2025 03:59 PM EasternExtended Trading$353.30 +0.22 (+0.06%) As of 08/1/2025 05:53 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.Brown & Brown NYSE:BRO$92.22 +0.85 (+0.93%) Closing price 08/1/2025 03:59 PM EasternExtended Trading$92.26 +0.03 (+0.04%) As of 08/1/2025 07:59 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.Brown & Brown, Inc. is an insurance agency, wholesale brokerage, insurance program and service organization. It engages in the provision of insurance brokerage services and casualty insurance underwriting services. It operates through the following segments: Retail, National Programs, Wholesale Brokerage, and Services. The Retail Segment receives fees in lieu of commissions. The National Programs segment acts as a managing general agent and provides professional liability and related package products for certain professionals, a range of insurance products for individuals, flood coverage, and targeted products and services designated for specific industries, trade groups, governmental entities and market niches. The Wholesale Brokerage segment markets and sells excess and surplus commercial and personal lines insurance, primarily through independent agents and brokers, as well as the company’s retail agents. The Services segment provides insurance-related services, including third-party claims administration and comprehensive medical utilization management services in both the workers' compensation and all-lines liability arenas, as well as Medicare Set-aside services, social security disability and Medicare benefits advocacy services and claims adjusting services. The company was founded by J. Adrian Brown and Charles Covington Owen in 1939 and is headquartered in Daytona Beach, FL.Marsh & McLennan Companies NYSE:MMC$197.76 -1.44 (-0.72%) Closing price 08/1/2025 03:59 PM EasternExtended Trading$197.68 -0.07 (-0.04%) As of 08/1/2025 07:12 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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