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PROTHENA CORP PUBLIC LTD CO PRTA

Healthcare · Biotechnology

$8.43last close 2026-10-12 · market cap $432.77M · delayed data

Trailing returns

1M-5.60%
3M-8.77%
6M-19.71%
1Y-16.12%
5Y-87.16%

Basis: Adjusted daily closes.

What it does

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.

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Valuation, cost of capital, SEC filings, ownership and more, with the source named on every figure.

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Where these figures come from

Delayed data. Not financial advice. Figures are read from the sources above at the dates shown; nothing here is a recommendation. Disclosures · All companies