Prothena Corporation plc
PRTA scores 9.5 on the Conservative profile, blending a fundamental score (80% weight, emphasizing quality and stability (84% of fundamental weight)) with a machine-learning signal (20% weight) trained on 82 features across 30 years of data.
Moderate penalties (-8.4 points) reflect identified risk factors. The overall score balances these against the stock's fundamental strengths.
These features are direct inputs to the machine learning model. The model was trained on these signals alongside 100 features (including 12 momentum/technical indicators) to produce the ML percentile score.
| Stock | Score | P/E | Rev Growth | Margin | Mkt Cap |
|---|---|---|---|---|---|
| PRTA | 9.5 | N/A | -92.8% | -2520.6% | $486M |
| INCY | 89.9 | 15.8 | 21.2% | 25.0% | $19.6B |
| GMAB | 86.1 | 13.1 | 22.8% | 36.4% | $17.9B |
| CPRX | 83.7 | 13.7 | 23.5% | 37.6% | $3.0B |
| ASND | 78.3 | 16.6 | 98.0% | -31.7% | $13.8B |
| EXEL | 78.3 | 15.1 | 7.0% | 33.7% | $11.9B |
| VRTX | 78.2 | 32.1 | 8.9% | 32.9% | $121.8B |
| NBIX | 75.1 | 26.5 | 21.4% | 16.7% | $13.1B |
| RPRX | 75.0 | 25.1 | 5.1% | 32.4% | $19.3B |
| HOLX | 74.8 | 31.1 | 1.7% | 13.8% | $16.8B |
| AMGN | 74.2 | 26.0 | 10.0% | 21.0% | $204.8B |
| ARGX | 73.7 | 35.1 | 78.6% | 38.0% | $47.4B |
| REGN | 73.0 | 19.4 | 1.0% | 31.4% | $80.2B |
| ALKS | 72.9 | 16.5 | -6.4% | 23.9% | $5.0B |
| ISRG | 72.7 | 61.7 | 20.5% | 28.4% | $180.9B |
| KRYS | 71.5 | 41.4 | 473.0% | 30.7% | $7.9B |
| Sector Average | 36.6 | 41.9 | 161.5% | -3292.7% | โ |
Prothena Corporation plc, a late-stage clinical company, focuses on discovery and development of novel therapies for life-threatening diseases 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, which is in Phase IIb clinical trial for the treatment of Parkinson's disease; PRX004 that completed Phase I clinical trial for the treatment of Transthyretin amyloidosis; and PRX005, which is in Phase I clinical trial for the treatment of Alzheimer's disease. Its discovery and preclinical programs include PRX012 for the treatment of Alzheimer's disease; and dual Aร-Tau vaccine for the treatment and prevention of Alzheimer's disease. 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 alpha-synuclein; and a collaboration agreement with Bristol-Myers Squibb to develop antibodies. The company was founded in 2012 and is based in Dublin, Ireland.
Stock is in an uptrend above the 200-day moving average. This is the stage where institutional accumulation typically occurs. The 50-day SMA provides support.
| Metric | Q4 2025 | Q3 2025 | Q2 2025 | Q1 2025 |
|---|---|---|---|---|
| Revenue | $21,000 | $2M | $4M | $3M |
| Gross Profit | $0 | $-27M | $4M | $3M |
| Operating Income | $-27M | $-40M | $-85M | $-66M |
| Net Income | $-22M | $-37M | $-126M | $-60M |
| EPS (Diluted) | $-0.40 | $-0.68 | $-2.34 | $-1.12 |
| Gross Margin | 0.0% | -1098.3% | 100.0% | 100.0% |
| Operating Margin | -129576.2% | -1666.3% | -1914.4% | -2319.0% |
| Net Margin | -102804.8% | -1513.1% | -2845.4% | -2128.5% |
Growth estimates have been dampened based on technical and fundamental signals. This is a post-hoc adjustment to prevent overly optimistic projections for stocks showing declining momentum or deteriorating fundamentals.
Scores are generated by a multi-stage ML pipeline combining fundamental analysis, ensemble predictions, and structural risk signals. All data is for research purposes only and does not constitute financial advice. Past performance does not guarantee future results.