Common Stock, Shares, Outstanding of PROTHENA CORP PUBLIC LTD CO from 31 Dec 2012 to 31 Dec 2025

Taxonomy & unit
us-gaap: shares
Description
Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.
Summary
PROTHENA CORP PUBLIC LTD CO quarterly Common Stock, Shares, Outstanding in shares history and change rate from 31 Dec 2012 to 31 Dec 2025.
  • PROTHENA CORP PUBLIC LTD CO Common Stock, Shares, Outstanding for the quarter ending 31 Dec 2025 was 53,832,982, a 0.01% increase year-over-year.
Source SEC data
View on sec.gov
Common Stock, Shares, Outstanding, Quarterly (shares)
Common Stock, Shares, Outstanding, YoY Quarterly Change (%)

PROTHENA CORP PUBLIC LTD CO Quarterly Common Stock, Shares, Outstanding (shares)

Period Value YoY Chg Change % Date Report Filed Fiscal Year Fiscal Period
Q4 2025 53,832,982 +6,000 +0.01% 31 Dec 2025 10-K 27 Feb 2026 2025 FY
Q3 2025 53,829,982 +21,250 +0.04% 30 Sep 2025 10-Q 06 Nov 2025 2025 Q3
Q2 2025 53,826,982 +55,137 +0.1% 30 Jun 2025 10-Q 04 Aug 2025 2025 Q2
Q1 2025 53,826,982 +106,527 +0.2% 31 Mar 2025 10-Q 08 May 2025 2025 Q1
Q4 2024 53,826,982 +144,865 +0.27% 31 Dec 2024 10-K 27 Feb 2026 2025 FY
Q3 2024 53,808,732 +170,117 +0.32% 30 Sep 2024 10-Q 12 Nov 2024 2024 Q3
Q2 2024 53,771,845 +278,378 +0.52% 30 Jun 2024 10-Q 08 Aug 2024 2024 Q2
Q1 2024 53,720,455 +1,042,277 +2% 31 Mar 2024 10-Q 08 May 2024 2024 Q1
Q4 2023 53,682,117 +1,578,509 +3% 31 Dec 2023 10-K 27 Feb 2025 2024 FY
Q3 2023 53,638,615 +5,752,860 +12% 30 Sep 2023 10-Q 02 Nov 2023 2023 Q3
Q2 2023 53,493,467 +6,683,626 +14% 30 Jun 2023 10-Q 03 Aug 2023 2023 Q2
Q1 2023 52,678,178 +5,928,412 +13% 31 Mar 2023 10-Q 04 May 2023 2023 Q1
Q4 2022 52,103,608 +5,443,314 +12% 31 Dec 2022 10-K 22 Feb 2024 2023 FY
Q3 2022 47,885,755 +1,352,508 +2.9% 30 Sep 2022 10-Q 03 Nov 2022 2022 Q3
Q2 2022 46,809,841 +1,896,817 +4.2% 30 Jun 2022 10-Q 08 Aug 2022 2022 Q2
Q1 2022 46,749,766 +2,573,974 +5.8% 31 Mar 2022 10-Q 05 May 2022 2022 Q1
Q4 2021 46,660,294 +6,738,881 +17% 31 Dec 2021 10-K 28 Feb 2023 2022 FY
Q3 2021 46,533,247 +6,611,834 +17% 30 Sep 2021 10-Q 04 Nov 2021 2021 Q3
Q2 2021 44,913,024 +5,001,611 +13% 30 Jun 2021 10-Q 05 Aug 2021 2021 Q2
Q1 2021 44,175,792 +4,264,379 +11% 31 Mar 2021 10-Q 11 May 2021 2021 Q1
Q4 2020 39,921,413 +22,852 +0.06% 31 Dec 2020 10-K 25 Feb 2022 2021 FY
