Prothena Corporation plc (PRTA) Research
Established in 2012 and headquartered in Dublin, Ireland, Prothena Corporation plc functions as a clinical-stage biopharmaceutical company focused on the discovery and advancement of novel therapeutic solutions for critical, life-threatening conditions, primarily within the United States. The company's pipeline features several key programs: Birtamimab, an investigational humanized antibody, is currently undergoing Phase III clinical trials for the treatment of AL amyloidosis. Prasinezumab, a humanized monoclonal antibody, is progressing through Phase IIb trials for Parkinson's disease. Prothena has also completed Phase I clinical trials for PRX004, indicated for Transthyretin amyloidosis, and is advancing PRX005 through Phase I for Alzheimer's disease. In its earlier-stage development, Prothena is exploring PRX012 for Alzheimer's disease, alongside a dual Aß-Tau vaccine designed for both the treatment and prevention of Alzheimer's disease. Prothena maintains strategic partnerships, including a comprehensive license, development, and commercialization agreement with F. Hoffmann-La Roche Ltd. and Hoffmann-La Roche Inc. for antibodies targeting alpha-synuclein. The company also collaborates with Bristol-Myers Squibb on antibody development.
Market snapshot
- Symbol
- PRTA
- Price
- $8.93
- Day change
- +5.18%
- Market cap
- $467.5M
- P/E ratio
- -3.17x
- 52-week range
- 5.64-11.8
- Sector
- Healthcare
- Industry
- Biotechnology
- Next earnings
- in 1 month
- Analyst price target
- $19.00
Peer companies
Recent insider activity
- SCULLY WILLIAM P — P-Purchase (20000 shares) on 2026-06-16
- SCULLY WILLIAM P — G-Gift (325000 shares) on 2026-06-15
- SCULLY WILLIAM P — P-Purchase (125000 shares) on 2026-06-11
- Isaacs Michael John — trade (0 shares) on 2026-06-08
- Isaacs Michael John — trade (17500 shares) on 2026-06-08
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