Prothena Corporation plc PRTA
Set alert
At close · Oct 30
After hours · Oct 30, 4:00 PM ET
- YTD
- -11.31%
- 1 year
- -19.18%
- Open
- 8.79
- Prev close
- 8.88
- Mkt cap
- 434.82M
- Vol
- 452.30K
- Avg vol
- 472.70K
- EPS
- -0.82
- P/E
- 0.00
- Div yield
- 0.00%
More statistics
- Low
- 8.35
- High
- 8.90
- Forward P/E
- -3.57
- Beta
- 0.16
- Short ratio
- 17.35
- Inst. own
- 96.97%
- Dividend
- 0.00
- Ex-div date
- 50-d avg
- 15.72
- 200-d avg
- 20.26
- 1y target
- 49.75
6M chart
Signals (45)
| Name | Date | Ago |
|---|---|---|
| SMA: Bearish | Oct 30, 2026 | 1 day ago |
| SMA: Bearish | Oct 30, 2026 | 1 day ago |
| SMA: Bullish | Oct 28, 2026 | 3 days ago |
| SMA: Bullish | Oct 27, 2026 | 4 days ago |
| MACD: Buy Signal | Oct 26, 2026 | 5 days ago |
| MACD: Sell Signal | Oct 21, 2026 | 1 week ago |
| MACD: Buy Signal | Oct 8, 2026 | 3 weeks ago |
| SMA: Bearish | Sep 23, 2026 | 1 month ago |
| SMA: Bullish | Sep 22, 2026 | 1 month ago |
| SMA: Bearish | Sep 10, 2026 | 1 month ago |
| MACD: Sell Signal | Sep 10, 2026 | 1 month ago |
| SMA: Bearish | Sep 9, 2026 | 1 month ago |
| SMA: Bullish | Sep 1, 2026 | 2 months ago |
| SMA: Bullish | Aug 19, 2026 | 2 months ago |
| SMA: Bearish | Aug 14, 2026 | 2 months ago |
| SMA: Bullish | Aug 10, 2026 | 2 months ago |
| MACD: Buy Signal | Aug 6, 2026 | 2 months ago |
| MACD: Sell Signal | Jul 13, 2026 | 3 months ago |
| SMA: Bearish | Jul 10, 2026 | 3 months ago |
| SMA: Bearish | Jul 10, 2026 | 3 months ago |
| SMA: Bullish | Jul 7, 2026 | 3 months ago |
| SMA: Bullish | Jul 7, 2026 | 3 months ago |
| SMA: Bearish | Jul 6, 2026 | 3 months ago |
| SMA: Bullish | Jul 2, 2026 | 4 months ago |
| SMA: Bearish | Jul 1, 2026 | 4 months ago |
| SMA: Bearish | Jul 1, 2026 | 4 months ago |
| SMA: Bullish | Jun 26, 2026 | 4 months ago |
| SMA: Bullish | Jun 26, 2026 | 4 months ago |
| SMA: Bearish | Jun 24, 2026 | 4 months ago |
| SMA: Bullish | Jun 23, 2026 | 4 months ago |
| MACD: Buy Signal | Jun 18, 2026 | 4 months ago |
| RSI: Oversold | Jun 10, 2026 | 4 months ago |
| MACD: Sell Signal | Jun 2, 2026 | 5 months ago |
| SMA: Bearish | Jun 1, 2026 | 5 months ago |
| SMA: Bearish | Jun 1, 2026 | 5 months ago |
| SMA: Bullish | May 29, 2026 | 5 months ago |
| MACD: Buy Signal | May 28, 2026 | 5 months ago |
| SMA: Bearish | May 27, 2026 | 5 months ago |
| SMA: Bullish | May 26, 2026 | 5 months ago |
| SMA: Bullish | May 22, 2026 | 5 months ago |
| SMA: Bearish | May 18, 2026 | 5 months ago |
| SMA: Bullish | May 14, 2026 | 5 months ago |
| SMA: Bearish | May 12, 2026 | 5 months ago |
| SMA: Bearish | May 11, 2026 | 5 months ago |
| MACD: Sell Signal | May 1, 2026 | 6 months ago |
Key statistics
- Market cap
- 824.89M
- Enterprise value
- 311.20M
- Trailing P/E
- 0.00
- Forward P/E
- -3.57
- PEG ratio
- 0.00
- Price / sales
- 6.19
- Price / book
- 1.54
- EPS (TTM)
- -2.46
- Beta
- 0.16
- Dividend yield
- 0.00%
