Weighted Average Number of Shares Outstanding, Basic of PROTHENA CORP PUBLIC LTD CO from 31 Mar 2013 to 31 Dec 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 and annual Weighted Average Number of Shares Outstanding, Basic in shares history and change rate from 31 Mar 2013 to 31 Dec 2025.
  • PROTHENA CORP PUBLIC LTD CO Weighted Average Number of Shares Outstanding, Basic for the quarter ending 31 Dec 2025 was 53,829,000, a 0.11% increase year-over-year.
  • PROTHENA CORP PUBLIC LTD CO annual Weighted Average Number of Shares Outstanding, Basic for 2025 was 53,829,000, a 0.11% increase from 2024.
  • PROTHENA CORP PUBLIC LTD CO annual Weighted Average Number of Shares Outstanding, Basic for 2024 was 53,772,000, a 1% increase from 2023.
  • PROTHENA CORP PUBLIC LTD CO annual Weighted Average Number of Shares Outstanding, Basic for 2023 was 53,216,000, a 12% increase from 2022.
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 (%)

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 Fiscal Year Fiscal Period
Q4 2025 53,829,000 +57,000 +0.11% 01 Oct 2025 31 Dec 2025 10-K 27 Feb 2026 2025 FY
Q3 2025 53,830,000 +40,000 +0.07% 01 Jul 2025 30 Sep 2025 10-Q 06 Nov 2025 2025 Q3
Q2 2025 53,827,000 +60,000 +0.11% 01 Apr 2025 30 Jun 2025 10-Q 04 Aug 2025 2025 Q2
Q1 2025 53,827,000 +113,000 +0.21% 01 Jan 2025 31 Mar 2025 10-Q 08 May 2025 2025 Q1
Q4 2024 53,772,000 +556,000 +1% 01 Oct 2024 31 Dec 2024 10-K 27 Feb 2026 2025 FY
Q3 2024 53,790,000 +231,000 +0.43% 01 Jul 2024 30 Sep 2024 10-Q 06 Nov 2025 2025 Q3
Q2 2024 53,767,000 +646,000 +1.2% 01 Apr 2024 30 Jun 2024 10-Q 04 Aug 2025 2025 Q2
Q1 2024 53,714,000 +1,213,000 +2.3% 01 Jan 2024 31 Mar 2024 10-Q 08 May 2025 2025 Q1
Q4 2023 53,216,000 +5,847,000 +12% 01 Oct 2023 31 Dec 2023 10-K 27 Feb 2026 2025 FY
Q3 2023 53,559,000 +6,573,000 +14% 01 Jul 2023 30 Sep 2023 10-Q 12 Nov 2024 2024 Q3
Q2 2023 53,121,000 +6,316,000 +13% 01 Apr 2023 30 Jun 2023 10-Q 08 Aug 2024 2024 Q2
Q1 2023 52,501,000 +5,797,000 +12% 01 Jan 2023 31 Mar 2023 10-Q 08 May 2024 2024 Q1
Q4 2022 47,369,000 +3,141,000 +7.1% 01 Oct 2022 31 Dec 2022 10-K 27 Feb 2025 2024 FY
Q3 2022 46,986,000 +1,360,000 +3% 01 Jul 2022 30 Sep 2022 10-Q 02 Nov 2023 2023 Q3
Q2 2022 46,805,000 +2,473,000 +5.6% 01 Apr 2022 30 Jun 2022 10-Q 03 Aug 2023 2023 Q2
Q1 2022 46,704,000 +6,454,000 +16% 01 Jan 2022 31 Mar 2022 10-Q 04 May 2023 2023 Q1
Q4 2021 44,228,000 01 Oct 2021 31 Dec 2021 10-K 22 Feb 2024 2023 FY
Q3 2021 45,626,000 +5,709,000 +14% 01 Jul 2021 30 Sep 2021 10-Q 03 Nov 2022 2022 Q3
Q2 2021 44,332,000 +4,421,000 +11% 01 Apr 2021 30 Jun 2021 10-Q 08 Aug 2022 2022 Q2
Q1 2021 40,250,000 01 Jan 2021 31 Mar 2021 10-Q 05 May 2022 2022 Q1
Q3 2020 39,917,000 01 Jul 2020 30 Sep 2020 10-Q 04 Nov 2021 2021 Q3
Q2 2020 39,911,000 01 Apr 2020 30 Jun 2020 10-Q 05 Aug 2021 2021 Q2
Q3 2015 31,441,000 +4,071,000 +15% 01 Jul 2015 30 Sep 2015 10-Q 02 Nov 2015 2015 Q3
Q2 2015 30,792,000 +8,833,000 +40% 01 Apr 2015 30 Jun 2015 10-Q 05 Aug 2015 2015 Q2
Q1 2015 27,401,000 +5,517,000 +25% 01 Jan 2015 31 Mar 2015 10-Q 06 May 2015 2015 Q1
Q3 2014 27,370,000 +9,691,000 +55% 01 Jul 2014 30 Sep 2014 10-Q 02 Nov 2015 2015 Q3
Q2 2014 21,959,000 +4,280,000 +24% 01 Apr 2014 30 Jun 2014 10-Q 05 Aug 2015 2015 Q2
Q1 2014 21,884,000 +4,205,000 +24% 01 Jan 2014 31 Mar 2014 10-Q 06 May 2015 2015 Q1
Q3 2013 17,679,000 01 Jul 2013 30 Sep 2013 10-Q 04 Nov 2014 2014 Q3
Q2 2013 17,679,000 01 Apr 2013 30 Jun 2013 10-Q 05 Aug 2014 2014 Q2
Q1 2013 17,679,000 01 Jan 2013 31 Mar 2013 10-Q 05 May 2014 2014 Q1

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 Fiscal Year Fiscal Period
2025 53,829,000 +57,000 +0.11% 01 Jan 2025 31 Dec 2025 10-K 27 Feb 2026 2025 FY
2024 53,772,000 +556,000 +1% 01 Jan 2024 31 Dec 2024 10-K 27 Feb 2026 2025 FY
2023 53,216,000 +5,847,000 +12% 01 Jan 2023 31 Dec 2023 10-K 27 Feb 2026 2025 FY
2022 47,369,000 +3,141,000 +7.1% 01 Jan 2022 31 Dec 2022 10-K 27 Feb 2025 2024 FY
2021 44,228,000 +4,313,000 +11% 01 Jan 2021 31 Dec 2021 10-K 22 Feb 2024 2023 FY
2020 39,915,000 +33,000 +0.08% 01 Jan 2020 31 Dec 2020 10-K 28 Feb 2023 2022 FY
2019 39,882,000 01 Jan 2019 31 Dec 2019 10-K 25 Feb 2022 2021 FY
* An asterisk sign (*) next to the value indicates that the value is likely invalid.