Weighted Average Number of Shares Outstanding, Basic of ICON PLC from 31 Mar 2010 to 30 Sep 2025

Taxonomy & unit
us-gaap: shares
Description
Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.
Summary
ICON PLC quarterly and annual Weighted Average Number of Shares Outstanding, Basic in shares history and change rate from 31 Mar 2010 to 30 Sep 2025.
  • ICON PLC Weighted Average Number of Shares Outstanding, Basic for the quarter ending 30 Sep 2025 was 77,373,534, a 6.6% decline year-over-year.
  • ICON PLC annual Weighted Average Number of Shares Outstanding, Basic for 2024 was 82,482,764, a 0.46% increase from 2023.
  • ICON PLC annual Weighted Average Number of Shares Outstanding, Basic for 2023 was 82,101,813, a 0.7% increase from 2022.
  • ICON PLC annual Weighted Average Number of Shares Outstanding, Basic for 2022 was 81,532,320, a 21% increase from 2021.
Source SEC data
View on sec.gov
Weighted Average Number of Shares Outstanding, Basic, Quarterly (shares)
Weighted Average Number of Shares Outstanding, Basic, YoY Quarterly Change (%)
Weighted Average Number of Shares Outstanding, Basic, Annual (shares)
Weighted Average Number of Shares Outstanding, Basic, YoY Annual Change (%)

ICON PLC Quarterly Weighted Average Number of Shares Outstanding, Basic (shares)

