Prothena Corporation Statistics

Total Valuation

PRTA has a market cap or net worth of $524.58 million. The enterprise value is $202.77 million.

Market Cap	524.58M
Enterprise Value	202.77M

Important Dates

The next estimated earnings date is Monday, August 3, 2026, after market close.

Earnings Date	Aug 3, 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 (%)	20.38%
Owned by Institutions (%)	82.12%
Float	36.68M

Valuation Ratios

PE Ratio	n/a
Forward PE	n/a
PS Ratio	9.05
Forward PS	16.27
PB Ratio	1.70
P/TBV Ratio	1.68
P/FCF Ratio	n/a
P/OCF Ratio	n/a
PEG Ratio	n/a

Financial Ratio History

Enterprise Valuation

EV / Earnings	n/a
EV / Sales	3.50
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)	2.45%
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 +67.28% in the last 52 weeks. The beta is -0.32, so PRTA's price volatility has been lower than the market average.

Beta (5Y)	-0.32
52-Week Price Change	+67.28%
50-Day Moving Average	9.77
200-Day Moving Average	9.66
Relative Strength Index (RSI)	60.62
Average Volume (20 Days)	643,064

Short Selling Information

The latest short interest is 7.74 million, so 14.78% of the outstanding shares have been sold short.

Short Interest	7.74M
Short Previous Month	7.10M
Short % of Shares Out	14.78%
Short % of Float	21.09%
Short Ratio (days to cover)	14.27

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 Statement

Balance Sheet

The company has $329.46 million in cash and $7.65 million in debt, giving 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 Sheet

Cash 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 Statement

Margins

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	n/a
Earnings Yield	-28.82%
FCF Yield	-15.52%

Analyst Forecast

The average price target for PRTA is $21.40, which is 113.57% higher than the current price. The consensus rating is "Hold".

Price Target	$21.40
Price Target Difference	113.57%
Analyst Consensus	Hold
Analyst Count	6
Revenue Growth Forecast (3Y)	118.54%
EPS Growth Forecast (3Y)	n/a

Stock Forecasts

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