|
Market Closed -
Nasdaq
04:00:00 29/10/2026 HKT
|
5-day change | 1st Jan Change | ||
| 9.100 USD | +3.29% |
|
+13.33% | -4.71% |
| Market Cap | 452M 406M 375M 340M 635M 43.08B 642M 4.49B 1.79B 22.54B 1.7B 1.66B 71.56B | P/E 2026 * |
74.3x | P/E 2027 * | -8.6x |
|---|---|---|---|---|---|
| Enterprise Value | 452M 406M 375M 340M 635M 43.08B 642M 4.49B 1.79B 22.54B 1.7B 1.66B 71.56B | EV / Sales 2026 * |
5.47x | EV / Sales 2027 * | 21.5x |
| Free-Float |
77.44% | Yield 2026 * |
-
| Yield 2027 * | - |
| Markets | Quality | ||
|---|---|---|---|
Nasdaq
| PRTA | Delayed | |
CBOE
| PRTA | Real-time | |
Tradegate
| 0PT | Real-time | |
Börse Stuttgart
| 0PT | Delayed | |
London S.E.
| 0Y3M | Delayed | |
Deutsche Boerse AG
| 0PT | Delayed | |
Boerse Muenchen
| 0PT | Real-time |
Last Transcript: Prothena Corporation plc
| 1 day | +3.29% | ||
| 1 week | +13.33% | ||
| Current month | +8.59% | ||
| 1 month | +4.36% | ||
| 3 months | +6.31% | ||
| 6 months | -20.94% | ||
| Current year | -4.71% |
| 1 week | 7.93 | 9.22 | |
| 1 month | 7.8 | 9.3 | |
| Current year | 7.73 | 11.8 | |
| 1 year | 7.73 | 11.8 | |
| 3 years | 4.32 | 41.54 | |
| 5 years | 4.32 | 79.65 | |
| 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 |
|---|---|---|---|---|---|---|
| 14/10/26 | Buy | 10,000 | 0.0195% | |||
| 8/10/26 | Buy | 90,000 | 0.1753% | |||
| 2/10/26 | Buy | 100,000 | 0.1948% |
| Change | 5-day change | 1-year change | 3-year change | Capi.($) | ||
|---|---|---|---|---|---|---|
| +3.29% | +13.33% | -13.66% | -74.34% | 452M | ||
| +0.65% | -3.56% | +33.53% | +60.50% | 63.48B | ||
| +1.76% | +2.10% | +12.10% | +81.21% | 54.55B | ||
| -0.94% | +0.77% | +8.85% | +100.19% | 53.59B | ||
| +2.76% | +0.87% | +27.92% | +57.51% | 44.75B | ||
| +2.00% | -3.39% | +17.83% | +100.08% | 41.62B | ||
| +1.34% | -2.86% | +224.43% | +928.45% | 39.91B | ||
| +0.64% | -3.85% | +11.71% | +45.57% | 32.47B | ||
| +29.06% | +48.65% | +106.84% | +92.73% | 26.7B | ||
| +3.72% | -7.45% | +24.25% | -2.99% | 23.36B | ||
| Average | +4.41% | -0.01% | +45.38% | +138.89% | 38.09B | |
| Weighted average by Cap. | +3.21% | -0.28% | +47.27% | +160.91% |
| 2026 * | 2027 * | |
|---|---|---|
| Net sales | 82.7M 74.2M 68.6M 62.13M 116M 7.88B 117M 820M 327M 4.12B 310M 304M 13.09B | 21.04M 18.87M 17.45M 15.8M 29.52M 2B 29.88M 209M 83.1M 1.05B 78.94M 77.27M 3.33B |
| Net income | 6.62M 5.94M 5.49M 4.97M 9.29M 631M 9.4M 65.66M 26.15M 330M 24.84M 24.32M 1.05B | -54.06M -48.51M -44.85M -40.62M -75.88M -5.15B -76.8M -536M -214M -2.69B -203M -199M -8.55B |
| Net Debt | - | - |
| Date | Price | Change | Volume |
|---|---|---|---|
| 29/10/26 | US$9.100 | +3.29% | 751,635 |
| 27/10/26 | US$8.810 | +4.88% | 654,353 |
| 26/10/26 | US$8.400 | +2.44% | 594,545 |
| 23/10/26 | US$8.200 | -0.61% | 386,145 |
| 22/10/26 | US$8.250 | +2.74% | 381,831 |
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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.

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