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Prothena Corporation plc (PRTA)

NasdaqGS - NasdaqGS Real-time price. Currency in USD
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21.16+0.59 (+2.87%)
At close: 04:00PM EDT
21.16 0.00 (0.00%)
After hours: 04:04PM EDT
Currency in USD

Valuation measures4

Market cap (intra-day) 1.14B
Enterprise value 530.27M
Trailing P/E N/A
Forward P/E N/A
PEG ratio (5-yr expected) N/A
Price/sales (ttm)12.33
Price/book (mrq)2.03
Enterprise value/revenue 5.80
Enterprise value/EBITDA -2.79

Trading information

Stock price history

Beta (5Y monthly) 0.24
52-week change 3-61.37%
S&P500 52-week change 320.07%
52-week high 379.65
52-week low 320.42
50-day moving average 326.00
200-day moving average 340.94

Share statistics

Avg vol (3-month) 3668.92k
Avg vol (10-day) 3497.12k
Shares outstanding 553.72M
Implied shares outstanding 654.51M
Float 838.28M
% held by insiders 112.44%
% held by institutions 1100.77%
Shares short (28 Mar 2024) 46.47M
Short ratio (28 Mar 2024) 410.93
Short % of float (28 Mar 2024) 418.98%
Short % of shares outstanding (28 Mar 2024) 412.04%
Shares short (prior month 29 Feb 2024) 46.07M

Dividends & splits

Forward annual dividend rate 4N/A
Forward annual dividend yield 4N/A
Trailing annual dividend rate 30.00
Trailing annual dividend yield 30.00%
5-year average dividend yield 4N/A
Payout ratio 40.00%
Dividend date 3N/A
Ex-dividend date 4N/A
Last split factor 2N/A
Last split date 3N/A

Financial highlights

Fiscal year

Fiscal year ends 31 Dec 2023
Most-recent quarter (mrq)31 Dec 2023


Profit margin -160.91%
Operating margin (ttm)-24,846.52%

Management effectiveness

Return on assets (ttm)-16.42%
Return on equity (ttm)-24.85%

Income statement

Revenue (ttm)91.37M
Revenue per share (ttm)1.72
Quarterly revenue growth (yoy)-99.40%
Gross profit (ttm)N/A
EBITDA -190.11M
Net income avi to common (ttm)-147.03M
Diluted EPS (ttm)-2.76
Quarterly earnings growth (yoy)N/A

Balance sheet

Total cash (mrq)618.83M
Total cash per share (mrq)11.52
Total debt (mrq)11.84M
Total debt/equity (mrq)2.11%
Current ratio (mrq)11.24
Book value per share (mrq)10.46

Cash flow statement

Operating cash flow (ttm)-133.91M
Levered free cash flow (ttm)-80.02M