Stock listing
LSE:0Y3M Prothena Corporation plc Share Price
UK listing (LSE) of Prothena Corporation plc · home listing NASDAQ:PRTA
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Share price · LSE:0Y3M
$8.14 USD -0.63 (-7.1%)
Close on Oct 21, 2026
- Day range
- $8.14 – $8.50 USDOct 21, 2026
- Volume
- 1,887 sharesOct 21, 2026
Prices by listing
| Listing | Last | Change | Volume | Open | High | Low | Previous close | Price from |
|---|---|---|---|---|---|---|---|---|
| NASDAQ:PRTA · Home | $8.03 USD | -0.47 (-5.5%) | 461,393 | $8.47 | $8.54 | $8.01 | $8.50 | Close on Oct 21, 2026 |
| LSE:0Y3M | $8.135 USD | -0.625 (-7.1%) | 1,887 | $8.25 | $8.504 | $8.135 | $8.76 | Close on Oct 21, 2026 |
| Frankfurt:0PT | €7.436 EUR | +0.09 (+1.2%) | — | €7.436 | €7.436 | €7.436 | €7.346 | Close on Oct 21, 2026 |
- Ticker
- LSE:0Y3M
- Asset type
- Stock
- Sector
- Health care
- Industry
- Biotechnology
- Exchange
- LSE
- Currency
- USD
What changed lately
Latest news release · Sep 9, 2026
Prothena to Participate in the H.C. Wainwright 28th Annual Global Investment Conference
Latest earnings call · Feb 19, 2026
Prothena (NASDAQ:PRTA) Q4 2025 Earnings Call
Replay and transcript
Latest deck · Mar 21, 2026
Technical Presentation (March 2026)
Technical · 22 slides
Calls
Replays
Prothena (NASDAQ:PRTA) Q4 2025 Earnings Call
Thu, Feb 19, 2026 · 4:30 PM ET
Watch TranscriptProthena (NASDAQ:PRTA) Q4 2024 Earnings Call
Thu, Feb 20, 2025 · 4:30 PM ET
Watch TranscriptProthena (NASDAQ:PRTA) Q4 2023 Earnings Call
Thu, Feb 15, 2024 · 4:30 PM ET
Watch Transcript
Latest news
Decks
Technical Presentation (March 2026)
Technical · 22 slides · Mar 21, 2026
Q4 2025 Earnings Presentation
Earnings · 31 slides · Feb 19, 2026
Technical Presentation (November 2025)
Technical · 16 slides · Nov 10, 2025
ADPD 2025
Conference · 24 slides · Apr 1, 2025
Prothena Corporation plc on 6ix
- Sector
- Health care
- Industry
- Biotechnology
- News releases
- 19 in the last 12 months · 112 in all · newest Sep 9, 2026 · oldest 2019
- Calls
- 6 calls with a replay · 6 with a transcript · latest Feb 19, 2026
- Decks
- 10 decks · latest Mar 21, 2026
Where Prothena Corporation plc is listed
| Listing | Exchange | Country | Currency |
|---|---|---|---|
| NASDAQ:PRTA · Home listing | NASDAQ | United States | USD |
| Tradegate:0PT | Tradegate | Germany | EUR |
| gettex:0PT | gettex | Germany | EUR |
| LS Exchange:A1KAVV | LS Exchange | Germany | EUR |
| Lang & Schwarz:A1KAVV | Lang & Schwarz | Germany | EUR |
| LSE:0Y3M · This page | LSE | United Kingdom | USD |
| BOATS:PRTA | BOATS | United States | USD |
| Dusseldorf:0PT | Dusseldorf | Germany | EUR |
| Frankfurt:0PT | Frankfurt | Germany | EUR |
| Munich:0PT | Munich | Germany | EUR |
| Stuttgart:0PT | Stuttgart | Germany | EUR |
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