Period TTM Value Value YoY Chg Change % Start Date End Date Report Filed Fiscal Year Fiscal Period
Q3 2025 77,373,534 -5,457,766 -6.6% 01 Jul 2025 30 Sep 2025 6-K 23 Oct 2025 2025 Q3
Q2 2025 79,245,448 -3,493,317 -4.2% 01 Apr 2025 30 Jun 2025 6-K 24 Jul 2025 2025 Q2
Q1 2025 80,552,734 -2,026,469 -2.5% 01 Jan 2025 31 Mar 2025 6-K 02 May 2025 2025 Q1
Q4 2024 82,482,764 +380,951 +0.46% 01 Oct 2024 31 Dec 2024 20-F 21 Feb 2025 2024 FY
Q3 2024 82,831,300 +615,673 +0.75% 01 Jul 2024 30 Sep 2024 6-K 23 Oct 2025 2025 Q3
Q2 2024 82,738,765 +739,019 +0.9% 01 Apr 2024 30 Jun 2024 6-K 24 Jul 2025 2025 Q2
Q1 2024 82,579,203 +794,814 +0.97% 01 Jan 2024 31 Mar 2024 6-K 02 May 2025 2025 Q1
Q4 2023 82,101,813 +569,493 +0.7% 01 Oct 2023 31 Dec 2023 20-F 21 Feb 2025 2024 FY
Q3 2023 82,215,627 +633,252 +0.78% 01 Jul 2023 30 Sep 2023 6-K 25 Oct 2024 2024 Q3
Q2 2023 81,999,746 +601,675 +0.74% 01 Apr 2023 30 Jun 2023 6-K 25 Jul 2024 2024 Q2
Q1 2023 81,784,389 +321,086 +0.39% 01 Jan 2023 31 Mar 2023 6-K 25 Apr 2024 2024 Q1
Q4 2022 81,532,320 +14,422,134 +21% 01 Oct 2022 31 Dec 2022 20-F 21 Feb 2025 2024 FY
Q3 2022 81,582,375 +810,978 +1% 01 Jul 2022 30 Sep 2022 6-K 27 Oct 2023 2023 Q3
Q2 2022 81,398,071 +28,488,703 +54% 01 Apr 2022 30 Jun 2022 6-K 28 Jul 2023 2023 Q2
Q1 2022 81,463,303 +28,651,843 +54% 01 Jan 2022 31 Mar 2022 6-K 28 Apr 2023 2023 Q1
Q4 2021 67,110,186 +14,250,275 +27% 01 Oct 2021 31 Dec 2021 20-F 23 Feb 2024 2023 FY
Q3 2021 80,771,397 +28,034,098 +53% 01 Jul 2021 30 Sep 2021 6-K 04 Nov 2022 2022 Q3
Q2 2021 52,909,368 +339,264 +0.64% 01 Apr 2021 30 Jun 2021 6-K 29 Jul 2022 2022 Q2
Q1 2021 52,811,460 -536,895 -1% 01 Jan 2021 31 Mar 2021 6-K 29 Apr 2022 2022 Q1
Q4 2020 52,859,911 -999,626 -1.9% 01 Oct 2020 31 Dec 2020 20-F 24 Feb 2023 2022 FY
Q3 2020 52,737,299 -1,267,664 -2.3% 01 Jul 2020 30 Sep 2020 6-K 09 Nov 2021 2021 Q3
Q2 2020 52,570,104 -1,387,342 -2.6% 01 Apr 2020 30 Jun 2020 6-K 23 Jul 2021 2021 Q2
Q1 2020 53,348,355 -497,052 -0.92% 01 Jan 2020 31 Mar 2020 6-K 30 Apr 2021 2021 Q1
Q4 2019 53,859,537 -259,227 -0.48% 01 Oct 2019 31 Dec 2019 20-F 01 Mar 2022 2021 FY
Q3 2019 54,004,963 -363,693 -0.67% 01 Jul 2019 30 Sep 2019 6-K 23 Oct 2020 2020 Q3
Q2 2019 53,957,446 -152,256 -0.28% 01 Apr 2019 30 Jun 2019 6-K 24 Jul 2020 2020 Q2
Q1 2019 53,845,407 -80,153 -0.15% 01 Jan 2019 31 Mar 2019 6-K 27 Apr 2020 2020 Q1
Q4 2018 54,118,764 -10,675 -0.02% 01 Oct 2018 31 Dec 2018 20-F 24 Feb 2021 2020 FY
Q3 2018 54,368,656 +259,090 +0.48% 01 Jul 2018 30 Sep 2018 6-K 08 Nov 2019 2019 Q3
Q2 2018 54,109,702 +263,158 +0.49% 01 Apr 2018 30 Jun 2018 6-K 01 Aug 2019 2019 Q2
Q1 2018 53,925,560 -447,371 -0.82% 01 Jan 2018 31 Mar 2018 6-K 03 May 2019 2019 Q1
Q4 2017 54,129,439 -1,119,461 -2% 01 Oct 2017 31 Dec 2017 20-F 27 Feb 2020 2019 FY
Q3 2017 54,109,566 -1,625,207 -2.9% 01 Jul 2017 30 Sep 2017 6-K 31 Oct 2018 2018 Q3
Q2 2017 53,846,544 -1,472,379 -2.7% 01 Apr 2017 30 Jun 2017 6-K 03 Aug 2018 2018 Q2
Q1 2017 54,372,931 -638,088 -1.2% 01 Jan 2017 31 Mar 2017 6-K 11 May 2018 2018 Q1
Q4 2016 55,248,900 -3,498,035 -6% 01 Oct 2016 31 Dec 2016 20-F 01 Mar 2019 2018 FY
Q3 2016 55,734,773 -2,925,009 -5% 01 Jul 2016 30 Sep 2016 6-K 26 Oct 2017 2017 Q3
Q2 2016 55,318,923 -4,926,059 -8.2% 01 Apr 2016 30 Jun 2016 6-K 27 Jul 2017 2017 Q2
Q1 2016 55,011,019 -5,270,040 -8.7% 01 Jan 2016 31 Mar 2016 6-K 27 Apr 2017 2017 Q1
Q4 2015 58,746,935 -2,749,180 -4.5% 01 Oct 2015 31 Dec 2015 20-F 28 Feb 2018 2017 FY
Q3 2015 58,659,782 -3,218,647 -5.2% 01 Jul 2015 30 Sep 2015 6-K 24 Oct 2016 2016 Q3
Q2 2015 60,244,982 -1,689,941 -2.7% 26 Mar 2015 30 Jun 2015 6-K 26 Jul 2016 2016 Q2
Q1 2015 60,281,059 -1,495,584 -2.4% 01 Jan 2015 31 Mar 2015 6-K 04 May 2016 2016 Q1
Q4 2014 61,496,115 +588,841 +0.97% 01 Oct 2014 31 Dec 2014 20-F 28 Feb 2017 2016 FY
Q3 2014 61,878,429 +809,169 +1.3% 01 Jul 2014 30 Sep 2014 6-K 06 Nov 2015 2015 Q3
Q2 2014 61,934,923 +1,210,627 +2% 01 Apr 2014 30 Jun 2014 6-K 06 Aug 2015 2015 Q2
Q1 2014 61,776,643 +1,372,401 +2.3% 01 Jan 2014 31 Mar 2014 6-K 15 May 2015 2015 Q1
Q4 2013 60,907,274 +939,100 +1.6% 01 Oct 2013 31 Dec 2013 20-F 23 Mar 2016 2015 FY
Q3 2013 61,069,260 +1,315,250 +2.2% 01 Jul 2013 30 Sep 2013 6-K 29 Oct 2014 2014 Q3
Q2 2013 60,724,296 +745,787 +1.2% 01 Apr 2013 30 Jun 2013 6-K 14 Aug 2014 2014 Q2
Q1 2013 60,404,242 +318,138 +0.53% 01 Jan 2013 31 Mar 2013 6-K 14 May 2014 2014 Q1
Q4 2012 59,968,174 -411,164 -0.68% 01 Oct 2012 31 Dec 2012 20-F 12 Mar 2015 2014 FY
Q3 2012 59,754,010 -717,975 -1.2% 01 Jul 2012 30 Sep 2012 6-K 07 Nov 2013 2013 Q3
Q2 2012 59,978,509 -412,279 -0.68% 01 Apr 2012 30 Jun 2012 6-K 02 Aug 2013 2013 Q2
Q1 2012 60,086,104 -196,974 -0.33% 01 Jan 2012 31 Mar 2012 6-K 02 May 2013 2013 Q1
Q4 2011 60,379,338 +660,404 +1.1% 01 Oct 2011 31 Dec 2011 20-F 12 Mar 2014 2013 FY
Q3 2011 60,471,985 +531,940 +0.89% 01 Jul 2011 30 Sep 2011 6-K 26 Nov 2012 2012 Q3
Q2 2011 60,390,788 +723,153 +1.2% 01 Apr 2011 30 Jun 2011 6-K 03 Aug 2012 2012 Q2
Q1 2011 60,283,078 +1,160,428 +2% 01 Jan 2011 31 Mar 2011 6-K 26 Apr 2012 2012 Q1
Q4 2010 59,718,934 01 Oct 2010 31 Dec 2010 20-F 06 Mar 2013 2012 FY
Q3 2010 59,940,045 01 Jul 2010 30 Sep 2010 6-K 10 Nov 2011 2011 Q3
Q2 2010 59,667,635 01 Apr 2010 30 Jun 2010 6-K 22 Jul 2011 2011 Q2
Q1 2010 59,122,650 01 Jan 2010 31 Mar 2010 6-K 21 Apr 2011 2011 Q1

