ICON plc (ICLR)

Showing Closing Date Range from Oct 19, 2025 to Oct 19, 2026 compared to Oct 18, 2024 to Oct 18, 2025.

Compare Last 12 Months with Previous Period

Current Period Close
$168.14
Oct 19, 2025 - Oct 19, 2026
Previous Period Close
$185.06
Oct 18, 2024 - Oct 18, 2025
Net Comparison Delta
$-16.92 (-9.14%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(247 dates)
Current DateCurrent ClosePrevious DatePrevious CloseDelta (%)
Oct 19, 2026$168.14Oct 14, 2025$185.91-9.56%
Oct 16, 2026$170.18Oct 13, 2025$186.05-8.53%
Oct 15, 2026$175.13Oct 10, 2025$183.49-4.56%
Oct 14, 2026$168.97Oct 09, 2025$187.71-9.98%
Oct 13, 2026$164.34Oct 08, 2025$186.48-11.87%
Oct 12, 2026$164.40Oct 07, 2025$186.65-11.92%
Oct 09, 2026$164.17Oct 06, 2025$190.43-13.79%
Oct 08, 2026$164.50Oct 03, 2025$193.89-15.16%
Oct 07, 2026$164.08Oct 02, 2025$192.96-14.97%
Oct 06, 2026$161.69Oct 01, 2025$192.31-15.92%
Oct 05, 2026$168.33Sep 30, 2025$175.00-3.81%
Oct 02, 2026$162.05Sep 29, 2025$163.44-0.85%
Sep 25, 2026$174.31Sep 26, 2025$163.79+6.42%
Sep 24, 2026$173.90Sep 25, 2025$162.53+7.00%
Sep 23, 2026$163.90Sep 24, 2025$167.49-2.14%
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