Icon (ICLR) Stock Chart & Stock Price History $186.05 +2.56 (+1.40%) Closing price 10/13/2025 04:00 PM EasternExtended Trading$180.52 -5.53 (-2.97%) As of 08:55 AM 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 37.26%, with a year-to-date return of -11.28%. In the past month, the stock has increased 6.31%, reflecting recent market activity. As of the latest close, Icon traded at $186.05 with a market cap of $15.02 billion and volume of 803,561 shares. Five years ago, the stock traded at $207.59, representing a 10.38% decrease over that period. At the time, it had a market cap of $11.13 billion and a volume of 208,703 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. Subscribe Now View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. 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Read our full terms of service and privacy policy. 5 Day Performance-0.88%1 Month Performance+6.31%3 Month Performance+24.43%Year-To-Date Performance-11.28%1 Year Performance-37.26%5 Year Performance-10.38% ICLR Stock Chart for Tuesday, October, 14, 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 Capitalization10/13/2025$183.49$186.05+1.40%$188.18$182.29803,561 shs$15.02 billion10/10/2025$187.71$183.49-2.25%$188.79$181.10540,751 shs$14.82 billion10/09/2025$186.48$187.71+0.66%$189.41$185.58484,846 shs$15.16 billion10/08/2025$186.65$186.48-0.09%$188.36$183.711.17 million shs$15.06 billion10/07/2025$190.43$186.65-1.98%$192.74$185.80640,405 shs$15.07 billion10/06/2025$193.89$190.43-1.78%$194.40$190.20653,861 shs$15.38 billion10/03/2025$192.96$193.89+0.48%$197.05$192.00756,989 shs$15.66 billion10/02/2025$192.31$192.96+0.34%$193.74$188.291.07 million shs$15.58 billion10/01/2025$175.00$192.31+9.89%$192.58$174.701.80 million shs$15.53 billion09/30/2025$163.44$175.00+7.07%$175.13$162.271.42 million shs$14.13 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. 09/29/2025$163.79$163.44-0.21%$165.36$162.04614,708 shs$13.20 billion09/26/2025$162.53$163.79+0.78%$164.65$161.64593,279 shs$13.23 billion09/25/2025$167.49$162.53-2.96%$167.40$162.411.09 million shs$13.13 billion09/24/2025$170.38$167.49-1.70%$171.92$166.93716,511 shs$13.53 billion09/23/2025$170.80$170.38-0.25%$173.01$169.40518,589 shs$13.76 billion09/22/2025$174.00$170.80-1.84%$173.89$169.77767,566 shs$13.79 billion09/19/2025$179.43$174.00-3.03%$183.46$173.191.80 million shs$14.05 billion09/18/2025$175.21$179.43+2.41%$179.51$174.62580,652 shs$14.49 billion09/17/2025$173.13$175.21+1.20%$178.17$172.79895,043 shs$14.15 billion09/16/2025$170.46$173.13+1.57%$175.52$170.871.33 million shs$13.98 billion09/15/2025$175.00$170.46-2.59%$177.00$170.351.08 million shs$13.77 billion Related Companies MEDP Stock Price Chart CRL Stock Price Chart IQV Stock Price Chart TMO Stock Price Chart TCOM Stock Price Chart WCN Stock Price Chart RDDT Stock Price Chart GRAB Stock Price Chart AER 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. This page (NASDAQ:ICLR) was last updated on 10/14/2025 by MarketBeat.com Staff From Our PartnersURGENT: The Market's 3 Red Flags Are FlashingHere’s the uncomfortable truth: The smartest investors in the world are already preparing for a crash befor...StockEarnings | SponsoredGold to $27,533?This week, U.S. gold reserves hit an unprecedented $1 TRILLION in value... 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