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.$281.89-1.9%$319.08$274.25▼$351.23$72.16B0.711.54 million shs1.52 million shsAONAON$352.70-0.6%$358.15$322.95▼$412.97$75.99B0.841.33 million shs798,339 shsBROBrown & Brown$91.69+0.4%$107.39$90.55▼$125.68$30.23B0.822.53 million shs1.98 million shsMMCMarsh & McLennan Companies$197.80-0.7%$217.26$196.27▼$248.00$97.25B0.82.27 million shs2.11 million shsThe 10 Best AI Stocks to Own in 2025Wondering where to start (or end) with AI stocks? These 10 simple stocks can help investors build long-term wealth as artificial intelligence continues to grow into the future.Get This Free ReportCompare Price PerformanceCompany1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year PerformanceAJGArthur J. Gallagher & Co.+0.70%-7.07%-10.07%-13.26%+1.42%AONAON+0.07%-0.52%-0.43%-0.17%+8.23%BROBrown & Brown-1.85%-11.20%-16.15%-17.39%-8.12%MMCMarsh & McLennan Companies-0.58%-4.45%-8.56%-12.35%-10.52%Compare MarketRank™CompanyOverall ScoreAnalyst's OpinionShort Interest ScoreDividend StrengthESG ScoreNews and Social Media SentimentCompany OwnershipEarnings & ValuationAJGArthur J. Gallagher & Co.4.5517 of 5 stars2.25.03.33.02.92.51.3AONAON4.3468 of 5 stars3.33.01.72.33.21.71.3BROBrown & Brown4.5126 of 5 stars3.23.01.72.52.62.51.9MMCMarsh & McLennan Companies4.6014 of 5 stars2.13.04.23.24.11.71.9Compare Analyst ForecastsCompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current PriceAJGArthur J. Gallagher & Co. 2.31Hold$329.7516.98% UpsideAONAON 2.54Moderate Buy$409.2116.02% UpsideBROBrown & Brown 2.38Hold$114.2524.60% UpsideMMCMarsh & McLennan Companies 2.21Hold$239.7921.23% UpsideCurrent Analyst Ratings BreakdownLatest BRO, MMC, AON, and AJG 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 8/1/2022 forward. View 10+ years of historical ratings with our analyst ratings screener.)Compare Sales & Book ValueCompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/BookAJGArthur J. Gallagher & Co.$11.40B6.33$12.32 per share22.88$80.78 per share3.49AONAON$15.70B4.84$18.37 per share19.20$37.14 per share9.50BROBrown & Brown$4.81B6.29$4.46 per share20.54$35.22 per share2.60MMCMarsh & McLennan Companies$24.46B3.98$10.27 per share19.26$32.50 per share6.09Compare 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$6.9140.7821.26N/A14.39%14.83%3.80%N/AAONAON$2.65B$11.9429.5218.222.1115.54%50.91%7.00%N/ABROBrown & Brown$993M$3.4726.4120.202.0419.89%15.10%6.11%N/AMMCMarsh & McLennan Companies$4.06B$8.3423.7218.872.4316.00%31.90%8.29%10/16/2025 (Estimated)Latest BRO, 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 billion7/28/2025Q2 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 billion5/1/2025Q1 2025AJGArthur J. Gallagher & Co.$3.57$3.67+$0.10$3.13$3.85 billion$3.69 billionCompare DividendsCompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive GrowthAJGArthur J. Gallagher & Co.$2.600.92%N/A37.63%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 BRO, MMC, AON, and AJG DividendsAnnouncementCompanyPeriodAmountYieldEx-Dividend DateRecord DatePayable Date7/30/2025AJGArthur J. Gallagher & Co.quarterly$0.650.91%9/5/20259/5/20259/19/20257/23/2025BROBrown & 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 millionOptionableBRO, MMC, AON, and AJG HeadlinesRecent News About These CompaniesIs the Options Market Predicting a Spike in Marsh & McLennan Companies Stock?5 hours ago | 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 at 5:43 PM | marketbeat.comBanque Cantonale Vaudoise Acquires New Position in Marsh & McLennan Companies, Inc. (NYSE:MMC)July 29 at 7:15 AM | marketbeat.comMawer Investment Management Ltd. Has $1.46 Billion Stake in Marsh & McLennan Companies, Inc. (NYSE:MMC)July 29 at 6:35 AM | 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.comHB Wealth Management LLC Has $3.86 Million Holdings in Marsh & McLennan Companies, Inc. (NYSE:MMC)July 28, 2025 | marketbeat.comMarsh & McLennan Companies, Inc. (NYSE:MMC) Shares Sold by Pacer Advisors Inc.July 28, 2025 | marketbeat.comCetera Investment Advisers Buys 11,668 Shares of Marsh & McLennan Companies, Inc. (NYSE:MMC)July 28, 2025 | marketbeat.comNew MarketBeat Followers Over TimeMedia Sentiment Over TimeTop HeadlinesView All HeadlinesSuper Micro Computer Sees Unusual Volume—Catalyst Ahead?By Gabriel Osorio-Mazilli | July 25, 2025View Super Micro Computer Sees Unusual Volume—Catalyst Ahead?Pelosi Makes Big Bet on Broadcom—Here’s Why It MattersBy Gabriel Osorio-Mazilli | July 15, 2025View Pelosi Makes Big Bet on Broadcom—Here’s Why It MattersWhy Meta’s AI Titan Clusters Are a Game-Changer for BroadcomBy Leo Miller | July 23, 2025View Why Meta’s AI Titan Clusters Are a Game-Changer for BroadcomThis Fund Manager Says You Should Get Out of Tesla and Apple—NowBy Brian O'Connell | July 16, 2025View This Fund Manager Says You Should Get Out of Tesla and Apple—NowThe Market Rally Is Gaining Momentum—Don’t Get Left BehindBy Thomas Hughes | July 17, 2025View The Market Rally Is Gaining Momentum—Don’t Get Left BehindBRO, MMC, AON, and AJG Company DescriptionsArthur J. Gallagher & Co. NYSE:AJG$281.89 -5.36 (-1.87%) As of 02:31 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$352.70 -2.27 (-0.64%) As of 02:31 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$91.69 +0.32 (+0.35%) As of 02:31 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$197.80 -1.40 (-0.70%) As of 02:31 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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