PRTA · Prothena Corp Public Ltd Co · Metrics
$8.36
-0.18 (-2.11%)
At close · Oct 2
Return incl. dividend (before tax)
Market Cap
$425.58M
Shares
51.34M
Volume · Oct 2
675.84K
Avg daily vol (3M)
473.57K
PRTA metrics
61 of 115 screener metrics currently available.
Market overview
2 metricsShare price
$8.36
Market cap
$425.58M
Price action
20 metricsPrice change (1W)
+2.6%
Price change (30D)
-11.8%
Price change (3M)
-11.9%
Price change (6M)
-13.4%
Price change (YTD)
-10.6%
Price change (1Y)
-13.9%
Trailing year
Price change (5Y)
-87.9%
52-week high
$11.51
52-week low
$7.91
Change from 52-week high
-25.8%
Change from 52-week low
+8.0%
Annualized volatility
47.5%
Annualized volatility (3M)
42.0%
Beta
1.1
RSI (14D)
45.7
Price vs SMA 50
-3.9%
Price vs SMA 200
-8.5%
Avg volume (3M)
470,239
Relative volume
1.0
Average dollar volume
$4.16M
Company
3 metricsSector
Healthcare
Industry
Biotechnology
Shares outstanding
51.34M
Valuation
12 metricsP / E (TTM)
—
Trailing earnings
PEG ratio
—
EV / revenue
—
EV / EBITDA
—
EV / EBIT
—
P / sales
7.8×
reciprocal yield 12.8%
P / book
1.5
reciprocal yield 67.4%
FCF yield
—
TTM · current market cap
Buyback yield
—
P / FCF
—
P / operating cash flow
—
Earnings yield
-10.3%
Historical valuation
8 metricsP / E historical average (3Y)
—
P / E historical average (5Y)
—
EV / revenue historical average (3Y)
—
EV / revenue historical average (5Y)
—
EV / EBIT historical average (3Y)
—
EV / EBIT historical average (5Y)
—
EV / EBITDA historical average (3Y)
—
EV / EBITDA historical average (5Y)
—
Dividends & buybacks
7 metricsDividend yield
—
Trailing 12 months
Payout ratio
—
Shareholder yield
—
Dividend / share (TTM)
—
Dividend growth YoY
—
Dividend growth streak
—
Last ex-dividend
—
Earnings calendar
2 metricsNext earnings
—
Last earnings
2026-02-19
Profitability
9 metricsGross margin
—
Operating margin
-101.8%
Trailing 12 months
Net margin
-80.7%
Gross profit (TTM)
—
Operating profit (TTM)
−$55.51M
Net income (TTM)
−$43.99M
Trailing 12 months
Diluted EPS (TTM)
$-0.83
FCF margin
—
Effective tax rate
—
Growth
11 metricsRevenue growth YoY
-77.1%
Year over year
Net income growth YoY
—
Revenue (TTM)
$54.53M
Trailing 12 months
EPS growth YoY
—
Shares change YoY
-3.1%
Year over year · fewer shares
Revenue CAGR (3Y)
-43.6%
Revenue CAGR (5Y)
+62.6%
EPS CAGR (3Y)
—
EPS CAGR (5Y)
—
FCF CAGR (3Y)
—
FCF CAGR (5Y)
—
Quality
14 metricsReturn on equity
-15.3%
Return on assets
-14.5%
Debt / equity
—
Current ratio
25.0
EBITDA (TTM)
−$54.68M
Free cash flow (TTM)
—
Quick ratio
25.0
Interest coverage
—
Net debt / EBITDA
—
Return on invested capital
—
Trailing 12 months
Net cash
$288.19M
Latest balance sheet
Cash & equivalents
$288.19M
Total assets
$302.58M
Total debt
—
Cash flow & spend
7 metricsOperating cash flow (TTM)
−$60.05M
Capital expenditures (TTM)
—
R&D (TTM)
$64.95M
SG&A (TTM)
—
Stock compensation (TTM)
$29.07M
R&D / revenue
119.1%
Stock compensation / revenue
53.3%
Ownership (13F)
3 metrics13F filers
190
13F filer change QoQ
+3
Institutional ownership
94.1%
Short interest
3 metricsShort interest
16.6%
Latest settlement · 26.5 days to cover
Days to cover
26.5d
Short-squeeze score
78 / 100
Insider activity
2 metricsNet insider buying (90D)
$4.02M
Insider-sentiment score
89 / 100
Risk flags
1 metricsGoing concern
—