Prothena Logo

Prothena

🇮🇪
PRTA
IE00B91XRN20

Prothena is an Ireland-based biotechnology company specializing in the development of novel therapies for rare diseases. Through innovative protein immunotherapy, Prothena focuses on effectively treating a range of complex neurological and systemic diseases to improve patient outcomes.

Next Quarterly Earnings

Monday, August 10, 2026
CW 33
After-Hours
In 29 days

After-hours — after the market close (typically after 5:30 p.m. CET).

Quiet period starts on July 13, 2026

Stock Price

Frequently asked questions

When will Prothena report its next quarterly earnings?

Prothena is scheduled to report its next quarterly earnings on 08/10/2026. After-hours — after the market close (typically after 5:30 p.m. CET).

When did Prothena last report quarterly earnings?

Prothena last reported quarterly earnings on 5/7/2026 (Q2 2026). Earnings per share (EPS) came in at 0.60 USD.

How do I add the Prothena earnings dates to my calendar?

Use the 'Subscribe in calendar' button on this page to add all dates to Google Calendar, Apple Calendar or Outlook. Dates update automatically when they change.

All Dates

Q3 2026
Estimate:$0.32
Actual:
Q2 2026
Beat
Estimate:-$0.35
Actual:$0.60
Difference:+$0.95

Company Information

Name
Prothena
Ticker Symbol
PRTA
ISIN
IE00B91XRN20
Country
🇮🇪
Ireland
Sector
Healthcare
More Financial Information