Want to see PRTA full AI Analyst Report?
Total Valuation
Prothena has a market cap or net worth of $454.85M. The enterprise value is $229.30.
Market Cap$454.85M
Enterprise Value$229.30
Share Statistics
Prothena has 51,336,975 shares outstanding. The number of shares has decreased by -2.65% in one year.
Shares Outstanding51,336,975
Owned by Insiders3.12%
Owned by Institutions20.37%
Financial Efficiency
Prothena’s return on equity (ROE) is -0.87 and return on invested capital (ROIC) is -63.90%.
Return on Equity (ROE)-0.87
Return on Assets (ROA)-0.75
Return on Invested Capital (ROIC)-63.90%
Return on Capital Employed (ROCE)-0.65
Revenue Per Employee144.54K
Profits Per Employee-3.64M
Employee Count67
Asset Turnover0.03
Inventory Turnover0.00
Valuation Ratios
The current PE Ratio of Prothena is ―. Prothena’s PEG ratio is -0.02.
PE Ratio―
PS Ratio53.08
PB Ratio1.83
Price to Fair Value1.83
Price to FCF-3.14
Price to Operating Cash Flow-7.69
PEG Ratio-0.02
Income Statement
In the last 12 months, Prothena had revenue of 9.68M and earned -244.09M in profits. Earnings per share was -4.53.
Revenue9.68M
Gross Profit5.98M
Operating Income-184.56M
Pretax Income-200.83M
Net Income-244.09M
EBITDA-197.13M
Earnings Per Share (EPS)-4.53
Cash Flow
In the last 12 months, operating cash flow was -60.05M and capital expenditures -662.00K, giving a free cash flow of -60.71M billion.
Operating Cash Flow-60.05M
Free Cash Flow-60.71M
Free Cash Flow per Share-1.18
Dividends & Yields
Prothena pays an annual dividend of ―, resulting in a dividend yield of ―
Dividend Per Share―
Dividend Yield―
Payout RatioN/A
Free Cash Flow Yield―
Earnings Yield―
Stock Price Statistics
Beta0.99
52-Week Price Change3.87%
50-Day Moving Average8.89
200-Day Moving Average9.57
Relative Strength Index (RSI)50.19
Average Volume (3m)732.47K
Important Dates
Prothena upcoming earnings date is Oct 29, 2026, After Close (Confirmed).
Last Earnings DateAug 6, 2026
Next Earnings DateOct 29, 2026
Ex-Dividend Date―
Financial Position
Prothena as a current ratio of 7.72, with Debt / Equity ratio of 2.44%
Current Ratio7.72
Quick Ratio7.72
Debt to Market Cap0.02
Net Debt to EBITDA1.49
Interest Coverage Ratio0.00
Taxes
In the past 12 months, Prothena has paid 43.26M in taxes.
Income Tax43.26M
Effective Tax Rate-0.22
Enterprise Valuation
Prothena EV to EBITDA ratio is -1.12, with an EV/FCF ratio of -1.35.
EV to Sales22.76
EV to EBITDA-1.12
EV to Free Cash Flow-1.35
EV to Operating Cash Flow-1.35
Balance Sheet
Prothena has $288.19M in cash and marketable securities with $6.99M in debt, giving a net cash position of $281.20M billion.
Cash & Marketable Securities$288.19M
Total Debt$6.99M
Net Cash$281.20M
Net Cash Per Share$5.48
Tangible Book Value Per Share$5.21
Margins
Gross margin is 43.52%, with operating margin of -1905.82%, and net profit margin of -2520.57%.
Gross Margin43.52%
Operating Margin-1905.82%
Pretax Margin-2073.82%
Net Profit Margin-2520.57%
EBITDA Margin-2035.59%
EBIT Margin-2073.82%
Analyst Forecast
The average price target for Prothena is $26.33, which is 11.43% higher than the current price. The consensus rating is Hold
Price Target$26.33
Price Target Upside200.95% Upside
Analyst ConsensusHold
Analyst Count4
Revenue Growth Forecast427.32%
EPS Growth Forecast85.31%