- Payout ratio
- 0.00%
- Profit margin
- -98.86%
- Revenue (TTM)
- 133.35M
- Revenue growth
- -98.90%
- Free cash flow
- -63.20M
- Total cash
- 519.26M
- Total debt
- 11.49M
- Return on equity
- -22.90%
- Shares outstanding
- 53.81M
- Short % of float
- 23.59%
- 50-day average
- 15.72
- 200-day average
- 20.26
Analyst view
Consensus: buy
- Target (low)
- 22.00
- Target (mean)
- 49.75
- Target (high)
- 94.00
- Strong buy3
- Buy5
- Hold2
- Sell0
- Strong sell0
Next earnings
Consensus EPS estimate -1.04.
Financials — quick view
Earnings
| Report date | Quarter ending | EPS estimate | EPS reported | Surprise | Surprise % |
|---|---|---|---|---|---|
| Nov 12, 2024 | Sep 1, 2024 | -1.18 | -1.10 | +0.08 | +6.78% |
| Aug 8, 2024 | Jun 1, 2024 | -1.01 | 1.22 | +2.23 | +220.79% |
| May 8, 2024 | Mar 1, 2024 | -1.21 | -1.34 | -0.13 | -10.74% |
| Feb 15, 2024 | Dec 1, 2023 | -1.23 | -1.26 | -0.03 | -2.44% |
| Nov 2, 2023 | Sep 1, 2023 | -0.26 | 0.38 | +0.64 | +246.15% |
| Aug 3, 2023 | Jun 1, 2023 | -0.92 | -1.03 | -0.11 | -11.96% |
Upgrades / downgrades
| Date | Firm | Action | From | To |
|---|---|---|---|---|
| Dec 20, 2024 | HC Wainwright & Co. | reit | Buy | Buy |
| Dec 20, 2024 | Chardan Capital | init | — | Buy |
| Dec 19, 2024 | B of A Securities | main | Neutral | Neutral |
| Nov 13, 2024 | HC Wainwright & Co. | reit | Buy | Buy |
| Oct 1, 2024 | B of A Securities | main | Neutral | Neutral |
| Oct 1, 2024 | HC Wainwright & Co. | reit | Buy | Buy |
About Prothena Corporation plc
Prothena Corporation plc, a late-stage clinical biotechnology company, focuses on discovery and development of novel therapies to treat diseases caused by protein dysregulation in the United States. The company is involved in developing birtamimab, an investigational humanized antibody that is in Phase III clinical trial for the treatment of AL amyloidosis; Prasinezumab, a humanized monoclonal antibody, for the treatment of Parkinson's disease and other related synucleinopathies which is in Phase IIb clinical trial; NNC6019 that is in Phase lI clinical trial for the treatment of ATTR amyloidosis; and BMS-986446 and PRX012, which is in Phase I clinical trial for the treatment of Alzheimer's disease. Its discovery and preclinical programs include PRX123, a dual Aß-Tau vaccine for the treatment and prevention of Alzheimer's disease; and PRX019 for the treatment of neurogenerative diseases, as well as TDP-43 for the treatment of amyotrophic lateral sclerosis. Prothena Corporation plc has a license, development, and commercialization agreement with F. Hoffmann-La Roche Ltd. and Hoffmann-La Roche Inc. to develop and commercialize antibodies that target a-synuclein, including prasinezumab; and a collaboration agreement with Bristol-Myers Squibb to develop and commercialize antibodies targeting tau, TDP-43. The company was incorporated in 2012 and is based in Dublin, Ireland.