ICON PLC Annual Weighted Average Number of Shares Outstanding, Basic (shares)

Period Value YoY Chg Change % Start Date End Date Report Filed Fiscal Year Fiscal Period
2024 82,482,764 +380,951 +0.46% 01 Jan 2024 31 Dec 2024 20-F 21 Feb 2025 2024 FY
2023 82,101,813 +569,493 +0.7% 01 Jan 2023 31 Dec 2023 20-F 21 Feb 2025 2024 FY
2022 81,532,320 +14,422,134 +21% 01 Jan 2022 31 Dec 2022 20-F 21 Feb 2025 2024 FY
2021 67,110,186 +14,250,275 +27% 01 Jan 2021 31 Dec 2021 20-F 23 Feb 2024 2023 FY
2020 52,859,911 -999,626 -1.9% 01 Jan 2020 31 Dec 2020 20-F 24 Feb 2023 2022 FY
2019 53,859,537 -259,227 -0.48% 01 Jan 2019 31 Dec 2019 20-F 01 Mar 2022 2021 FY
2018 54,118,764 -10,675 -0.02% 01 Jan 2018 31 Dec 2018 20-F 24 Feb 2021 2020 FY
2017 54,129,439 -1,119,461 -2% 01 Jan 2017 31 Dec 2017 20-F 27 Feb 2020 2019 FY
2016 55,248,900 -3,498,035 -6% 01 Jan 2016 31 Dec 2016 20-F 01 Mar 2019 2018 FY
2015 58,746,935 -2,749,180 -4.5% 01 Jan 2015 31 Dec 2015 20-F 28 Feb 2018 2017 FY
2014 61,496,115 +588,841 +0.97% 01 Jan 2014 31 Dec 2014 20-F 28 Feb 2017 2016 FY
2013 60,907,274 +939,100 +1.6% 01 Jan 2013 31 Dec 2013 20-F 23 Mar 2016 2015 FY
2012 59,968,174 -411,164 -0.68% 01 Jan 2012 31 Dec 2012 20-F 12 Mar 2015 2014 FY
2011 60,379,338 +660,404 +1.1% 01 Jan 2011 31 Dec 2011 20-F 12 Mar 2014 2013 FY
2010 59,718,934 01 Jan 2010 31 Dec 2010 20-F 06 Mar 2013 2012 FY
* An asterisk sign (*) next to the value indicates that the value is likely invalid.