Annual Operating Margin:
14.51%+1.47%(+11.27%)Summary
- As of today, ICLR annual operating profit margin is 14.51%, with the most recent change of +1.47% (+11.27%) on December 31, 2024.
 - During the last 3 years, ICLR annual operating margin has risen by +3.68% (+33.98%).
 - ICLR annual operating margin is now -26.64% below its all-time high of 19.78%, reached on December 31, 2017.
 
Performance
ICLR Operating Margin Chart
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Quarterly Operating Margin:
12.67%-0.16%(-1.25%)Summary
- As of today, ICLR quarterly operating profit margin is 12.67%, with the most recent change of -0.16% (-1.25%) on September 30, 2025.
 - Over the past year, ICLR quarterly operating margin has dropped by -1.78% (-12.32%).
 - ICLR quarterly operating margin is now -36.11% below its all-time high of 19.83%, reached on March 31, 2017.
 
Performance
ICLR Quarterly Operating Margin Chart
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Operating Margin Formula
Operating Profit Margin =  Operating Profit 
Revenue ✕ 100%
Revenue ✕ 100%
ICLR Operating Margin Trends
| PeriodPeriod | AnnualAnnual | QuarterlyQuarterly | 
|---|---|---|
| 1Y1 Year | +11.3% | -12.3% | 
| 3Y3 Years | +34.0% | -4.6% | 
| 5Y5 Years | -6.2% | -18.0% | 
ICLR Operating Margin Highs & Lows
| PeriodPeriod | Annual vs HighAnnual vs High | Annual vs LowAnnual vs Low | Quarter. vs HighQuarter. vs High | Quarter. vs LowQuarter. vs Low | |
|---|---|---|---|---|---|
| 3Y | 3-Year | at high | +34.0% | -26.4% | +17.1% | 
| 5Y | 5-Year | -6.2% | +34.0% | -26.4% | +46.8% | 
| All-Time | All-Time | -26.6% | +249.6% | -36.1% | +106.9% | 
ICLR Operating Margin History
| Date | Annual | Quarterly | 
|---|---|---|
| Sep 2025 | -  | 12.67%(-1.2%)  | 
| Jun 2025 | -  | 12.83%(-2.9%)  | 
| Mar 2025 | -  | 13.21%(-23.2%)  | 
| Dec 2024 | 14.51%(+11.3%)  | 17.21%(+19.1%)  | 
| Sep 2024 | -  | 14.45%(+8.5%)  | 
| Jun 2024 | -  | 13.32%(-4.8%)  | 
| Mar 2024 | -  | 13.99%(+5.0%)  | 
| Dec 2023 | 13.04%(+20.2%)  | 13.32%(-0.4%)  | 
| Sep 2023 | -  | 13.37%(+4.8%)  | 
| Jun 2023 | -  | 12.76%(+6.2%)  | 
| Mar 2023 | -  | 12.02%(+11.1%)  | 
| Dec 2022 | 10.85%(+0.2%)  | 10.82%(-18.5%)  | 
| Sep 2022 | -  | 13.28%(+22.8%)  | 
| Jun 2022 | -  | 10.81%(+10.2%)  | 
| Mar 2022 | -  | 9.81%(-0.3%)  | 
| Dec 2021 | 10.83%(-27.1%)  | 9.84%(+14.0%)  | 
| Sep 2021 | -  | 8.63%(-33.4%)  | 
| Jun 2021 | -  | 12.96%(-4.1%)  | 
| Mar 2021 | -  | 13.52%(-14.3%)  | 
| Dec 2020 | 14.86%(-3.9%)  | 15.77%(+2.1%)  | 
| Sep 2020 | -  | 15.45%(+27.7%)  | 
| Jun 2020 | -  | 12.10%(-18.6%)  | 
| Mar 2020 | -  | 14.86%(-6.5%)  | 
| Dec 2019 | 15.47%(+5.1%)  | 15.90%(+2.6%)  | 
| Sep 2019 | -  | 15.49%(+1.5%)  | 
| Jun 2019 | -  | 15.26%(+1.0%)  | 
| Mar 2019 | -  | 15.11%(+0.8%)  | 
| Dec 2018 | 14.72%(-25.6%)  | 14.99%(+0.3%)  | 
| Sep 2018 | -  | 14.95%(+1.6%)  | 
| Jun 2018 | -  | 14.71%(-0.5%)  | 
| Mar 2018 | -  | 14.79%(-25.0%)  | 
| Dec 2017 | 19.78%(+2.4%)  | 19.72%(+2.2%)  | 
| Sep 2017 | -  | 19.29%(+4.3%)  | 
| Jun 2017 | -  | 18.50%(-6.7%)  | 
| Mar 2017 | -  | 19.83%(+2.0%)  | 
| Dec 2016 | 19.32%(+9.5%)  | 19.45%(+0.7%)  | 
| Sep 2016 | -  | 19.32%(+1.7%)  | 
| Jun 2016 | -  | 19.00%(+0.1%)  | 
| Mar 2016 | -  | 18.98%(+1.6%)  | 
| Dec 2015 | 17.65%(+29.3%)  | 18.68%(+3.3%)  | 
| Sep 2015 | -  | 18.08%(+3.1%)  | 
| Jun 2015 | -  | 17.53%(+2.1%)  | 
| Mar 2015 | -  | 17.17%(+10.8%)  | 
| Dec 2014 | 13.65%(+41.5%)  | 15.49%(+1.0%)  | 
| Sep 2014 | -  | 15.33%(+19.4%)  | 
| Jun 2014 | -  | 12.84%(+4.4%)  | 
| Mar 2014 | -  | 12.30%(+9.7%)  | 
| Dec 2013 | 9.65%(+48.5%)  | 11.21%(+14.9%)  | 
