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    Prothena Corporation plc (PRTA)

    -NasdaqGS
    35.48 Down 5.07(12.50%) Jun 24, 4:00PM EDT
    |After Hours : 35.48 0.00 (0.00%) Jun 24, 5:23PM EDT
    Key StatisticsGet Key Statistics for:
    Data provided by Capital IQ, except where noted.
    Valuation Measures 
    Market Cap (intraday)5:1.22B
    Enterprise Value (Jun 26, 2016)3:744.46M
    Trailing P/E (ttm, intraday):N/A
    Forward P/E (fye Dec 31, 2017)1:N/A
    PEG Ratio (5 yr expected)1:0.07
    Price/Sales (ttm):1,089.02
    Price/Book (mrq):2.99
    Enterprise Value/Revenue (ttm)3:582.06
    Enterprise Value/EBITDA (ttm)6:-8.14
    Financial Highlights 
    Fiscal Year
    Fiscal Year Ends:Dec 31
    Most Recent Quarter (mrq):Mar 31, 2016
    Profitability
    Profit Margin (ttm):N/A
    Operating Margin (ttm):-7,217.98%
    Management Effectiveness
    Return on Assets (ttm):-14.78%
    Return on Equity (ttm):-25.01%
    Income Statement
    Revenue (ttm):1.28M
    Revenue Per Share (ttm):0.04
    Qtrly Revenue Growth (yoy):-55.30%
    Gross Profit (ttm):1.61M
    EBITDA (ttm)6:-91.45M
    Net Income Avl to Common (ttm):-92.93M
    Diluted EPS (ttm):-2.91
    Qtrly Earnings Growth (yoy):N/A
    Balance Sheet
    Total Cash (mrq):474.25M
    Total Cash Per Share (mrq):13.81
    Total Debt (mrq):0.00
    Total Debt/Equity (mrq):N/A
    Current Ratio (mrq):20.75
    Book Value Per Share (mrq):13.56
    Cash Flow Statement
    Operating Cash Flow (ttm):-72.89M
    Levered Free Cash Flow (ttm):-35.58M
    View Financials
    Income Statement - Balance Sheet - Cash Flow

    Trading Information 
    Stock Price History
    Beta:2.35
    52-Week Change3:-28.47%
    S&P500 52-Week Change3:-0.99%
    52-Week High (Nov 30, 2015)3:76.42
    52-Week Low (Feb 9, 2016)3:28.20
    50-Day Moving Average3:43.64
    200-Day Moving Average3:44.98
    Share Statistics
    Avg Vol (3 month)3:449,769
    Avg Vol (10 day)3:749,500
    Shares Outstanding5:34.35M
    Float:34.32M
    % Held by Insiders1:20.17%
    % Held by Institutions1:81.50%
    Shares Short (as of May 31, 2016)3:4.88M
    Short Ratio (as of May 31, 2016)3:11.22
    Short % of Float (as of May 31, 2016)3:21.03%
    Shares Short (prior month)3:4.68M
    Dividends & Splits
    Forward Annual Dividend Rate4:N/A
    Forward Annual Dividend Yield4:N/A
    Trailing Annual Dividend Yield3:N/A
    Trailing Annual Dividend Yield3:N/A
    5 Year Average Dividend Yield4:N/A
    Payout Ratio4:N/A
    Dividend Date3:N/A
    Ex-Dividend Date4:N/A
    Last Split Factor (new per old)2:N/A
    Last Split Date3:N/A

    See Key Statistics Help for definitions of terms used.
    Abbreviation Guide: K = Thousands; M = Millions; B = Billions
    mrq = Most Recent Quarter (as of Mar 31, 2016)
    ttm = Trailing Twelve Months (as of Mar 31, 2016)
    yoy = Year Over Year (as of Mar 31, 2016)
    lfy = Last Fiscal Year (as of Dec 31, 2015)
    fye = Fiscal Year Ending
    1 Data provided by Thomson Reuters
    2 Data provided by EDGAR Online
    3 Data derived from multiple sources or calculated by Yahoo! Finance
    4 Data provided by Morningstar, Inc.
    5 Shares outstanding is taken from the most recently filed quarterly or annual report and Market Cap is calculated using shares outstanding.
    6 EBITDA is calculated by Capital IQ using methodology that may differ from that used by a company in its reporting

    Currency in USD.