ICON - 15 Year Stock Price History | ICLR

Historical daily share price chart and data for ICON since 2011 adjusted for splits and dividends. The latest closing stock price for ICON as of September 15, 2026 is 172.45.
  • The all-time high ICON stock closing price was 346.20 on July 16, 2024.
  • The ICON 52-week high stock price is 203.91, which is 18.2% above the current share price.
  • The ICON 52-week low stock price is 66.57, which is 61.4% below the current share price.
  • The average ICON stock price for the last 52 weeks is 152.81.
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ICON Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2026 142.6314 188.6700 202.9200 80.0800 172.4500 -5.36%
2025 170.1351 212.6300 222.5800 126.6200 182.2200 -13.11%
2024 289.0992 280.8100 346.2000 187.2200 209.7100 -25.92%
2023 236.5612 193.5900 285.7600 183.1200 283.0700 45.72%
2022 222.5481 296.0300 296.0300 173.9000 194.2500 -37.28%
2021 234.5228 192.0200 309.7000 171.8700 309.7000 58.84%
2020 174.4277 169.5300 214.0800 115.9500 194.9800 13.21%
2019 146.2223 127.7400 172.2300 121.3000 172.2300 33.29%
2018 130.3122 114.4800 153.7500 103.8200 129.2100 15.21%
2017 98.0201 74.7100 123.0500 74.7100 112.1500 49.14%
2016 72.8944 74.5900 85.0400 63.0000 75.2000 -3.22%
2015 69.1203 51.6100 83.2800 51.6100 77.7000 52.38%
2014 48.3587 39.9600 58.0700 37.9200 50.9900 26.16%
2013 35.3456 28.2000 43.7800 27.2500 40.4160 45.59%
2012 23.0092 17.2700 28.5400 17.0600 27.7600 62.24%
Sector Industry Market Cap Revenue
Medical Medical Services $12.935B $8.251B
ICON plc is a global full service clinical research organisation. The company provides contract clinical research services to the pharmaceutical industry worldwide.
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