Prothena Corporation
PRTA | NASDAQ
$8.51
-$0.07 (-0.82%)
At close: Sep 21, 2026, 4:00 PM ET
$8.75
+$0.24 (+2.82%)
After-hours:
Sep 21, 2026, 7:30 PM ET
Employees
67
Change (1Y)
-96
Growth (1Y)
-58.90%
Revenue / Employee
$813,881
Profits / Employee
-$656,597
Market Cap
$445.53M
Employees History
| Date | Employees | Change | % Change |
|---|---|---|---|
| Dec 31, 2025 | 67 | -96 | -58.90% |
| Dec 31, 2024 | 163 | -10 | -5.78% |
| Dec 31, 2023 | 173 | 46 | +36.22% |
| Dec 31, 2022 | 127 | 45 | +54.88% |
| Dec 31, 2021 | 82 | 16 | +24.24% |
| Dec 31, 2020 | 66 | 15 | +29.41% |
| Dec 31, 2019 | 51 | -8 | -13.56% |
| Dec 31, 2018 | 59 | -66 | -52.80% |
| Dec 31, 2017 | 125 | 29 | +30.21% |
| Dec 31, 2016 | 96 | 30 | +45.45% |
| Dec 31, 2015 | 66 | 20 | +43.48% |
| Dec 31, 2014 | 46 | 7 | +17.95% |
| Dec 31, 2013 | 39 | 9 | +30.00% |
| Dec 31, 2012 | 30 | n/a | n/a |
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