|
Market Closed -
Nasdaq
16:00:00 2026-10-26 EDT
|
5-day change | 1st Jan Change | ||
| 8.400 USD | +2.44% |
|
-0.94% | -12.04% |
| Market Cap | 421M 376M 348M 315M 590M 40.05B 600M 4.19B 1.66B 20.95B 1.58B 1.55B 66.33B | P/E 2026 * |
69.2x | P/E 2027 * | -8.01x |
|---|---|---|---|---|---|
| Enterprise Value | 421M 376M 348M 315M 590M 40.05B 600M 4.19B 1.66B 20.95B 1.58B 1.55B 66.33B | EV / Sales 2026 * |
5.09x | EV / Sales 2027 * | 20x |
| Free-Float |
77.44% | Yield 2026 * |
-
| Yield 2027 * | - |
| Markets | Quality | ||
|---|---|---|---|
Nasdaq
| PRTA | Delayed | |
CBOE
| PRTA | Real-time | |
|
Deutsche Boerse AG
| 0PT | Delayed | |
|
Tradegate
| 0PT | Real-time | |
|
London S.E.
| 0Y3M | Delayed | |
|
Börse Stuttgart
| 0PT | Delayed | |
|
Boerse Muenchen
| 0PT | Real-time |
Last Transcript: Prothena Corporation plc
| 1 day | +2.44% | ||
| 1 week | -0.94% | ||
| Current month | +0.24% | ||
| 1 month | -3.67% | ||
| 3 months | -3.45% | ||
| 6 months | -22.15% | ||
| Current year | -12.04% |
| 1 week | 7.93 |  | 8.64 |
| 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 | 2016-09-29 |
Tran Nguyen
DFI | Director of Finance/CFO | 52 | 2013-03-31 |
Brandon Smith
COO | Chief Operating Officer | 52 | 2021-09-28 |
| Director | Title | Age | Since |
|---|---|---|---|
Lars Ekman
CHM | Chairman | 76 | 2012-12-19 |
Richard Collier
BRD | Director/Board Member | 72 | 2012-12-19 |
Shane Cooke
BRD | Director/Board Member | 63 | 2012-12-19 |
| Date | Insider | Type | Main position | Quantity | % Market Cap. | Importance |
|---|---|---|---|---|---|---|
| 10/14/26 | Buy | 10,000 | 0.0195% | |||
| 10/8/26 | Buy | 90,000 | 0.1753% | |||
| 10/2/26 | Buy | 100,000 | 0.1948% |
| Change | 5-day change | 1-year change | 3-year change | Capi.($) | ||
|---|---|---|---|---|---|---|
 | +2.44% | -0.94% | -19.00% | -75.21% | 421M | |
| +0.88% | +1.18% | +40.64% | +74.91% | 64.69B | |
| -0.26% | +7.23% | +11.14% | +74.78% | 54.78B | |
| +0.47% | +5.10% | +8.22% | +101.52% | 53.49B | |
| -2.06% | +2.90% | +25.83% | +48.36% | 45.98B | |
| -1.79% | +0.19% | +17.58% | +123.62% | 42.94B | |
| -1.65% | +0.96% | +217.12% | +823.66% | 40.08B | |
| -2.26% | -2.06% | +15.38% | +45.14% | 33.52B | |
| +0.22% | -4.77% | +26.59% | +0.55% | 23.97B | |
| +12.10% | +18.47% | +55.14% | +45.58% | 23.67B | |
| Average | +0.81% | +1.82% | +39.86% | +126.29% | 38.35B | |
| Weighted average by Cap. | +0.12% | +2.58% | +43.73% | +149.89% |
| 2026 * | 2027 * | |
|---|---|---|
| Net sales | 82.7M 73.95M 68.42M 61.95M 116M 7.87B 118M 823M 326M 4.12B 310M 304M 13.03B | 21.04M 18.81M 17.4M 15.76M 29.49M 2B 29.97M 209M 82.84M 1.05B 78.95M 77.26M 3.31B |
| Net income | 6.62M 5.92M 5.48M 4.96M 9.28M 630M 9.43M 65.91M 26.07M 329M 24.85M 24.32M 1.04B | -54.06M -48.34M -44.73M -40.5M -75.79M -5.14B -77.04M -538M -213M -2.69B -203M -199M -8.52B |
| Net Debt | - | - |
| Date | Price | Change | Volume |
|---|---|---|---|
| 26-10-26 | US$8.400 | +2.44% | 594,543 |
| 26-10-23 | US$8.200 | -0.61% | 386,145 |
| 26-10-22 | US$8.250 | +2.74% | 381,831 |
| 26-10-21 | US$8.030 | -5.53% | 461,394 |
| 26-10-20 | US$8.500 | +0.24% | 529,034 |
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