Stock listing
Stuttgart:0PT Prothena Corporation plc Aktie
German listing (Stuttgart) of Prothena Corporation plc · home listing NASDAQ:PRTA
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Home listing price · NASDAQ:PRTA
$8.47 USD -0.41 (-4.6%)
Close on Oct 30, 2026 · This listing has no price on 6ix; the price shown is the home listing's, NASDAQ:PRTA
- Day range
- $8.35 – $8.90 USDOct 30, 2026
- Volume
- 452,298 sharesOct 30, 2026
- Market cap
- $434.8M USDAt the close on Oct 30, 2026 · price × 51.34M shares outstanding
- 52-week range
- $7.73 – $11.80 USDLowest and highest trades, Oct 31, 2025 – Oct 30, 2026
- Traded on an average day
- $4.12M USDMedian day 411,723 shares · last 3 months, Jul 30, 2026 – Oct 30, 2026
Prices by listing
| Listing | Last | Change | Volume | Open | High | Low | Previous close | Price from |
|---|---|---|---|---|---|---|---|---|
| NASDAQ:PRTA · Home | $8.47 USD | -0.41 (-4.6%) | 452,298 | $8.79 | $8.90 | $8.345 | $8.88 | Close on Oct 30, 2026 |
| LSE:0Y3M | $8.514 USD | +0.264 (+3.2%) | 2 | $8.14 | $8.514 | $8.14 | $8.25 | Close on Oct 27, 2026 |
| Frankfurt:0PT | €7.396 EUR | -0.298 (-3.9%) | — | €7.64 | €7.64 | €7.396 | €7.694 | Close on Oct 30, 2026 |
Daily closes
Last 3 months, Jul 30, 2026 – Oct 30, 2026 · NASDAQ:PRTA · USD, adjusted for splits
| Day | Close | Change | % | Open | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| $8.47 | -0.41 | -4.6% | $8.79 | $8.90 | $8.345 | 452,298 | |
| $8.88 | -0.22 | -2.4% | $9.10 | $9.26 | $8.75 | 370,069 | |
| $9.10 | +0.29 | +3.3% | $8.64 | $9.22 | $8.605 | 751,997 | |
| $8.81 | +0.41 | +4.9% | $8.40 | $8.85 | $8.35 | 654,349 | |
| $8.40 | +0.20 | +2.4% | $8.34 | $8.49 | $8.21 | 594,543 | |
| $8.20 | -0.05 | -0.6% | $8.18 | $8.268 | $7.93 | 386,145 | |
| $8.25 | +0.22 | +2.7% | $8.01 | $8.285 | $7.96 | 381,831 | |
| $8.03 | -0.47 | -5.5% | $8.47 | $8.54 | $8.01 | 461,394 | |
| $8.50 | +0.02 | +0.2% | $8.55 | $8.645 | $8.45 | 529,034 | |
| $8.48 | +0.13 | +1.6% | $8.39 | $8.57 | $8.31 | 361,132 | |
| $8.35 | -0.15 | -1.8% | $8.58 | $8.62 | $8.24 | 670,257 | |
| $8.50 | +0.13 | +1.6% | $8.54 | $8.65 | $8.44 | 358,380 | |
| $8.37 | +0.01 | +0.1% | $8.28 | $8.56 | $8.19 | 620,027 | |
| $8.36 | -0.07 | -0.8% | $8.45 | $8.55 | $8.20 | 573,312 | |
| $8.43 | -0.41 | -4.6% | $8.81 | $8.81 | $8.395 | 489,760 | |
| $8.84 | +0.23 | +2.7% | $8.57 | $9.305 | $8.50 | 931,625 | |
| $8.61 | +0.13 | +1.5% | $8.43 | $8.81 | $8.36 | 642,408 | |
| $8.48 | +0.46 | +5.7% | $7.93 | $8.63 | $7.88 | 690,412 | |
| $8.02 | -0.25 | -3.0% | $8.28 | $8.28 | $7.80 | 510,608 | |
| $8.27 | -0.09 | -1.1% | $8.335 | $8.37 | $7.91 | 714,462 | |
| $8.36 | -0.18 | -2.1% | $8.62 | $8.62 | $8.35 | 675,839 | |
| $8.54 | +0.16 | +1.9% | $8.54 | $8.58 | $8.35 | 457,092 | |
| $8.38 | -0.40 | -4.6% | $8.98 | $8.99 | $8.365 | 634,780 | |
| $8.78 | +0.06 | +0.7% | $8.66 | $8.80 | $8.59 | 602,979 | |
| $8.72 | +0.43 | +5.2% | $8.25 | $8.86 | $8.073 | 488,859 | |
| $8.29 | -0.03 | -0.4% | $8.38 | $8.52 | $8.185 | 481,048 | |
| $8.32 | -0.36 | -4.1% | $8.63 | $8.73 | $8.28 | 426,063 | |
| $8.68 | -0.31 | -3.4% | $8.94 | $8.97 | $8.665 | 357,843 | |
| $8.99 | +0.48 | +5.6% | $8.72 | $9.09 | $8.70 | 445,500 | |
| $8.51 | -0.07 | -0.8% | $8.59 | $8.795 | $8.46 | 363,158 | |
| $8.58 | +0.12 | +1.4% | $8.41 | $8.60 | $8.25 | 1,830,892 | |
| $8.46 | +0.22 | +2.7% | $8.39 | $8.56 | $8.23 | 404,760 | |
| $8.24 | -0.09 | -1.1% | $8.35 | $8.50 | $8.20 | 398,337 | |
| $8.33 | -0.53 | -6.0% | $8.86 | $8.86 | $8.295 | 323,438 | |
| $8.86 | -0.07 | -0.8% | $8.95 | $8.99 | $8.79 | 374,872 | |
| $8.93 | -0.09 | -1.0% | $9.06 | $9.14 | $8.765 | 376,275 | |
| $9.02 | -0.28 | -3.0% | $9.25 | $9.255 | $8.97 | 310,912 | |
