Prothena Corporation plc (PRTA)
NASDAQ: PRTA · Real-Time Price · USD
10.52
-0.66 (-5.90%)
At close: May 7, 2026, 4:00 PM EDT
11.09
+0.57 (5.41%)
After-hours: May 7, 2026, 7:11 PM EDT
Prothena Corporation Employees
Prothena Corporation had 67 employees as of December 31, 2025. The number of employees decreased by 96 or -58.90% compared to the previous year.
Employees
67
Change (1Y)
-96
Growth (1Y)
-58.90%
Revenue / Employee
$144,537
Profits / Employee
-$3,643,164
Market Cap
566.32M
Employees Chart
Employees History
| Date | Employees | Change (1Y) | Growth (1Y) |
|---|---|---|---|
| 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 | Upgrade Pro | Upgrade Pro | Upgrade Pro |
| Dec 31, 2019 | Upgrade Pro | Upgrade Pro | Upgrade Pro |
| Dec 31, 2018 | Upgrade Pro | Upgrade Pro | Upgrade Pro |
| Dec 31, 2017 | Upgrade Pro | Upgrade Pro | Upgrade Pro |
| Dec 31, 2016 | Upgrade Pro | Upgrade Pro | Upgrade Pro |
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PRTA News
- 2 hours ago - Prothena cuts FY26 net cash used view to $18M-$23M from $50M-$55M - TheFly
- 4 hours ago - Prothena Reports First Quarter 2026 Financial Results and Business Highlights - Business Wire
- 7 days ago - Prothena to Report First Quarter 2026 Financial Results on May 7 - Business Wire
- 10 days ago - Prothena announces Novo Nordisk obtained FDA fast track for PRX004 - TheFly
- 10 days ago - Prothena Announces Novo Nordisk Obtains Fast Track Designation from the U.S. FDA for Coramitug (PRX004) in ATTR Amyloidosis with Cardiomyopathy - Business Wire
- 27 days ago - Prothena names Annie Kingston as Chief Strategy Officer - TheFly
- 27 days ago - Prothena Announces Leadership Team Updates - Business Wire
- 6 weeks ago - Prothena Partners Present Data Supporting Next Generation Treatments for Parkinson's and Alzheimer's Disease at AD/PD™ 2026 - Business Wire