Weighted Average Number of Shares Outstanding, Basic of PROTHENA CORP PUBLIC LTD CO from Q1 2013 to Q3 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
Prothena Corp Public Ltd Co quarterly/annual Weighted Average Number of Shares Outstanding, Basic history and change rate from Q1 2013 to Q3 2025.
  • Prothena Corp Public Ltd Co Weighted Average Number of Shares Outstanding, Basic for the quarter ending 30 Sep 2025 was 53.8M shares, a 0.07% increase year-over-year.
  • Prothena Corp Public Ltd Co annual Weighted Average Number of Shares Outstanding, Basic for 2024 was 53.8M shares, a 1.05% increase from 2023.
  • Prothena Corp Public Ltd Co annual Weighted Average Number of Shares Outstanding, Basic for 2023 was 53.2M shares, a 12.3% increase from 2022.
  • Prothena Corp Public Ltd Co annual Weighted Average Number of Shares Outstanding, Basic for 2022 was 47.4M shares, a 7.1% increase from 2021.
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 (%)

PROTHENA CORP PUBLIC LTD CO Quarterly Weighted Average Number of Shares Outstanding, Basic (shares)

Period TTM Value Value YoY Chg Change % Start Date End Date Report Filed
Q3 2025 53.8M +40K +0.07% 01 Jul 2025 30 Sep 2025 10-Q 06 Nov 2025
Q2 2025 53.8M +60K +0.11% 01 Apr 2025 30 Jun 2025 10-Q 04 Aug 2025
Q1 2025 53.8M +113K +0.21% 01 Jan 2025 31 Mar 2025 10-Q 08 May 2025
Q4 2024 53.8M +556K +1.05% 01 Oct 2024 31 Dec 2024 10-K 27 Feb 2025
Q3 2024 53.8M +231K +0.43% 01 Jul 2024 30 Sep 2024 10-Q 06 Nov 2025
Q2 2024 53.8M +646K +1.22% 01 Apr 2024 30 Jun 2024 10-Q 04 Aug 2025
Q1 2024 53.7M +1.21M +2.31% 01 Jan 2024 31 Mar 2024 10-Q 08 May 2025
Q4 2023 53.2M +5.85M +12.3% 01 Oct 2023 31 Dec 2023 10-K 27 Feb 2025
Q3 2023 53.6M +6.57M +14% 01 Jul 2023 30 Sep 2023 10-Q 12 Nov 2024
Q2 2023 53.1M +6.32M +13.5% 01 Apr 2023 30 Jun 2023 10-Q 08 Aug 2024
Q1 2023 52.5M +5.8M +12.4% 01 Jan 2023 31 Mar 2023 10-Q 08 May 2024
Q4 2022 47.4M +3.14M +7.1% 01 Oct 2022 31 Dec 2022 10-K 27 Feb 2025
Q3 2022 47M +1.36M +2.98% 01 Jul 2022 30 Sep 2022 10-Q 02 Nov 2023
Q2 2022 46.8M +2.47M +5.58% 01 Apr 2022 30 Jun 2022 10-Q 03 Aug 2023
Q1 2022 46.7M +6.45M +16% 01 Jan 2022 31 Mar 2022 10-Q 04 May 2023
Q4 2021 44.2M 01 Oct 2021 31 Dec 2021 10-K 22 Feb 2024
Q3 2021 45.6M +5.71M +14.3% 01 Jul 2021 30 Sep 2021 10-Q 03 Nov 2022
Q2 2021 44.3M +4.42M +11.1% 01 Apr 2021 30 Jun 2021 10-Q 08 Aug 2022
Q1 2021 40.3M 01 Jan 2021 31 Mar 2021 10-Q 05 May 2022
Q3 2020 39.9M 01 Jul 2020 30 Sep 2020 10-Q 04 Nov 2021
Q2 2020 39.9M 01 Apr 2020 30 Jun 2020 10-Q 05 Aug 2021
Q3 2015 31.4M +4.07M +14.9% 01 Jul 2015 30 Sep 2015 10-Q 02 Nov 2015
Q2 2015 30.8M +8.83M +40.2% 01 Apr 2015 30 Jun 2015 10-Q 05 Aug 2015
Q1 2015 27.4M +5.52M +25.2% 01 Jan 2015 31 Mar 2015 10-Q 06 May 2015
Q3 2014 27.4M +9.69M +54.8% 01 Jul 2014 30 Sep 2014 10-Q 02 Nov 2015
Q2 2014 22M +4.28M +24.2% 01 Apr 2014 30 Jun 2014 10-Q 05 Aug 2015
Q1 2014 21.9M +4.21M +23.8% 01 Jan 2014 31 Mar 2014 10-Q 06 May 2015
Q3 2013 17.7M 01 Jul 2013 30 Sep 2013 10-Q 04 Nov 2014
Q2 2013 17.7M 01 Apr 2013 30 Jun 2013 10-Q 05 Aug 2014
Q1 2013 17.7M 01 Jan 2013 31 Mar 2013 10-Q 05 May 2014

PROTHENA CORP PUBLIC LTD CO Annual Weighted Average Number of Shares Outstanding, Basic (shares)

Period Value YoY Chg Change % Start Date End Date Report Filed
2024 53.8M +556K +1.05% 01 Jan 2024 31 Dec 2024 10-K 27 Feb 2025
2023 53.2M +5.85M +12.3% 01 Jan 2023 31 Dec 2023 10-K 27 Feb 2025
2022 47.4M +3.14M +7.1% 01 Jan 2022 31 Dec 2022 10-K 27 Feb 2025
2021 44.2M +4.31M +10.8% 01 Jan 2021 31 Dec 2021 10-K 22 Feb 2024
2020 39.9M +33K +0.08% 01 Jan 2020 31 Dec 2020 10-K 28 Feb 2023
2019 39.9M 01 Jan 2019 31 Dec 2019 10-K 25 Feb 2022
* An asterisk sign (*) next to the value indicates that the value is likely invalid.