| $9.30 | -0.24 | -2.5% | $9.40 | $9.496 | $9.22 | 294,558 | |
| $9.54 | -0.28 | -2.9% | $9.60 | $9.67 | $9.345 | 305,440 | |
| $9.82 | +0.22 | +2.3% | $9.50 | $9.87 | $9.48 | 383,928 | |
| $9.60 | -0.085 | -0.9% | $9.77 | $9.78 | $9.512 | 277,055 | |
| $9.685 | +0.075 | +0.8% | $9.64 | $9.75 | $9.37 | 341,055 | |
| $9.61 | +0.26 | +2.8% | $9.28 | $9.63 | $9.26 | 267,669 | |
| $9.35 | +0.02 | +0.2% | $9.26 | $9.40 | $9.10 | 335,149 | |
| $9.33 | +0.24 | +2.6% | $9.02 | $9.479 | $8.95 | 498,115 | |
| $9.09 | -0.16 | -1.7% | $9.16 | $9.24 | $8.95 | 338,921 | |
| $9.25 | -0.17 | -1.8% | $9.40 | $9.40 | $9.153 | 289,040 | |
| $9.42 | +0.03 | +0.3% | $9.51 | $9.82 | $9.42 | 363,713 | |
| $9.39 | -0.06 | -0.6% | $9.46 | $9.49 | $9.19 | 248,124 | |
| $9.45 | +0.42 | +4.7% | $9.11 | $9.52 | $9.09 | 376,044 | |
| $9.03 | -0.26 | -2.8% | $9.13 | $9.145 | $8.71 | 345,968 | |
| $9.29 | +0.58 | +6.7% | $8.91 | $9.34 | $8.91 | 385,539 | |
| $8.71 | -0.17 | -1.9% | $8.88 | $9.00 | $8.58 | 248,560 | |
| $8.88 | +0.02 | +0.2% | $8.84 | $9.075 | $8.729 | 365,922 | |
| $8.86 | -0.22 | -2.4% | $9.04 | $9.15 | $8.839 | 312,600 | |
| $9.08 | -0.18 | -1.9% | $9.30 | $9.365 | $9.04 | 343,057 | |
| $9.26 | +0.04 | +0.4% | $9.22 | $9.31 | $9.09 | 274,927 | |
| $9.22 | +0.10 | +1.1% | $9.12 | $9.285 | $8.862 | 475,252 | |
| $9.12 | +0.36 | +4.1% | $8.76 | $9.17 | $8.53 | 713,687 | |
| $8.76 | +0.18 | +2.1% | $8.54 | $8.85 | $8.04 | 481,884 | |
| $8.58 | +0.09 | +1.1% | $8.50 | $8.766 | $8.33 | 418,686 | |
| $8.49 | 0.00 | 0.0% | $8.49 | $8.735 | $8.405 | 489,491 | |
| $8.49 | +0.16 | +1.9% | $8.33 | $8.58 | $8.33 | 329,913 | |
| $8.33 | +0.21 | +2.6% | $8.17 | $8.38 | $8.04 | 566,000 | |
| $8.12 | -0.29 | -3.4% | $8.41 | $8.51 | $8.00 | 545,490 | |
| $8.41 | -0.15 | -1.8% | $8.50 | $8.555 | $8.255 | 502,233 |
- Ticker
- Stuttgart:0PT
- Asset type
- Stock
- Sector
- Health care
- Industry
- Biotechnology
- Exchange
- Stuttgart
- Currency
- EUR
What changed lately
Latest news release · Oct 29, 2026
Prothena to Report Third Quarter 2026 Financial Results on November 5
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
Prothena to Report Third Quarter 2026 Financial Results on November 5
Oct 29, 2026
Closed $8.47 (-4.6%) on Oct 30, 2026
Prothena to Participate in the H.C. Wainwright 28th Annual Global Investment Conference
Sep 9, 2026
Closed $9.02 (-3.0%) on Sep 10, 2026
Prothena Reports Second Quarter 2026 Financial Results and Business Highlights
Aug 6, 2026
Closed $8.76 (+2.1%) on Aug 7, 2026
Prothena to Report Second Quarter 2026 Financial Results on August 6
Jul 30, 2026
Closed $8.12 (-3.4%) on Jul 31, 2026
Prothena Reports First Quarter 2026 Financial Results and Business Highlights
May 7, 2026
Closed $10.73 (+2.0%) on May 8, 2026
Prothena to Report First Quarter 2026 Financial Results on May 7
Apr 30, 2026
Closed $10.64 (-3.8%) on May 1, 2026
Prothena Announces Novo Nordisk Obtains Fast Track Designation from the U.S. FDA for Coramitug (PRX004) in ATTR Amyloidosis with Cardiomyopathy
Apr 27, 2026
Closed $11.51 (+6.7%) on Apr 28, 2026
Prothena Announces Leadership Team Updates
Apr 10, 2026
Closed $10.50 (-0.8%) on Apr 10, 2026
Prothena: Director's Report and Financial Statements for Fiscal Year 2025
Mar 27, 2026
Closed $9.25 (-0.1%) on Mar 30, 2026
Prothena Partners Present Data Supporting Next Generation Treatments for Parkinson’s and Alzheimer’s Disease at AD/PD™ 2026
Mar 21, 2026
Closed $8.82 (+0.8%) on Mar 23, 2026
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 · 113 in all · newest Oct 29, 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 | 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 · This page | Stuttgart | Germany | EUR |
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