- Sector
- Healthcare
- Industry
- Biotechnology
- Country
- Ireland
- Website
- prothena.com
News
- Prothena (NASDAQ:PRTA) Major Shareholder William Scully Purchases 50,000 Shares of Company Stock
- Prothena (NASDAQ:PRTA) Major Shareholder William Scully Buys 100,000 Shares of Stock
- CORRECTION: Prothena Corp Q2 EPS $(0.36) Misses $(0.09) Estimate, Sales $1.010M Miss $28.295M Estimate
- 12 Health Care Stocks Moving In Tuesday's Pre-Market Session
- Why Crown Holdings Shares Are Trading Higher; Here Are 20 Stocks Moving Premarket
- UPDATED: Watching Prothena; Shares Spike Higher, Form4 Filing Shows William P. Scully Bought 100,000 Shares At An Average Price Of $9.81/Share
- Citizens Maintains Market Outperform on Prothena Corp, Raises Price Target to $20
- Prothena Corp Q1 EPS $0.60 Beats $(0.34) Estimate, Sales $51.084M Beat $1.010M Estimate
- 12 Health Care Stocks Moving In Monday's After-Market Session
- Prothena Announces Coramitug Amyloid Depleter Antibody Receives FDA's Fast Track Designation To Treat ATTR Amyloidosis With Cardiomyopathy
Your note
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Insider holders
| Insider | Relation | Latest transaction | Date | Shares held |
|---|---|---|---|---|
| COOKE SHANE M | Director | Conversion of Exercise of derivative security | Jan 9, 2023 | 0 |
| GARREN HIDEKI | Officer | Conversion of Exercise of derivative security | Sep 12, 2023 | 0 |
| KARP CAROL D | Officer | Conversion of Exercise of derivative security | Oct 3, 2023 | 0 |
| KINNEY GENE G PH.D. | Chief Executive Officer | Conversion of Exercise of derivative security | May 16, 2023 | 12,793 |
| MALECEK MICHAEL J. | Officer | Conversion of Exercise of derivative security | Sep 26, 2023 | 0 |
| NGUYEN TRAN BRYAN | Chief Financial Officer | Conversion of Exercise of derivative security | May 16, 2023 | 3,200 |
Institution ownership
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| EcoR1 Capital, LLC | 21.53% | 11,584,280 | 177.59M | Sep 29, 2024 |
| FMR, LLC | 14.99% | 8,066,983 | 123.67M | Sep 29, 2024 |
| Wellington Management Group, LLP | 7.77% | 4,178,788 | 64.06M | Sep 29, 2024 |
| Blackrock Inc. | 7.49% | 4,028,387 | 61.76M | Sep 29, 2024 |
| Price (T.Rowe) Associates Inc | 7.10% | 3,822,434 | 58.60M | Sep 29, 2024 |
| Palo Alto Investors Lp | 3.23% | 1,737,964 | 26.64M | Sep 29, 2024 |
Fund ownership
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| Vanguard Specialized-Health Care Fund | 5.59% | 3,007,603 | 46.11M | Jul 30, 2024 |
| Fidelity Growth Company Fund | 4.38% | 2,355,277 | 36.11M | Oct 30, 2024 |
| Price (T.Rowe) New Horizons Fund | 3.52% | 1,891,627 | 29.00M | Sep 29, 2024 |
| iShares Russell 2000 ETF | 2.02% | 1,086,121 | 16.65M | Oct 30, 2024 |
| Fidelity Growth Company K6 Fund | 1.52% | 816,390 | 12.52M | Oct 30, 2024 |
| Fidelity Series Growth Company Fund | 1.41% | 758,605 | 11.63M | Oct 30, 2024 |