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Prothena Corporation plc (PRTA)

Market Closed
17 Jul, 20:00
NASDAQ (NGS) NASDAQ (NGS)
$
8. 66
+0.19
+2.2432%
$
483.74M Market Cap
- P/E Ratio
- Div Yield
397,200 Volume
-2.73 Eps
$ 8.47
Previous Close
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Day Range
8.28 8.8
Year Range
6.24 11.8
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PRTA Stock Rises Nearly 11% in Six Months: What's Driving It?

PRTA Stock Rises Nearly 11% in Six Months: What's Driving It?

Prothena shares climb as late-stage partnered programs advance, milestone payments strengthen finances and its neurodegenerative pipeline continues to expand.

Zacks | 1 week ago
Prothena Posts Q1 Earnings as Revenues Surge on Milestone Payment

Prothena Posts Q1 Earnings as Revenues Surge on Milestone Payment

PRTA posted a Q1 profit as a $50M Novo Nordisk milestone payment boosted revenue and improved its 2026 cash outlook.

Zacks | 2 months ago
Wall Street Analysts Think Prothena (PRTA) Could Surge 120.19%: Read This Before Placing a Bet

Wall Street Analysts Think Prothena (PRTA) Could Surge 120.19%: Read This Before Placing a Bet

The mean of analysts' price targets for Prothena (PRTA) points to a 120.2% upside in the stock. While this highly sought-after metric has not proven reasonably effective, strong agreement among analysts in raising earnings estimates does indicate an upside in the stock.

Zacks | 3 months ago
Prothena: A Hold With 2 Late-Stage Programs Underway But With Caution

Prothena: A Hold With 2 Late-Stage Programs Underway But With Caution

Prothena Corporation plc is maintained at a Hold rating due to mixed phase 2 data and long timelines for key programs. PRTA's leading assets, prasinezumab (Parkinson's disease) and coramitug (ATTR-CM), are in phase 3 trials with primary completion expected in 2029. The Bristol-Myers Squibb partnership provides up to $1.55 billion in milestones and royalties, with BMS-986446 in phase 2 for early Alzheimer's.

Seekingalpha | 4 months ago
Wall Street Analysts Believe Prothena (PRTA) Could Rally 118.09%: Here's is How to Trade

Wall Street Analysts Believe Prothena (PRTA) Could Rally 118.09%: Here's is How to Trade

The consensus price target hints at an 118.1% upside potential for Prothena (PRTA). While empirical research shows that this sought-after metric is hardly effective, an upward trend in earnings estimate revisions could mean that the stock will witness an upside in the near term.

Zacks | 4 months ago
Prothena Q4 Earnings Meet Estimates, Pipeline Progress in Focus

Prothena Q4 Earnings Meet Estimates, Pipeline Progress in Focus

PRTA posts a narrower year-over-year Q4 loss. Revenues miss estimates, as it outlines 2026 cash burn guidance and eyes key milestones from partners.

Zacks | 4 months ago
Prothena Corporation plc (PRTA) Q4 2025 Earnings Call Transcript

Prothena Corporation plc (PRTA) Q4 2025 Earnings Call Transcript

Prothena Corporation plc (PRTA) Q4 2025 Earnings Call Transcript

Seekingalpha | 4 months ago
Prothena (PRTA) Reports Q4 Loss, Lags Revenue Estimates

Prothena (PRTA) Reports Q4 Loss, Lags Revenue Estimates

Prothena (PRTA) came out with a quarterly loss of $0.44 per share versus the Zacks Consensus Estimate of a loss of $0.45. This compares to a loss of $1.08 per share a year ago.

Zacks | 4 months ago
Prothena Stock Tumbles 36.8% Year Over Year: What Lies Ahead?

Prothena Stock Tumbles 36.8% Year Over Year: What Lies Ahead?

PRTA stock declines 36.8% in a year as birtamimab's failure, earnings miss and reliance on partner programs weigh on investor confidence.

Zacks | 5 months ago
All You Need to Know About Prothena (PRTA) Rating Upgrade to Buy

All You Need to Know About Prothena (PRTA) Rating Upgrade to Buy

Prothena (PRTA) might move higher on growing optimism about its earnings prospects, which is reflected by its upgrade to a Zacks Rank #2 (Buy).

Zacks | 5 months ago
Prothena Q3 Earnings Miss Estimates, Pipeline Progress in Focus

Prothena Q3 Earnings Miss Estimates, Pipeline Progress in Focus

Prothena's Q3 loss widened as revenues fell short of estimates, but its Alzheimer and Parkinson's drug programs gained FDA momentum and key collaborations advanced.

Zacks | 8 months ago
Prothena (PRTA) Reports Q3 Loss, Lags Revenue Estimates

Prothena (PRTA) Reports Q3 Loss, Lags Revenue Estimates

Prothena (PRTA) came out with a quarterly loss of $0.67 per share versus the Zacks Consensus Estimate of a loss of $0.6. This compares to a loss of $1.1 per share a year ago.

Zacks | 8 months ago
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