Prothena Corporation plc (PRTA) Stock Forecast & Analysis

Real-time stock price, financial statements, consensus target price, insider trading, and technical analysis for Prothena Corporation plc (PRTA:NASDAQ), powered by AI.

Current Price
$8.29
P/E Ratio
-1.8
Market Cap
446M
Sector
Healthcare
What is the Prothena Corporation plc stock price forecast?

Prothena Corporation plc is currently trading at $8.29. View real-time AI analysis on Alpha Lenz.

What is Prothena Corporation plc insider trading activity?

View the latest insider trading data for Prothena Corporation plc on Alpha Lenz.

What is Prothena Corporation plc's P/E ratio?

Prothena Corporation plc's P/E ratio is -1.8.

Prothena Corporation plc

NASDAQ · PRTA
$8.29+0.14(+1.72%)Pre-marketNASDAQ regular session 09:30–16:00 ET
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Alpha Chat Insight

Prothena Corporation plc trades at a P/E of -1.8 (undervalued) with modest ROE of -63.6%.

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Company Overview

Prothena Corporation plc is a biotechnology company primarily focused on the discovery and development of novel therapies for neurodegenerative diseases. Its research is dedicated to advancing treatments for conditions such as Alzheimer's disease and Parkinson's disease, addressing significant unmet medical needs within these sectors. Prothena's approach combines scientific innovation with a deep understanding of protein misfolding, aiming to create groundbreaking therapeutic solutions that target pathogenic proteins. This positions the company as a key player in the field of neuroscience therapy development. Through its robust pipeline and strategic collaborations with biopharmaceutical companies, Prothena contributes to critical advancements in areas that impact public health worldwide. Its role in the market is significant as it operates at the intersection of scientific research and clinical application, striving to improve patient outcomes by delivering novel biologics. Prothena’s efforts in pioneering treatments help shape the landscape of medical biotechnology by focusing on therapies that could potentially alter the course of these debilitating diseases.

CEODr. Gene G. Kinney Ph.D.
SectorHealthcare
IndustryBiotechnology
Employees163

Company Statistics

FY 2025

Profile

$446.24MMarket Cap
$9.68MRevenue
0.00Shares Out
163Employees

Margins

N/AGross
-1582.58%EBITDA
-1905.82%Operating
-2073.82%Pre-Tax
-2520.57%Net

Valuation

-1.83P/E
1.59P/B
46.08EV/Sales
-0.96EV/EBITDA
-2.73P/FCF

Growth (CAGR)

-43.57%Rev 3Yr
62.56%Rev 5Yr
N/AOp Inc 3Yr
N/AOp Inc 5Yr
N/ANet Inc 3Yr
N/ANet Inc 5Yr

Returns

-55.86%ROA
-63.62%ROE
-42.24%ROIC

Financial Health

$307.53MCash & Cash Equivalents
$-261.20MNet Debt
16.52%Debt/Equity
N/AInterest Cov

Frequently Asked Questions

Prothena Corporation plc (ticker: PRTA) is a company listed on NASDAQ in the Healthcare sector (Biotechnology). It has approximately 163 employees. Market cap is $446M.

The current price is $8.29 with a P/E ratio of -1.83x and P/B of 1.59x.

ROE is -63.62% and operating margin is -1905.82%. Annual revenue is $10M.

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Prothena Corporation plc (PRTA) Stock Forecast 2026 $8.29 — Price, Financials & Analyst Targets | Alpha Lenz