PRTAProthena Corporation plc
$8.61-15% 1Y
$8.61
$7.9152 weeks$11.51
The financials
Prothena Corporation plc by the numbers
Prothena Corporation plc (PRTA) reported revenue of $1.0M in Q2 2026 (quarter ended Jun 30, 2026), down 77% from the same quarter a year earlier. That came with net loss of $19M. For the full year FY2025, revenue was $9.7M (−93% year on year) and net income −$244M. The next results filing is expected around Nov 5, 2026, the same week as a year ago.
| Income statement | Q2 2026 | Q2 2025 | Change |
|---|---|---|---|
| Revenue | $1.0M | $4.4M | −77% |
| Operating income | −$21M | −$85M | n/a |
| Net income | −$19M | −$126M | n/a |
| Diluted EPS | −$0.36 | −$2.34 | n/a |