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
2Y chart
Events in this range
- Nov 12, 2024Earnings: -1.1; estimate -1.18; surprise 6.78%
- Nov 13, 2024Rating: HC Wainwright & Co. · Buy → Buy
- Dec 19, 2024Rating: B of A Securities · Neutral → Neutral
- Dec 20, 2024Rating: Chardan Capital · — → Buy
- Dec 20, 2024Rating: HC Wainwright & Co. · Buy → Buy
Signals (102)
| Name | Date | Ago |
|---|---|---|
| SMA: Bearish | Oct 30, 2026 | 2 days ago |
| SMA: Bullish | Oct 27, 2026 | 5 days ago |
| MACD: Buy Signal | Oct 26, 2026 | 6 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 9, 2026 | 3 months ago |
| SMA: Bullish | Jul 8, 2026 | 3 months ago |
| SMA: Bullish | Jul 7, 2026 | 3 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 |
| 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 19, 2026 | 5 months ago |
| SMA: Bullish | May 13, 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 |
| MACD: Buy Signal | Apr 28, 2026 | 6 months ago |
| RSI: Overbought | Apr 28, 2026 | 6 months ago |
| MACD: Sell Signal | Apr 24, 2026 | 6 months ago |
| MACD: Buy Signal | Mar 26, 2026 | 7 months ago |
| SMA: Bullish | Mar 25, 2026 | 7 months ago |
| SMA: Bullish | Mar 20, 2026 | 7 months ago |
| SMA: Bearish | Mar 18, 2026 | 7 months ago |
| SMA: Bearish | Mar 16, 2026 | 7 months ago |
| MACD: Sell Signal | Mar 16, 2026 | 7 months ago |
| SMA: Bullish | Mar 2, 2026 | 8 months ago |
| MACD: Buy Signal | Mar 2, 2026 | 8 months ago |
| MACD: Sell Signal | Feb 27, 2026 | 8 months ago |
| MACD: Buy Signal | Feb 13, 2026 | 8 months ago |
| SMA: Bullish | Feb 6, 2026 | 8 months ago |
| SMA: Bearish | Feb 5, 2026 | 8 months ago |
| MACD: Sell Signal | Jan 30, 2026 | 9 months ago |
| SMA: Bearish | Jan 27, 2026 | 9 months ago |
| SMA: Bullish | Jan 22, 2026 | 9 months ago |
| MACD: Buy Signal | Jan 14, 2026 | 9 months ago |
| SMA: Bearish | Dec 15, 2025 | 10 months ago |
| SMA: Bullish | Dec 12, 2025 | 10 months ago |
| SMA: Bearish | Dec 9, 2025 | 10 months ago |
| MACD: Sell Signal | Dec 9, 2025 | 10 months ago |
| MACD: Buy Signal | Dec 3, 2025 | 11 months ago |
| MACD: Sell Signal | Dec 1, 2025 | 11 months ago |
| MACD: Buy Signal | Nov 28, 2025 | 11 months ago |
| MACD: Sell Signal | Oct 16, 2025 | 1 year ago |
| RSI: Overbought | Oct 15, 2025 | 1 year ago |
| RSI: Overbought | Oct 13, 2025 | 1 year ago |
| SMA: Bullish | Oct 7, 2025 | 1 year ago |
| MACD: Buy Signal | Sep 24, 2025 | 1 year ago |
| RSI: Overbought | Sep 24, 2025 | 1 year ago |
| MACD: Sell Signal | Aug 28, 2025 | 1 year ago |
| RSI: Overbought | Aug 13, 2025 | 1 year ago |
| RSI: Overbought | Aug 6, 2025 | 1 year ago |
| SMA: Bullish | Jul 8, 2025 | 1 year ago |
| MACD: Buy Signal | Jun 5, 2025 | 1 year ago |
| MACD: Sell Signal | May 27, 2025 | 1 year ago |
| RSI: Oversold | May 21, 2025 | 1 year ago |
| MACD: Buy Signal | May 16, 2025 | 1 year ago |
| MACD: Sell Signal | May 5, 2025 | 1 year ago |
| RSI: Oversold | Apr 30, 2025 | 1 year ago |
| MACD: Buy Signal | Apr 24, 2025 | 1 year ago |
| RSI: Oversold | Apr 15, 2025 | 1 year ago |
| RSI: Oversold | Apr 8, 2025 | 1 year ago |
| SMA: Bearish | Mar 11, 2025 | 1 year ago |
| MACD: Sell Signal | Mar 10, 2025 | 1 year ago |
| SMA: Bullish | Mar 4, 2025 | 1 year ago |
| SMA: Bearish | Mar 3, 2025 | 1 year ago |
| SMA: Bullish | Feb 19, 2025 | 1 year ago |
| MACD: Buy Signal | Feb 19, 2025 | 1 year ago |
| SMA: Bearish | Feb 7, 2025 | 1 year ago |
| MACD: Sell Signal | Feb 6, 2025 | 1 year ago |
| MACD: Buy Signal | Feb 5, 2025 | 1 year ago |
| SMA: Bullish | Feb 4, 2025 | 1 year ago |
| MACD: Sell Signal | Feb 4, 2025 | 1 year ago |
| SMA: Bearish | Jan 31, 2025 | 1 year ago |
| SMA: Bullish | Jan 23, 2025 | 1 year ago |
| MACD: Buy Signal | Jan 21, 2025 | 1 year ago |
| MACD: Sell Signal | Jan 10, 2025 | 1 year ago |
| MACD: Buy Signal | Jan 8, 2025 | 1 year ago |
| MACD: Sell Signal | Jan 6, 2025 | 1 year ago |
| MACD: Buy Signal | Dec 19, 2024 | 1 year 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
- Prothena (NASDAQ:PRTA) Shares Break Below Two Hundred Day Moving Average – What’s Next?
- Prothena's Partnership Strategy: Growth Driver or Limitation?
- Prothena Corporation plc (NASDAQ:PRTA) Stock Has Average Price Target of $24.57
- Prothena (NASDAQ:PRTA) Stock: Insider William Scully Acquires 125,000 Shares
- CRMD vs. PRTA: Which Stock Should Value Investors Buy Now?
- 4 Alzheimer's Drug Stocks to Watch on World Alzheimer's Day
- Prothena Corporation plc (NASDAQ:PRTA) Receives $24.57 Consensus PT from Analysts
- Prothena to Participate in the H.C. Wainwright 28th Annual Global Investment Conference
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 |