Prothena Corporation Statistics
Total Valuation
PRTA has a market cap or net worth of $524.84 million. The enterprise value is $163.19 million.
Important Dates
The next estimated earnings date is Tuesday, November 11, 2025, after market close.
| Earnings Date | Nov 11, 2025 |
| Ex-Dividend Date | n/a |
Share Statistics
PRTA has 53.83 million shares outstanding. The number of shares has increased by 0.25% in one year.
| Current Share Class | 53.83M |
| Shares Outstanding | 53.83M |
| Shares Change (YoY) | +0.25% |
| Shares Change (QoQ) | n/a |
| Owned by Insiders (%) | 19.25% |
| Owned by Institutions (%) | 71.83% |
| Float | 40.09M |
Valuation Ratios
| PE Ratio | n/a |
| Forward PE | n/a |
| PS Ratio | 50.74 |
| Forward PS | 13.06 |
| PB Ratio | 1.62 |
| P/TBV Ratio | 1.62 |
| P/FCF Ratio | n/a |
| P/OCF Ratio | n/a |
| PEG Ratio | n/a |
Financial Ratio HistoryEnterprise Valuation
| EV / Earnings | n/a |
| EV / Sales | 15.78 |
| EV / EBITDA | n/a |
| EV / EBIT | n/a |
| EV / FCF | n/a |
Financial Position
The company has a current ratio of 5.68, with a Debt / Equity ratio of 0.03.
| Current Ratio | 5.68 |
| Quick Ratio | 5.48 |
| Debt / Equity | 0.03 |
| Debt / EBITDA | n/a |
| Debt / FCF | n/a |
| Interest Coverage | n/a |
Financial Efficiency
Return on equity (ROE) is -66.85% and return on invested capital (ROIC) is -33.53%.
| Return on Equity (ROE) | -66.85% |
| Return on Assets (ROA) | -29.79% |
| Return on Invested Capital (ROIC) | -33.53% |
| Return on Capital Employed (ROCE) | -75.17% |
| Revenue Per Employee | $63,442 |
| Profits Per Employee | -$1.86M |
| Employee Count | 163 |
| Asset Turnover | 0.02 |
| Inventory Turnover | n/a |
Taxes
In the past 12 months, PRTA has paid $41.24 million in taxes.
| Income Tax | 41.24M |
| Effective Tax Rate | n/a |
Stock Price Statistics
The stock price has decreased by -41.09% in the last 52 weeks. The beta is -0.12, so PRTA's price volatility has been lower than the market average.
| Beta (5Y) | -0.12 |
| 52-Week Price Change | -41.09% |
| 50-Day Moving Average | 9.06 |
| 200-Day Moving Average | 9.68 |
| Relative Strength Index (RSI) | 51.31 |
| Average Volume (20 Days) | 686,385 |
Short Selling Information
The latest short interest is 3.85 million, so 7.14% of the outstanding shares have been sold short.
| Short Interest | 3.85M |
| Short Previous Month | 3.76M |
| Short % of Shares Out | 7.14% |
| Short % of Float | 9.59% |
| Short Ratio (days to cover) | 4.79 |
Income Statement
In the last 12 months, PRTA had revenue of $10.34 million and -$302.92 million in losses. Loss per share was -$5.63.
| Revenue | 10.34M |
| Gross Profit | -181.88M |
| Operating Income | -249.00M |
| Pretax Income | -261.68M |
| Net Income | -302.92M |
| EBITDA | -248.10M |
| EBIT | -249.00M |
| Loss Per Share | -$5.63 |
Full Income StatementBalance Sheet
The company has $371.44 million in cash and $9.78 million in debt, giving a net cash position of $361.65 million or $6.72 per share.
| Cash & Cash Equivalents | 371.44M |
| Total Debt | 9.78M |
| Net Cash | 361.65M |
| Net Cash Per Share | $6.72 |
| Equity (Book Value) | 324.33M |
| Book Value Per Share | 6.03 |
| Working Capital | 317.67M |
Full Balance SheetCash Flow
In the last 12 months, operating cash flow was -$192.66 million and capital expenditures -$180,000, giving a free cash flow of -$192.84 million.
| Operating Cash Flow | -192.66M |
| Capital Expenditures | -180,000 |
| Free Cash Flow | -192.84M |
| FCF Per Share | -$3.58 |
Full Cash Flow StatementMargins
| Gross Margin | n/a |
| Operating Margin | -2,407.87% |
| Pretax Margin | -2,530.46% |
| Profit Margin | n/a |
| EBITDA Margin | n/a |
| EBIT Margin | n/a |
| FCF Margin | n/a |
Dividends & Yields
PRTA does not appear to pay any dividends at this time.
| Dividend Per Share | n/a |
| Dividend Yield | n/a |
| Dividend Growth (YoY) | n/a |
| Years of Dividend Growth | n/a |
| Payout Ratio | n/a |
| Buyback Yield | -0.25% |
| Shareholder Yield | -0.25% |
| Earnings Yield | -57.72% |
| FCF Yield | -36.74% |
Dividend DetailsAnalyst Forecast
The average price target for PRTA is $13.14, which is 34.77% higher than the current price. The consensus rating is "Buy".
| Price Target | $13.14 |
| Price Target Difference | 34.77% |
| Analyst Consensus | Buy |
| Analyst Count | 9 |
| Revenue Growth Forecast (5Y) | -0.53% |
| EPS Growth Forecast (5Y) | -12.82% |
Stock ForecastsFair Value
There are several formulas that can be used to estimate the intrinsic value of a stock.
| Lynch Fair Value | n/a |
| Lynch Upside | n/a |
| Graham Number | n/a |
| Graham Upside | n/a |
Stock Splits
This stock does not have any record of stock splits.
| Last Split Date | n/a |
| Split Type | n/a |
| Split Ratio | n/a |
Scores
PRTA has an Altman Z-Score of 0.79 and a Piotroski F-Score of 1. A Z-score under 3 suggests an increased risk of bankruptcy.
| Altman Z-Score | 0.79 |
| Piotroski F-Score | 1 |
