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Prothena Corp Public (PRTA) Shares Outstanding (Weighted Average): 2012-2025

Historic Shares Outstanding (Weighted Average) for Prothena Corp Public (PRTA) over the last 14 years, with Sep 2025 value amounting to $53.8 million.

  • Prothena Corp Public's Shares Outstanding (Weighted Average) rose 0.09% to $53.8 million in Q3 2025 from the same period last year, while for Sep 2025 it was $53.8 million, marking a year-over-year increase of 0.09%. This contributed to the annual value of $53.8 million for FY2024, which is 0.27% up from last year.
  • Prothena Corp Public's Shares Outstanding (Weighted Average) amounted to $53.8 million in Q3 2025, which was up 0.01% from $53.8 million recorded in Q2 2025.
  • Prothena Corp Public's 5-year Shares Outstanding (Weighted Average) high stood at $53.8 million for Q3 2025, and its period low was $40.0 million during Q1 2021.
  • In the last 3 years, Prothena Corp Public's Shares Outstanding (Weighted Average) had a median value of $53.8 million in 2024 and averaged $53.6 million.
  • Data for Prothena Corp Public's Shares Outstanding (Weighted Average) shows a peak YoY rose of 16.75% (in 2022) over the last 5 years.
  • Quarterly analysis of 5 years shows Prothena Corp Public's Shares Outstanding (Weighted Average) stood at $46.6 million in 2021, then climbed by 3.83% to $48.4 million in 2022, then rose by 10.93% to $53.7 million in 2023, then increased by 0.27% to $53.8 million in 2024, then climbed by 0.09% to $53.8 million in 2025.
  • Its Shares Outstanding (Weighted Average) was $53.8 million in Q3 2025, compared to $53.8 million in Q2 2025 and $53.8 million in Q1 2025.