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.$304.120.0%$297.92$275.56▼$351.23$78.01B0.721.52 million shs497,301 shsAONAON$353.95-0.6%$363.72$323.73▼$412.97$76.36B0.871.31 million shs418,809 shsBROBrown & Brown$93.14-0.7%$95.15$89.99▼$125.68$30.73B0.82.56 million shs940,950 shsMMCMarsh & McLennan Companies$199.36-0.1%$203.86$195.01▼$248.00$98.04B0.812.25 million shs928,770 shs10 Best Stocks to Own: Fall 2025Enter your email address and we'll send you MarketBeat's list of ten stocks that are set to soar in Fall 2025, despite the threat of tariffs and other economic uncertainty. These ten stocks are incredibly resilient and are likely to thrive in any economic environment.Get This Free ReportCompare Price PerformanceCompany1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year PerformanceAJGArthur J. Gallagher & Co.0.00%+1.40%+0.44%-5.04%+8.82%AONAON0.00%+1.77%-2.97%-0.25%+2.46%BROBrown & Brown0.00%+2.25%-3.27%-15.41%-8.57%MMCMarsh & McLennan Companies0.00%+1.41%-2.97%-8.78%-10.87%Compare Price & VolumeCompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's VolumeAJGArthur J. Gallagher & Co.$304.120.0%$297.92$275.56▼$351.23$78.01B0.721.52 million shs497,301 shsAONAON$353.95-0.6%$363.72$323.73▼$412.97$76.36B0.871.31 million shs418,809 shsBROBrown & Brown$93.14-0.7%$95.15$89.99▼$125.68$30.73B0.82.56 million shs940,950 shsMMCMarsh & McLennan Companies$199.36-0.1%$203.86$195.01▼$248.00$98.04B0.812.25 million shs928,770 shs10 Best Stocks to Own: Fall 2025Enter your email address and we'll send you MarketBeat's list of ten stocks that are set to soar in Fall 2025, despite the threat of tariffs and other economic uncertainty. These ten stocks are incredibly resilient and are likely to thrive in any economic environment.Get This Free ReportCompare Price PerformanceCompany1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year PerformanceAJGArthur J. Gallagher & Co.0.00%+1.40%+0.44%-5.04%+8.82%AONAON0.00%+1.77%-2.97%-0.25%+2.46%BROBrown & Brown0.00%+2.25%-3.27%-15.41%-8.57%MMCMarsh & McLennan Companies0.00%+1.41%-2.97%-8.78%-10.87%Compare Analyst ForecastsCompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current PriceAJGArthur J. Gallagher & Co. 2.44Hold$330.938.82% UpsideAONAON 2.65Moderate Buy$414.6917.16% UpsideBROBrown & Brown 2.40Hold$112.0820.34% UpsideMMCMarsh & McLennan Companies 2.22Hold$238.7619.77% UpsideCurrent Analyst Ratings BreakdownLatest MMC, AON, AJG, and BRO Analyst RatingsDateCompanyBrokerageActionRatingPrice TargetDetails9/19/2025AJGArthur J. Gallagher & Co.UBS GroupSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingBoost Price TargetNeutral$322.00 ➝ $329.009/19/2025AJGArthur J. Gallagher & Co.Keefe, Bruyette & WoodsSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingBoost Price TargetMarket Perform$288.00 ➝ $298.009/19/2025AJGArthur J. Gallagher & Co.Wells Fargo & CompanySubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingLower Price TargetOverweight$369.00 ➝ $365.009/17/2025AONAONTD CowenSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingLower Price TargetBuy$427.00 ➝ $419.009/16/2025MMCMarsh & McLennan CompaniesWolfe ResearchSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingInitiated CoveragePeer Perform9/15/2025AONAONWolfe ResearchSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingInitiated CoveragePeer Perform9/11/2025AONAONMorgan StanleySubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingUpgradeEqual Weight ➝ Overweight$385.00 ➝ $430.009/3/2025AJGArthur J. Gallagher & Co.The Goldman Sachs GroupSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingInitiated CoverageBuy$344.008/18/2025AONAONMorgan StanleySubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingReiterated RatingCautious8/18/2025AONAONMorgan StanleySubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingBoost Price TargetEqual Weight$365.00 ➝ $385.008/18/2025BROBrown & BrownMorgan StanleySubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingLower Price TargetEqual Weight$109.00 ➝ $105.00(Data available from 9/29/2022 forward. View 10+ years of historical ratings with our analyst ratings screener.)Compare Sales & Book ValueCompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/BookAJGArthur J. Gallagher & Co.$11.40B6.84$12.49 per share24.34$80.78 per share3.76AONAON$15.70B4.86$18.40 per share19.24$29.15 per share12.14BROBrown & Brown$4.81B6.39$4.49 per share20.73$22.51 per share4.14MMCMarsh & McLennan Companies$24.46B4.01$10.40 per share19.16$27.56 per share7.23Compare 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$7.0443.2222.93N/A14.54%13.17%3.72%10/23/2025 (Estimated)AONAON$2.65B$11.9429.6618.282.1115.54%50.91%7.00%10/24/2025 (Estimated)BROBrown & Brown$993M$3.4726.8520.512.1219.89%15.10%6.11%10/27/2025 (Estimated)MMCMarsh & McLennan Companies$4.06B$8.3423.9119.022.5116.00%31.90%8.29%10/16/2025 (Estimated)Latest MMC, AON, AJG, and BRO EarningsDateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails10/27/2025Q3 2025BROBrown & Brown$0.90N/AN/AN/A$1.54 billionN/A10/24/2025Q3 2025AONAON$2.89N/AN/AN/A$3.97 billionN/A10/23/2025Q3 2025AJGArthur J. Gallagher & Co.