Prothena Corporation Statistics
Total Valuation
PRTA has a market cap or net worth of $510.44 million. The enterprise value is $211.15 million.
Important Dates
The last earnings date was Thursday, May 7, 2026, after market close.
| Earnings Date | May 7, 2026 |
| Ex-Dividend Date | n/a |
Share Statistics
PRTA has 52.35 million shares outstanding. The number of shares has decreased by -0.00% in one year.
| Current Share Class | 52.35M |
| Shares Outstanding | 52.35M |
| Shares Change (YoY) | -0.00% |
| Shares Change (QoQ) | +0.52% |
| Owned by Insiders (%) | 20.25% |
| Owned by Institutions (%) | 82.03% |
| Float | 36.75M |
Valuation Ratios
| PE Ratio | n/a |
| Forward PE | n/a |
| PS Ratio | 9.20 |
| Forward PS | n/a |
| PB Ratio | 1.73 |
| P/TBV Ratio | 1.70 |
| P/FCF Ratio | n/a |
| P/OCF Ratio | n/a |
| PEG Ratio | n/a |
Financial Ratio HistoryEnterprise Valuation
| EV / Earnings | n/a |
| EV / Sales | 3.64 |
| EV / EBITDA | n/a |
| EV / EBIT | n/a |
| EV / FCF | n/a |
Financial Position
The company has a current ratio of 10.43, with a Debt / Equity ratio of 0.02.
| Current Ratio | 10.43 |
| Quick Ratio | 10.13 |
| Debt / Equity | 0.02 |
| Debt / EBITDA | n/a |
| Debt / FCF | n/a |
| Interest Coverage | n/a |
Financial Efficiency
Return on equity (ROE) is -40.30% and return on invested capital (ROIC) is -4,795.64%.
| Return on Equity (ROE) | -40.30% |
| Return on Assets (ROA) | -13.78% |
| Return on Invested Capital (ROIC) | -4,795.64% |
| Return on Capital Employed (ROCE) | -29.36% |
| Weighted Average Cost of Capital (WACC) | 2.96% |
| Revenue Per Employee | $864,776 |
| Profits Per Employee | -$2.26M |
| Employee Count | 67 |
| Asset Turnover | 0.14 |
| Inventory Turnover | n/a |
Taxes
In the past 12 months, PRTA has paid $44.44 million in taxes.
| Income Tax | 44.44M |
| Effective Tax Rate | n/a |
Stock Price Statistics
The stock price has increased by +121.30% in the last 52 weeks. The beta is -0.23, so PRTA's price volatility has been lower than the market average.
| Beta (5Y) | -0.23 |
| 52-Week Price Change | +121.30% |
| 50-Day Moving Average | 10.12 |
| 200-Day Moving Average | 9.62 |
| Relative Strength Index (RSI) | 52.15 |
| Average Volume (20 Days) | 561,169 |
Short Selling Information
The latest short interest is 7.10 million, so 13.56% of the outstanding shares have been sold short.
| Short Interest | 7.10M |
| Short Previous Month | 6.87M |
| Short % of Shares Out | 13.56% |
| Short % of Float | 19.31% |
| Short Ratio (days to cover) | 15.99 |
Income Statement
In the last 12 months, PRTA had revenue of $57.94 million and -$151.18 million in losses. Loss per share was -$2.81.
| Revenue | 57.94M |
| Gross Profit | -38.73M |
| Operating Income | -93.19M |
| Pretax Income | -106.73M |
| Net Income | -151.18M |
| EBITDA | -92.33M |
| EBIT | -93.19M |
| Loss Per Share | -$2.81 |
Full Income StatementBalance Sheet
The company has $329.46 million in cash and $7.65 million in debt, with a net cash position of $321.81 million or $6.15 per share.
| Cash & Cash Equivalents | 329.46M |
| Total Debt | 7.65M |
| Net Cash | 321.81M |
| Net Cash Per Share | $6.15 |
| Equity (Book Value) | 312.62M |
| Book Value Per Share | 5.89 |
| Working Capital | 306.68M |
Full Balance SheetCash Flow
In the last 12 months, operating cash flow was -$81.34 million and capital expenditures -$96,000, giving a free cash flow of -$81.44 million.
| Operating Cash Flow | -81.34M |
| Capital Expenditures | -96,000 |
| Depreciation & Amortization | 856,000 |
| Net Borrowing | n/a |
| Free Cash Flow | -81.44M |
| FCF Per Share | -$1.56 |
Full Cash Flow StatementMargins
Gross margin is -66.84%, with operating and profit margins of -160.84% and -260.92%.
| Gross Margin | -66.84% |
| Operating Margin | -160.84% |
| Pretax Margin | -184.21% |
| Profit Margin | -260.92% |
| EBITDA Margin | -159.36% |
| EBIT Margin | -160.84% |
| 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 | 0.00% |
| Shareholder Yield | 0.00% |
| Earnings Yield | -28.37% |
| FCF Yield | -15.28% |
Analyst Forecast
The average price target for PRTA is $21.40, which is 119.49% higher than the current price. The consensus rating is "Hold".
| Price Target | $21.40 |
| Price Target Difference | 119.49% |
| Analyst Consensus | Hold |
| Analyst Count | 6 |
| Revenue Growth Forecast (3Y) | n/a |
| EPS Growth Forecast (3Y) | n/a |
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 2.56 and a Piotroski F-Score of 2. A Z-score under 3 suggests an increased risk of bankruptcy.
| Altman Z-Score | 2.56 |
| Piotroski F-Score | 2 |