| Sep 2013 | -  | 9.76%(+5.5%)  | 
| Jun 2013 | -  | 9.25%(+6.9%)  | 
| Mar 2013 | -  | 8.65%(+6.4%)  | 
| Dec 2012 | 6.50%  | 8.13%(+11.2%)  | 
| Date | Annual | Quarterly | 
|---|---|---|
| Sep 2012 | -  | 7.31%(+21.6%)  | 
| Jun 2012 | -  | 6.01%(+29.2%)  | 
| Mar 2012 | -  | 4.65%(+69.7%)  | 
| Dec 2011 | 4.15%(-59.4%)  | 2.74%(+483.0%)  | 
| Sep 2011 | -  | 0.47%(-92.9%)  | 
| Jun 2011 | -  | 6.65%(-4.6%)  | 
| Mar 2011 | -  | 6.97%(-26.6%)  | 
| Dec 2010 | 10.23%(-21.9%)  | 9.49%(+21.2%)  | 
| Sep 2010 | -  | 7.83%(-31.8%)  | 
| Jun 2010 | -  | 11.48%(-6.1%)  | 
| Mar 2010 | -  | 12.22%(-6.6%)  | 
| Dec 2009 | 13.10%(+16.8%)  | 13.08%(-5.2%)  | 
| Sep 2009 | -  | 13.80%(+10.0%)  | 
| Jun 2009 | -  | 12.55%(+0.6%)  | 
| Mar 2009 | -  | 12.47%(+3.7%)  | 
| Dec 2008 | 11.22%(-6.3%)  | 12.02%(-0.1%)  | 
| Sep 2008 | -  | 12.03%(+7.7%)  | 
| Jun 2008 | -  | 11.17%(+4.6%)  | 
| Mar 2008 | -  | 10.68%(-2.5%)  | 
| Dec 2007 | 11.97%(+10.5%)  | 10.95%(-2.3%)  | 
| Sep 2007 | -  | 11.21%(+2.7%)  | 
| Jun 2007 | -  | 10.92%(+1.1%)  | 
| Mar 2007 | -  | 10.80%(+0.9%)  | 
| Dec 2006 | 10.83%(+89.3%)  | 10.70%(+2.4%)  | 
| Sep 2006 | -  | 10.45%(+22.2%)  | 
| Dec 2005 | 5.72%(-50.6%)  | -  | 
| May 2005 | -  | 8.55%(+235.3%)  | 
| Feb 2005 | -  | -6.32%(-171.7%)  | 
| Nov 2004 | -  | 8.82%(-27.2%)  | 
| Aug 2004 | -  | 12.11%(+37.1%)  | 
| May 2004 | 11.58%(-2.9%)  | 8.83%(-22.5%)  | 
| Feb 2004 | -  | 11.39%(-0.3%)  | 
| Nov 2003 | -  | 11.43%(+3.3%)  | 
| Aug 2003 | -  | 11.06%(+1.8%)  | 
| May 2003 | 11.92%(+2.5%)  | 10.86%(+4.1%)  | 
| Feb 2003 | -  | 10.43%(-11.2%)  | 
| Nov 2002 | -  | 11.75%(+5.5%)  | 
| Aug 2002 | -  | 11.14%(-4.9%)  | 
| May 2002 | 11.63%(+22.0%)  | 11.71%(-0.1%)  | 
| Feb 2002 | -  | 11.72%(+0.5%)  | 
| Nov 2001 | -  | 11.66%(+2.9%)  | 
| Aug 2001 | -  | 11.33%(+6.0%)  | 
| May 2001 | 9.53%(+18.5%)  | 10.69%(+14.1%)  | 
| Feb 2001 | -  | 9.37%(+3.4%)  | 
| Nov 2000 | -  | 9.06%(+2.3%)  | 
| Aug 2000 | -  | 8.86%(-16.3%)  | 
| May 2000 | 8.04%(-31.0%)  | 10.58%(-4.0%)  | 
| Feb 2000 | -  | 11.02%(+4.4%)  | 
| Nov 1999 | -  | 10.56%(+24.2%)  | 
| Aug 1999 | -  | 8.50%(+104.6%)  | 
| May 1999 | 11.65%(-15.2%)  | -184.45%  | 
| May 1998 | 13.74%  | -  | 
FAQ
- What is ICON Public Limited Company annual operating profit margin?
 - What is the all-time high annual operating margin for ICON Public Limited Company?
 - What is ICON Public Limited Company annual operating margin year-on-year change?
 - What is ICON Public Limited Company quarterly operating profit margin?
 - What is the all-time high quarterly operating margin for ICON Public Limited Company?
 - What is ICON Public Limited Company quarterly operating margin year-on-year change?
 
What is ICON Public Limited Company annual operating profit margin?
The current annual operating margin of ICLR is 14.51%
What is the all-time high annual operating margin for ICON Public Limited Company?
ICON Public Limited Company all-time high annual operating profit margin is 19.78%
What is ICON Public Limited Company annual operating margin year-on-year change?
Over the past year, ICLR annual operating profit margin has changed by +1.47% (+11.27%)
What is ICON Public Limited Company quarterly operating profit margin?
The current quarterly operating margin of ICLR is 12.67%
What is the all-time high quarterly operating margin for ICON Public Limited Company?
ICON Public Limited Company all-time high quarterly operating profit margin is 19.83%
What is ICON Public Limited Company quarterly operating margin year-on-year change?
Over the past year, ICLR quarterly operating profit margin has changed by -1.78% (-12.32%)