Icon (ICLR) Stock Chart & Stock Price History $166.44 -2.75 (-1.63%) Closing price 08/1/2025 04:00 PM EasternExtended Trading$166.46 +0.02 (+0.01%) As of 08/1/2025 07:32 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 47.51%, with a year-to-date return of -20.63%. In the past month, the stock has increased 10.36%, reflecting recent market activity. As of the latest close, Icon traded at $166.44 with a market cap of $13.44 billion and volume of 1.13 million shares. Five years ago, the stock traded at $185.46, representing a 10.26% decrease over that period. At the time, it had a market cap of $9.86 billion and a volume of 107,740 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-12.24%1 Month Performance+10.36%3 Month Performance+16.42%Year-To-Date Performance-20.63%1 Year Performance-47.51%5 Year Performance-10.26% ICLR Stock Chart for Saturday, August, 2, 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 Capitalization08/01/2025$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 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. 07/18/2025$146.88$143.54-2.27%$148.73$142.471.60 million shs$11.59 billion07/17/2025$144.04$146.88+1.97%$147.66$142.161.76 million shs$11.86 billion07/16/2025$145.58$144.04-1.06%$148.83$142.691.13 million shs$11.63 billion07/15/2025$149.52$145.58-2.64%$153.62$145.471.25 million shs$11.76 billion07/14/2025$150.52$149.52-0.66%$150.94$148.451.24 million shs$12.08 billion07/11/2025$152.07$150.52-1.02%$151.29$148.031.01 million shs$12.16 billion07/10/2025$150.53$152.07+1.02%$155.90$149.881.51 million shs$12.28 billion07/09/2025$151.58$150.53-0.69%$155.38$148.59865,630 shs$12.16 billion07/08/2025$147.59$151.58+2.70%$153.05$148.121.08 million shs$12.24 billion07/07/2025$150.06$147.59-1.64%$150.24$146.561.12 million shs$11.92 billion07/04/2025$150.06$150.06$154.05$149.57486,301 shs$12.12 billion07/03/2025$150.82$150.06-0.51%$154.05$149.57486,301 shs$12.12 billion07/02/2025$148.88$150.82+1.30%$151.39$146.35656,189 shs$12.18 billion07/01/2025$145.45$148.88+2.36%$155.25$144.291.21 million shs$12.02 billion Related Companies MEDP Stock Price Chart CRL Stock Price Chart IQV Stock Price Chart TMO Stock Price Chart WCN Stock Price Chart TCOM Stock Price Chart RDDT Stock Price Chart TOST Stock Price Chart CPAY Stock Price Chart GIB 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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