Icon (ICLR) Stock Chart & Stock Price History $175.83 +0.13 (+0.07%) Closing price 04:00 PM EasternExtended Trading$175.99 +0.16 (+0.09%) As of 06:49 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 ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Icon Stock Price Performance The Icon (ICLR) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 45.11%, with a year-to-date return of -16.16%. In the past month, the stock has increased 8.87%, reflecting recent market activity. As of the latest close, Icon traded at $175.70 with a market cap of $14.19 billion and volume of 1.21 million shares. Five years ago, the stock traded at $186.84, representing a 5.89% decrease over that period. At the time, it had a market cap of $10.26 billion and a volume of 220,218 shares. Receive ICLR Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Icon and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance-0.01%1 Month Performance+8.87%3 Month Performance+38.46%Year-To-Date Performance-16.16%1 Year Performance-45.11%5 Year Performance-5.89% ICLR Stock Chart for Friday, August, 22, 2025 ICLR Chart by TradingView Icon 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 Capitalization08/22/2025$175.70$175.83+0.07%$181.51$175.011.17 million shs$14.20 billion08/21/2025$180.25$175.70-2.52%$177.99$174.481.21 million shs$14.19 billion08/20/2025$179.64$180.25+0.34%$181.51$177.76987,561 shs$14.56 billion08/19/2025$178.56$179.64+0.60%$180.67$177.37901,732 shs$14.51 billion08/18/2025$175.84$178.56+1.55%$178.93$175.36867,373 shs$14.42 billion08/15/2025$175.36$175.84+0.27%$177.99$174.13892,297 shs$14.20 billion08/14/2025$176.29$175.36-0.53%$176.76$173.771.06 million shs$14.16 billion08/13/2025$169.08$176.29+4.26%$176.81$169.101.44 million shs$14.24 billion08/12/2025$159.71$169.08+5.87%$170.16$159.511.27 million shs$13.65 billion08/11/2025$158.44$159.71+0.80%$160.89$157.59899,906 shs$12.90 billion Get the Latest News and Ratings for ICLR and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Icon and its competitors with MarketBeat's FREE daily newsletter. 08/08/2025$157.85$158.44+0.37%$159.16$154.97871,142 shs$12.80 billion08/07/2025$155.42$157.85+1.56%$159.76$155.371.21 million shs$12.75 billion08/06/2025$165.98$155.42-6.36%$164.72$154.691.09 million shs$12.55 billion08/05/2025$164.80$165.98+0.72%$168.17$163.761.13 million shs$13.40 billion08/04/2025$166.44$164.80-0.99%$166.91$163.79706,803 shs$13.31 billion08/01/2025$169.19$166.44-1.63%$169.00$162.991.13 million shs$13.44 billion07/31/2025$181.50$169.19-6.78%$181.59$168.571.62 million shs$13.66 billion07/30/2025$185.21$181.50-2.00%$186.37$179.252.56 million shs$14.66 billion07/29/2025$189.66$185.21-2.35%$189.29$182.131.55 million shs$14.96 billion07/28/2025$187.01$189.66+1.42%$190.56$185.541.00 million shs$15.32 billion07/25/2025$195.01$187.01-4.10%$194.01$183.841.60 million shs$15.10 billion07/24/2025$167.89$195.01+16.15%$211.00$190.284.52 million shs$15.75 billion07/23/2025$161.50$167.89+3.96%$170.73$161.962.86 million shs$13.56 billion07/22/2025$139.63$161.50+15.66%$161.72$150.004.13 million shs$13.04 billion07/21/2025$143.54$139.63-2.72%$143.54$139.152.20 million shs$11.28 billion Related Companies MEDP Stock Price Chart CRL Stock Price Chart IQV Stock Price Chart TMO Stock Price Chart WCN Stock Price Chart RDDT Stock Price Chart TCOM Stock Price Chart CPAY Stock Price Chart TOST Stock Price Chart RBA Stock Price Chart Receive ICLR Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Icon and its competitors with MarketBeat's FREE daily newsletter. 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