Shares Outstanding:
53.83M0.00(0.00%)Summary
- As of today, PRTA has 53.83 million outstanding stocks, with the most recent change of 0.00 (0.00%) on October 31, 2025.
- Compared to the previous year, the number of outstanding shares has increased by +21.30 thousand (+0.04%).
Performance
PRTA Shares Outstanding Chart
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PRTA Shares Outstanding Trends
| PeriodPeriod | Shares OutstandingShares Outstanding | PricePrice | Market CapMarket Cap |
|---|---|---|---|
| RecentMost recent | 0.0% | -1.6% | -1.6% |
| 1Y1 Year | +0.0% | -25.3% | -25.3% |
| 3Y3 Years | +11.3% | -82.6% | -80.7% |
| 5Y5 Years | +34.8% | -16.8% | +12.3% |
PRTA Shares Outstanding Highs & Lows
| PeriodPeriod | HighHigh | Current vs Highvs High | LowLow | Current vs Lowvs Low | |
|---|---|---|---|---|---|
| 1M | 1-Month | 53.83M | at high | 53.83M | at low |
| 3M | 3-Month | 53.83M | at high | 53.83M | at low |
| 6M | 6-Month | 53.83M | at high | 53.83M | +0.0% |
| 1Y | 1-Year | 53.83M | at high | 53.81M | +0.0% |
| 3Y | 3-Year | 53.83M | at high | 48.38M | +11.3% |
| 5Y | 5-Year | 53.83M | at high | 39.92M | +34.8% |
| All-Time | All-Time | 53.83M | at high | 17.68M | +204.5% |
PRTA Shares Outstanding History
| Date | Value |
|---|---|
| Oct 2025 | 53.83M(+0.0%) |
| Dec 2024 | 53.83M(+0.3%) |
| Dec 2023 | 53.68M(+3.0%) |
| Dec 2022 | 52.10M(+11.7%) |
| Dec 2021 | 46.66M(+16.9%) |
| Dec 2020 | 39.92M(+0.1%) |
| Dec 2019 | 39.90M(+0.1%) |
| Dec 2018 | 39.86M(+3.6%) |
| Date | Value |
|---|---|
| Dec 2017 | 38.48M(+10.7%) |
| Dec 2016 | 34.75M(+9.5%) |
| Dec 2015 | 31.74M(+15.9%) |
| Dec 2014 | 27.39M(+25.3%) |
| Dec 2013 | 21.86M(+23.6%) |
| Dec 2012 | 17.68M(-19.1%) |
| Dec 2011 | 21.86M(0.0%) |
| Dec 2010 | 21.86M |
FAQ
- What are outstanding stocks?
- How many outstanding stocks does Prothena Corporation plc have?
- What is Prothena Corporation plc year-on-year outstanding stocks change?
- What is the all-time highest number of outstanding stocks for Prothena Corporation plc?
What are outstanding stocks?
Outstanding stocks are the shares of a company that are currently owned by shareholders, including institutional investors and company insiders
How many outstanding stocks does Prothena Corporation plc have?
As of today, Prothena Corporation plc has 53.83M outstanding shares
What is Prothena Corporation plc year-on-year outstanding stocks change?
Over the past year, the number of outstanding stocks of PRTA has changed by +21.30K (+0.04%)
What is the all-time highest number of outstanding stocks for Prothena Corporation plc?
Prothena Corporation plc historical maximum number of outstanding shares is 53.83M