PRTA is Prothena Corporation plc (Healthcare) — a non-dividend-paying stock. Trading at $9.82. Market cap: $504M. Capital Quality Rank: 32/100 — Stagnant mediocrity.
Stock snapshot
| Price | $9.82 |
| Market cap | $504M |
| Sector | Healthcare |
| Exchange | NMS |
| Pays dividend | No |
Capital Quality & fundamentals
DiviDrip's Capital Analytics engine ranks every non-dividend stock 1-100 on a 4-factor composite (Shareholder Yield 30%, Cash-Flow ROI 25%, Operating Momentum 25%, Tail-Risk 20%) — sector-neutralized so a biotech isn't penalized for negative earnings the way a utility would be.
| Capital Quality Rank (1-100) | 32 / 100 · Stagnant mediocrity |
| Revenue CAGR (3y) | -43.6% |
| Shareholder buyback yield | -0.11% |
| Altman Z-score zone | Distress |
About PRTA
Prothena Corp PLC is a late-stage clinical biotechnology company that focuses on protein dysregulation and a pipeline of investigational therapeutics with the potential to change the course of devastating neurodegenerative and rare and peripheral amyloid diseases. Prothena is developing and applying its proprietary CYTOPE technology to target a broad spectrum of intracellular disease pathways in the brain and periphery. The company's pipeline includes both wholly-owned and partnered programs like Prasinezumab, Coramitug (PRX004), BMS-986446 (PRX005), PRX019, TDP-43 CYTOPE, and PRX012-TfR, being developed for the potential treatment of Parkinson's disease, ATTR amyloidosis with cardiomyopathy, Alzheimer's disease, Amyotrophic lateral sclerosis (ALS), and other neurodegenerative diseases.
Related non-dividend companies
Other non-dividend stocks investors research alongside PRTA. Peer set from Massive news + returns similarity, filtered to names we currently track.
Frequently asked
What is PRTA's current stock price?
PRTA (Prothena Corporation plc) is currently trading at $9.82.
Does PRTA pay a dividend?
PRTA (Prothena Corporation plc) does not currently pay a regular dividend.
What is PRTA's Capital Quality Rank?
PRTA has a Capital Quality Rank of 32/100 — Stagnant mediocrity. This score blends ROIC, revenue growth, buybacks, and balance-sheet health.
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Data refreshed 2026-09-07. Not investment advice. Prices change continuously; always verify the latest numbers in the live app before buying.