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Prothena Corp Public (PRTA) Shares Outstanding (2016 - 2025)

Historic Shares Outstanding for Prothena Corp Public (PRTA) over the last 14 years, with Q3 2025 value amounting to $53.8 million.

  • Prothena Corp Public's Shares Outstanding rose 3.95% 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 3.95%. This contributed to the annual value of $53.8 million for FY2024, which is 26.99% up from last year.
  • As of Q3 2025, Prothena Corp Public's Shares Outstanding stood at $53.8 million, which was up 3.95% from $53.8 million recorded in Q2 2025.
  • In the past 5 years, Prothena Corp Public's Shares Outstanding ranged from a high of $53.8 million in Q3 2025 and a low of $44.2 million during Q1 2021
  • Over the past 5 years, Prothena Corp Public's median Shares Outstanding value was $53.5 million (recorded in 2023), while the average stood at $50.8 million.
  • Its Shares Outstanding has fluctuated over the past 5 years, first surged by 1688.04% in 2021, then grew by 3.95% in 2025.
  • Prothena Corp Public's Shares Outstanding (Quarter) stood at $46.7 million in 2021, then grew by 11.67% to $52.1 million in 2022, then increased by 3.03% to $53.7 million in 2023, then grew by 0.27% to $53.8 million in 2024, then increased by 0.01% to $53.8 million in 2025.
  • Its Shares Outstanding was $53.8 million in Q3 2025, compared to $53.8 million in Q2 2025 and $53.8 million in Q1 2025.