|
Market Closed -
Other stock markets
|
5-day change | 1st Jan Change | ||
| 8.750 USD | +2.58% |
|
+1.04% | -8.38% |
| Market Cap | 458M 402M 374M 343M 645M 44.11B 655M 4.44B 1.74B 21.69B 1.72B 1.68B 74.99B | P/E 2026 * |
187x | P/E 2027 * | -8.5x |
|---|---|---|---|---|---|
| Enterprise Value | 458M 402M 374M 343M 645M 44.11B 655M 4.44B 1.74B 21.69B 1.72B 1.68B 74.99B | EV / Sales 2026 * |
5.5x | EV / Sales 2027 * | 20.8x |
| Free-Float |
79.82% | Yield 2026 * |
-
| Yield 2027 * | - |
Last Transcript: Prothena Corporation plc
| 1 day | +2.58% | ||
| 1 week | +1.04% | ||
| Current month | -10.62% | ||
| 1 month | -6.91% | ||
| 3 months | -18.60% | ||
| 6 months | -12.50% | ||
| Current year | -8.38% |
| 1 week | 8.23 |  | 8.85 |
| 1 month | 8.08 | | 10.15 |
| Current year | 7.73 | | 11.8 |
| 1 year | 6.61 | | 11.8 |
| 3 years | 4.32 | | 70.09 |
| 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. | |
|---|---|---|---|---|---|---|
| 16/06/26 | Buy | 20,000 | 0.0382% | |||
| 15/06/26 | Don | -325,000 | 0.6208% | |||
| 11/06/26 | Buy | 125,000 | 0.2388% |
| Change | 5-day change | 1-year change | 3-year change | Capi.($) | ||
|---|---|---|---|---|---|---|
 | +2.58% | +1.04% | +30.60% | -86.49% | 458M | |
| +0.93% | +6.97% | +62.83% | +67.97% | 57.28B | |
| -1.92% | +6.03% | +43.68% | +84.56% | 54.99B | |
| -0.46% | -1.29% | +3.28% | +422.58% | 23.18B | |
| -2.97% | -2.35% | -22.03% | -16.54% | 22.59B | |
| -0.36% | +5.73% | +30.99% | -3.58% | 20.46B | |
| -1.34% | +0.51% | +25.02% | -30.27% | 17.56B | |
| -1.44% | +5.67% | +32.54% | +544.11% | 15.67B | |
| -1.30% | -5.02% | +165.62% | +291.37% | 14.46B | |
| -0.50% | -0.98% | +23.62% | +178.38% | 13.92B | |
| Average | -0.68% | +1.25% | +39.62% | +145.21% | 24.06B | |
| Weighted average by Cap. | -0.87% | +2.09% | +41.16% | +135.26% |
| 2026 * | 2027 * | |
|---|---|---|
| Net sales | 83.32M 73.18M 68.06M 62.45M 117M 8.02B 119M 808M 316M 3.94B 313M 306M 13.64B | 22M 19.32M 17.97M 16.49M 30.98M 2.12B 31.46M 213M 83.37M 1.04B 82.59M 80.81M 3.6B |
| Net income | 2.42M 2.13M 1.98M 1.82M 3.41M 233M 3.47M 23.5M 9.18M 115M 9.1M 8.9M 397M | -55.93M -49.12M -45.68M -41.92M -78.76M -5.39B -79.98M -542M -212M -2.65B -210M -205M -9.16B |
| Net Debt | - | - |
| Date | Price | Change | Volume |
|---|---|---|---|
| 24/07/26 | $8.750 | +2.58% | 576,837 |
| 23/07/26 | $8.530 | +1.07% | 532,213 |
| 22/07/26 | $8.440 | -3.54% | 542,549 |
| 21/07/26 | $8.750 | +0.92% | 647,644 |
| 20/07/26 | $8.670 | +0.12% | 549,625 |
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