$2.45N/AN/AN/AN/AN/A10/16/2025Q3 2025MMCMarsh & McLennan Companies$1.80N/AN/AN/A$6.34 billionN/A7/31/2025Q2 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.$2.600.86%N/A36.93%15 YearsAONAON$2.980.84%N/A24.96%N/ABROBrown & Brown$0.600.64%N/A17.29%N/AMMCMarsh & McLennan Companies$3.601.80%N/A43.17%15 YearsLatest BRO, MMC, AJG, and AON DividendsAnnouncementCompanyPeriodAmountYieldEx-Dividend DateRecord DatePayable Date9/17/2025MMCMarsh & McLennan Companiesquarterly$0.901.82%10/2/202510/2/202511/14/20257/30/2025AJGArthur J. Gallagher & Co.quarterly$0.650.87%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.0.521.361.36AONAON1.931.521.52BROBrown & Brown0.646.726.72MMCMarsh & 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.1.30%AONAON1.10%BROBrown & Brown15.59%MMCMarsh & McLennan Companies0.35%Compare Miscellaneous StatsCompanyEmployeesShares OutstandingFree FloatOptionableAJGArthur J. Gallagher & Co.56,000256.40 million253.07 millionOptionableAONAON60,000215.63 million213.26 millionOptionableBROBrown & Brown17,403329.84 million278.42 millionOptionableMMCMarsh & McLennan Companies90,000491.62 million489.90 millionOptionableMMC, AON, AJG, and BRO HeadlinesRecent News About These CompaniesV Square Quantitative Management LLC Sells 5,796 Shares of Marsh & McLennan Companies, Inc. $MMCSeptember 29 at 5:52 AM | marketbeat.comMarsh & McLennan's Quarterly Earnings Preview: What You Need to KnowSeptember 29 at 2:51 AM | barchart.comTBH Global Asset Management LLC Invests $766,000 in Marsh & McLennan Companies, Inc. $MMCSeptember 28 at 6:56 AM | marketbeat.comBrown Lisle Cummings Inc. Buys 5,638 Shares of Marsh & McLennan Companies, Inc. $MMCSeptember 27 at 5:24 AM | marketbeat.comMinichMacGregor Wealth Management LLC Sells 2,160 Shares of Marsh & McLennan Companies, Inc. $MMCSeptember 27 at 4:56 AM | marketbeat.comState of Alaska Department of Revenue Has $15.84 Million Stock Position in Marsh & McLennan Companies, Inc. $MMCSeptember 27 at 4:38 AM | marketbeat.comNovem Group Purchases New Holdings in Marsh & McLennan Companies, Inc. $MMCSeptember 27 at 4:19 AM | marketbeat.comPerigon Wealth Management LLC Boosts Position in Marsh & McLennan Companies, Inc. $MMCSeptember 27 at 4:19 AM | marketbeat.comMarsh & McLennan is Trading at a Discount: Should You Buy Now or Wait?September 26 at 2:00 PM | zacks.comBank Pictet & Cie Europe AG Acquires 8,527 Shares of Marsh & McLennan Companies, Inc. $MMCSeptember 26 at 3:58 AM | marketbeat.comBanque Pictet & Cie SA Trims Stake in Marsh & McLennan Companies, Inc. $MMCSeptember 26 at 3:58 AM | marketbeat.comMarsh & McLennan Companies, Inc. $MMC Stake Trimmed by TD Private Client Wealth LLCSeptember 26 at 3:58 AM | marketbeat.comMcAdam LLC Boosts Holdings in Marsh & McLennan Companies, Inc. $MMCSeptember 25, 2025 | marketbeat.comMarsh & McLennan Companies, Inc. $MMC Shares Sold by Fifth Third BancorpSeptember 25, 2025 | marketbeat.comMarsh & McLennan Companies, Inc. $MMC Holdings Raised by Public Employees Retirement System of OhioSeptember 24, 2025 | marketbeat.comMarsh & McLennan Companies, Inc. $MMC Shares Bought by Financial Management Professionals Inc.September 24, 2025 | marketbeat.comExploring Marsh McLennan (MMC) Valuation After Recent Stock Pullback and Long-Term Growth TrendsSeptember 23, 2025 | finance.yahoo.comCompagnie Lombard Odier SCmA Buys 104,484 Shares of Marsh & McLennan Companies, Inc. $MMCSeptember 23, 2025 | marketbeat.comPark Avenue Securities LLC Makes New Investment in Marsh & McLennan Companies, Inc. $MMCSeptember 23, 2025 | marketbeat.comUMB Bank n.a. Boosts Stock Holdings in Marsh & McLennan Companies, Inc. $MMCSeptember 21, 2025 | marketbeat.comAnnex Advisory Services LLC Increases Stake in Marsh & McLennan Companies, Inc. $MMCSeptember 21, 2025 | marketbeat.comNew MarketBeat Followers Over TimeMedia Sentiment Over TimeMMC, AON, AJG, and BRO Company DescriptionsArthur J. Gallagher & Co. NYSE:AJG$304.12 -0.04 (-0.01%) As of 02:52 PM Eastern This is a fair market value 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$353.95 -2.13 (-0.60%) As of 02:52 PM Eastern This is a fair market value 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$93.14 -0.64 (-0.69%) As of 02:52 PM Eastern This is a fair market value 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$199.36 -0.20 (-0.10%) As of 02:52 PM Eastern This is a fair market value 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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