Prothena Corp Public Ltd Co (NASDAQ:PRTA)
| Market Cap | 459.66M-10.0% |
| Revenue (ttm) | 54.53M+427.3% |
| Net Income | -43.99M+85.5% |
| EPS | -0.84+85.1% |
| Shares Out | 52.35M |
| PE Ratio | n/a |
| Forward PE | n/a |
| Dividend | n/a |
| Ex-Dividend Date | n/a |
| Volume | 543,121 |
| Open | 8.66 |
| Previous Close | 8.72 |
| Day's Range | 8.59 - 8.80 |
| 52-Week Range | 7.73 - 11.80 |
| Beta | n/a |
| Analysts | Buy |
| Price Target | 30.00(+241.69%) |
| Earnings Date | Nov 5, 2026 |
PROTHENA CORP PUBLIC LTD CO has a live Insider Score.
Scored on 0 qualifying trades from 0 insiders in the last 90 days.
About PRTA
Prothena Corporation plc, a late-stage clinical biotechnology company, focuses on discovery and development of novel therapies to treat diseases caused by protein dysregulation. Its product pipeline includes Prasinezumab, an investigational humanized monoclonal antibody which is in Phase 3 clinical trial for the treatment of parkinson's disease and other synucleinopathies. The company also develops Coramitug, an investigational antibody, which is in Phase 3 clinical trial for the treatment of transthyretin amyloidosis; BMS-986446, an anti-tau antibody which is in Phase 2 clinical trial to treat Alzheimer's disease; PRX019, an investigational antibody which is in Phase 1 clinical trial for the treatment of neurodegenerative diseases; and PRX123, a Dual Aß-Tau Vaccine, which is in preclinical trial for treating Alzheimer's disease. In addition, it develops discovery- and late-preclinical-stage programs include TDP-43 CYTOPE for the treatment of amyotrophic lateral sclerosis; PRX012, a next-generation anti-Aß antibody which is in phase 1 clinical trial to treat Alzheimer's disease; and PRX012-TfR, a preclinical program for the treatment of Alzheimer's disease. It 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 master collaboration agreement with Bristol Myers Squibb to develop and commercialize antibodies targeting tau, TDP-43. Prothena Corporation plc was incorporated in 2012 and is based in Dublin, Ireland.
What Are Insiders Doing?
View the trades behind this meter — each links to its SEC Form 4 →
Open-market Form 4 purchases (code P) vs sales (code S) on file for this company. Grants, option exercises and tax withholdings are excluded. Informational only.
$PRTA stock is featured in our Insider Score Rankings, and Insider Trades datasets.
→ All Stock ListsRecently reported changes in PRTA holdings by institutional investors
Latest 0 13F filings · Source: SEC EDGAR
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Quarterly net insider trading by PRTA's directors and management
Source: SEC EDGAR (Form 4)
Corporate Lobbying
PRTA Estimated quarterly lobbying spending
Source: U.S. Senate LDA
U.S. Patents
New PRTA patent grants
Source: USPTO Open Data Portal
Government Contracts
Estimated quarterly amount awarded to PRTA from public contracts
Source: USAspending.gov
Top ETF Holders
ETFs with the largest estimated holdings in PRTA
| ETF | Est. Holding Size |
|---|---|
| IWMiShares Russell 2000 ETF | $9.80M |
| XBIState Street SPDR S&P Biotech ETF | $7.87M |
| VXFVanguard Extended Market ETF | $4.58M |
| IBBiShares Biotechnology ETF | $2.93M |
| VTWOVanguard Russell 2000 ETF | $2.39M |
| IWOiShares Russell 2000 Growth ETF | $2.08M |
Estimated from each fund’s disclosed top holdings × AUM
PRTA Insider Score
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