Q3 2020 39,921,413 +24,852 +0.06% 30 Sep 2020 10-Q 04 Nov 2020 2020 Q3
Q2 2020 39,911,413 +14,852 +0.04% 30 Jun 2020 10-Q 06 Aug 2020 2020 Q2
Q1 2020 39,911,413 +46,852 +0.12% 31 Mar 2020 10-Q 06 May 2020 2020 Q1
Q4 2019 39,898,561 +34,850 +0.09% 31 Dec 2019 10-K 26 Feb 2021 2020 FY
Q3 2019 39,896,561 +32,850 +0.08% 30 Sep 2019 10-Q 05 Nov 2019 2019 Q3
Q2 2019 39,896,561 +64,725 +0.16% 30 Jun 2019 10-Q 06 Aug 2019 2019 Q2
Q1 2019 39,864,561 +42,762 +0.11% 31 Mar 2019 10-Q 07 May 2019 2019 Q1
Q4 2018 39,863,711 +1,380,947 +3.6% 31 Dec 2018 10-K 03 Mar 2020 2019 FY
Q3 2018 39,863,711 +1,420,450 +3.7% 30 Sep 2018 10-Q 06 Nov 2018 2018 Q3
Q2 2018 39,831,836 +1,674,877 +4.4% 30 Jun 2018 10-Q 07 Aug 2018 2018 Q2
Q1 2018 39,821,799 +1,864,150 +4.9% 31 Mar 2018 10-Q 09 May 2018 2018 Q1
Q4 2017 38,482,764 +3,730,648 +11% 31 Dec 2017 10-K 15 Mar 2019 2018 FY
Q3 2017 38,443,261 +3,986,952 +12% 30 Sep 2017 10-Q 07 Nov 2017 2017 Q3
Q2 2017 38,156,959 +3,775,458 +11% 30 Jun 2017 10-Q 09 Aug 2017 2017 Q2
Q1 2017 37,957,649 +3,617,441 +11% 31 Mar 2017 10-Q 09 May 2017 2017 Q1
Q4 2016 34,752,116 +3,008,014 +9.5% 31 Dec 2016 10-K 26 Feb 2018 2017 FY
Q3 2016 34,456,309 +2,934,759 +9.3% 30 Sep 2016 10-Q 02 Nov 2016 2016 Q3
Q2 2016 34,381,501 +3,001,515 +9.6% 30 Jun 2016 10-Q 02 Aug 2016 2016 Q2
Q1 2016 34,340,208 +6,873,801 +25% 31 Mar 2016 10-Q 04 May 2016 2016 Q1
Q4 2015 31,744,102 +4,356,097 +16% 31 Dec 2015 10-K 27 Feb 2017 2016 FY
Q3 2015 31,521,550 +4,139,926 +15% 30 Sep 2015 10-Q 02 Nov 2015 2015 Q3
Q2 2015 31,379,986 +4,716,549 +18% 30 Jun 2015 10-Q 05 Aug 2015 2015 Q2
Q1 2015 27,466,407 +5,561,627 +25% 31 Mar 2015 10-Q 06 May 2015 2015 Q1
Q4 2014 27,388,005 +5,531,744 +25% 31 Dec 2014 10-K 25 Feb 2016 2015 FY
Q3 2014 27,381,624 +9,702,442 +55% 30 Sep 2014 10-Q 04 Nov 2014 2014 Q3
Q2 2014 26,663,437 -17,652,518,563 -100% 30 Jun 2014 10-Q 05 Aug 2014 2014 Q2
Q1 2014 21,904,780 +4,225,780 +24% 31 Mar 2014 10-Q 05 May 2014 2014 Q1
Q4 2013 21,856,261 +4,177,079 +24% 31 Dec 2013 10-K 13 Mar 2015 2014 FY
Q3 2013 17,679,182 30 Sep 2013 10-Q 12 Nov 2013 2013 Q3
Q2 2013 17,679,182,000 30 Jun 2013 10-Q 13 Aug 2013 2013 Q2
Q1 2013 17,679,000 31 Mar 2013 10-Q 15 May 2013 2013 Q1
Q4 2012 17,679,182 31 Dec 2012 10-K 07 Mar 2014 2013 FY
* An asterisk sign (*) next to the value indicates that the value is likely invalid.