Marsh & McLennan Companies (MMC) Stock Chart & Stock Price History $229.51 +1.04 (+0.45%) Closing price 05/23/2025 03:59 PM EasternExtended Trading$229.71 +0.20 (+0.09%) As of 05/23/2025 04:26 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. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Marsh & McLennan Companies Stock Price Performance The Marsh & McLennan Companies (MMC) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 10.40%, with a year-to-date return of 8.05%. In the past month, the stock has increased 4.80%, reflecting recent market activity. As of the latest close, Marsh & McLennan Companies traded at $229.51 with a market cap of $113.08 billion and volume of 1.51 million shares. Five years ago, the stock traded at $104.50, representing a 119.62% increase over that period. At the time, it had a market cap of $52.63 billion and a volume of 1.87 million shares. Receive MMC Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Marsh & McLennan Companies and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance-0.96%1 Month Performance+4.80%3 Month Performance-1.34%Year-To-Date Performance+8.05%1 Year Performance+10.40%5 Year Performance+119.62% MMC Stock Chart for Saturday, May, 24, 2025 MMC Chart by TradingView Marsh & McLennan Companies Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame * Start Date * End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization05/23/2025$228.47$229.51+0.45%$230.45$226.931.51 million shs$113.08 billion05/22/2025$229.03$228.47-0.25%$229.99$226.021.66 million shs$112.57 billion05/21/2025$230.80$229.03-0.77%$232.15$228.851.65 million shs$112.85 billion05/20/2025$231.74$230.80-0.41%$232.43$230.011.48 million shs$113.72 billion05/19/2025$231.44$231.74+0.13%$232.85$230.851.21 million shs$114.18 billion05/16/2025$227.14$231.44+1.89%$231.90$226.802.42 million shs$114.04 billion05/15/2025$222.55$227.14+2.06%$227.39$223.272.30 million shs$111.92 billion05/14/2025$224.13$222.55-0.70%$224.63$219.802.34 million shs$109.66 billion05/13/2025$227.04$224.13-1.28%$228.95$223.572.98 million shs$110.44 billion05/12/2025$226.79$227.04+0.11%$227.25$222.211.66 million shs$111.87 billion Get the Latest News and Ratings for MMC and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Marsh & McLennan Companies and its competitors with MarketBeat's FREE daily newsletter. 05/09/2025$228.59$226.79-0.79%$228.52$226.601.53 million shs$111.75 billion05/08/2025$228.12$228.59+0.20%$231.26$227.831.89 million shs$112.63 billion05/07/2025$226.90$228.12+0.54%$229.05$226.701.68 million shs$112.40 billion05/06/2025$226.56$226.90+0.15%$227.55$224.841.69 million shs$111.80 billion05/05/2025$227.21$226.56-0.29%$227.12$223.481.50 million shs$111.63 billion05/02/2025$224.11$227.21+1.38%$227.57$224.721.36 million shs$111.95 billion05/01/2025$225.69$224.11-0.70%$225.61$221.192.31 million shs$110.43 billion04/30/2025$222.23$225.69+1.56%$226.28$219.243.26 million shs$111.20 billion04/29/2025$220.51$222.23+0.78%$222.30$217.872.06 million shs$109.50 billion04/28/2025$219.37$220.51+0.52%$221.64$219.442.20 million shs$108.65 billion04/25/2025$219.00$219.37+0.17%$219.72$212.203.17 million shs$108.13 billion04/24/2025$219.22$219.00-0.10%$219.13$215.451.79 million shs$107.95 billion04/23/2025$219.61$219.22-0.18%$221.79$217.822.17 million shs$108.05 billion Related Companies Arthur J. 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