|
Delayed
Nasdaq
23:00:00 04/09/2026 +03
|
5-day change | 1st Jan Change | ||
| 9.820 USD | +2.29% |
|
+5.25% | +2.83% |
| Market Cap | 504M 434M 408M 372M 696M 47.68B 698M 4.83B 1.87B 24.42B 1.89B 1.85B 77.77B | P/E 2026 * |
89.3x | P/E 2027 * | -10.6x |
|---|---|---|---|---|---|
| Enterprise Value | 504M 434M 408M 372M 696M 47.68B 698M 4.83B 1.87B 24.42B 1.89B 1.85B 77.77B | EV / Sales 2026 * |
6.06x | EV / Sales 2027 * | 20.7x |
| Free-Float |
78.36% | Yield 2026 * |
-
| Yield 2027 * | - |
| Markets | Quality | ||
|---|---|---|---|
Nasdaq
| PRTA | Delayed | |
CBOE
| PRTA | Real-time | |
|
London S.E.
| 0Y3M | Delayed | |
|
Boerse Muenchen
| 0PT | Real-time | |
|
Deutsche Boerse AG
| 0PT | Delayed | |
|
Tradegate
| 0PT | Real-time | |
|
Börse Stuttgart
| 0PT | Delayed |
Last Transcript : Prothena Corporation plc
| 1 day | +2.29% | ||
| 1 week | +5.25% | ||
| Current month | +5.03% | ||
| 1 month | +14.45% | ||
| 3 months | +11.72% | ||
| 6 months | +2.40% | ||
| Current year | +2.83% |
| 1 week | 9.26 |  | 9.87 |
| 1 month | 8.53 | | 9.87 |
| Current year | 7.73 | | 11.8 |
| 1 year | 7.73 | | 11.8 |
| 3 years | 4.32 | | 56.04 |
| 5 years | 4.32 | | 79.75 |
| 10 years | 4.32 | | 79.75 |
| Manager | Title | Age | Since |
|---|---|---|---|
Gene Kinney
CEO | Chief Executive Officer | 57 | 30/09/2016 |
Tran Nguyen
DFI | Director of Finance/CFO | 52 | 01/04/2013 |
Brandon Smith
COO | Chief Operating Officer | 52 | 29/09/2021 |
| Director | Title | Age | Since |
|---|---|---|---|
Lars Ekman
CHM | Chairman | 76 | 20/12/2012 |
Richard Collier
BRD | Director/Board Member | 72 | 20/12/2012 |
Shane Cooke
BRD | Director/Board Member | 63 | 20/12/2012 |
| Date | Insider | Type | Main position | Quantity | % Market Cap. | Importance |
|---|---|---|---|---|---|---|
| 9/2/26 A | Buy | 27,000 | 0.0526% | |||
| 8/20/26 A | Buy | 50,000 | 0.0955% | |||
| 8/18/26 A | Don | -627,553 | 1.1987% |
| Change | 5-day change | 1-year change | 3-year change | Capi.($) | ||
|---|---|---|---|---|---|---|
 | +2.29% | +5.25% | +14.85% | -82.11% | 504M | |
| -0.38% | -2.64% | +42.69% | +99.03% | 67.98B | |
| -2.71% | -0.71% | +34.08% | +81.43% | 64.94B | |
| -0.31% | +6.54% | -12.96% | +377.83% | 27.58B | |
| +0.86% | +1.65% | -7.74% | -13.58% | 26.06B | |
| -1.42% | -4.28% | +31.24% | +13.27% | 25.74B | |
| -1.11% | +0.90% | +23.12% | -18.50% | 20.09B | |
| +1.15% | -14.24% | +219.82% | +381.14% | 17.16B | |
| +0.20% | -4.68% | -6.41% | +560.92% | 14.92B | |
| -0.20% | +8.37% | +55.78% | +165.57% | 14.62B | |
| Average | -0.16% | +1.47% | +39.45% | +156.50% | 27.96B | |
| Weighted average by Cap. | -0.81% | +0.60% | +36.93% | +140.71% |
| 2026 * | 2027 * | |
|---|---|---|
| Net sales | 83.16M 71.51M 67.26M 61.4M 115M 7.86B 115M 798M 308M 4.03B 312M 305M 12.83B | 24.38M 20.96M 19.72M 18M 33.66M 2.31B 33.77M 234M 90.36M 1.18B 91.54M 89.54M 3.76B |
| Net income | 6.22M 5.35M 5.03M 4.6M 8.6M 589M 8.62M 59.69M 23.07M 301M 23.37M 22.86M 960M | -49.57M -42.63M -40.1M -36.6M -68.46M -4.69B -68.68M -475M -184M -2.4B -186M -182M -7.65B |
| Net Debt | - | - |
| Date | Price | Change | Volume |
|---|---|---|---|
| 04/09/26 | $9.820 | +2.29% | 383,928 |
| 03/09/26 | $9.600 | -0.88% | 277,055 |
| 02/09/26 | $9.685 | +0.78% | 341,055 |
| 01/09/26 | $9.610 | +2.78% | 267,669 |
| 31/08/26 | $9.350 | +0.21% | 335,149 |
Trader
This super rating is the result of a weighted average of the rankings based on the following ratings: Valuation (Composite), EPS Revisions (4 months), and Visibility (Composite). We recommend that you carefully review the associated descriptions.
Investor
This super composite rating is the result of a weighted average of the rankings based on the following ratings: Fundamentals (Composite), Valuation (Composite), EPS Revisions (1 year), and Visibility (Composite). We recommend that you carefully review the associated descriptions.
Global
This composite rating is the result of an average of the rankings based on the following ratings: Fundamentals (Composite), Valuation (Composite), Financial Estimates Revisions (Composite), Consensus (Composite) and Visibility (Composite). The company must be covered by at least 4 of these 5 ratings for the calculation to be carried out. We recommend that you carefully review the associated descriptions.
Quality
This composite rating is the result of an average of rankings based on the following ratings: Returns (Composite), Profitability (Composite) and Quality of Financial Reporting (Composite), and Financial Health (Composite). The company must be covered by at least 2 of these 3 ratings for the calculation to be performed. We recommend that you carefully read the associated descriptions.
ESG MSCI
The MSCI ESG score assesses a company’s environmental, social, and governance practices relative to its industry peers. Companies are rated from CCC (laggard) to AAA (leader). This rating helps investors incorporate sustainability risks and opportunities into their investment decisions.
Quarterly revenue - Rate of surprise
- Stock Market
- Stocks
- PRTA Stock
Select your edition
All financial news and data tailored to specific country editions
