NASDAQ · PRTA

Prothena Corporation PLC

$8.70 -$0.05 (-0.57%) 1D After hours

Key Metrics

$458.09M
Market cap
P/E · TTM
$57.94M
Revenue · TTM
−$151.18M
Net income
EPS · TTM $-2.81
Dividend yield
Free cash flow
Beta · 1Y 1.12
EBITDA · TTM −$105.88M
Gross margin

The Story So Far

LAST 6 MONTHS PRIMARY SOURCES ONLY
  • Jul 16
    Money rotated out of high-beta cohorts market-wide.

    High-beta names lagged the blue-chips by 20.3 points over ten sessions around this date. Stocks in that cohort weren't falling alone — they fell together.

    RECEIPT: ROTATION GAUGE, LIVE
  • Jun 10
    From its Apr 28 high, the share price fell 31%.

    Peak close $11.51 on Apr 28; trough close $7.91 on Jun 10. The drawdown is the fact — the chapters around it are the context.

    RECEIPT: PRICE SERIES, PEAK-TO-TROUGH -31%
  • May 11
    The stock moved -9.9% in a single session.

    Sessions this size usually pair with a chapter above or below — a filing, a headline, or the whole cohort moving together.

    RECEIPT: DAILY BAR, May 11
  • Mar 2
    The stock moved +8.4% in a single session.

    Sessions this size usually pair with a chapter above or below — a filing, a headline, or the whole cohort moving together.

    RECEIPT: DAILY BAR, Mar 2

The story updates itself as events post · The wolf reports; you decide

Snapshot

Market cap$458.09M
Enterprise value
Shares outstanding52.4M
52-wk range$6.61 – $11.80
Avg volume · 20D587.9K
Net cash
Book value / share$5.81
IndustryPharmaceutical Preparations
ExchangeNASDAQ
About Prothena Corporation PLC
IPO dateDec 18, 2012
Employees67

Prothena Corp PLC is a late-stage clinical biotechnology company that focuses on protein dysregulation and a pipeline of investigational therapeutics with the potential to change the course of devastating neurodegenerative and rare and peripheral amyloid diseases.

Wolf Grade COMING SOON

The wolf is in training. Composite grades vs sector — profitability, health, value, momentum — arrive with the percentile engine. Methodology will be public.

Valuation

P/E
P/S7.91
P/FCF
EV/EBITDA
EV/Sales
Graham №

Profitability

Gross
Operating -184.2%
Net -260.9%
FCF
ROE / ROIC -37.8% · 897.4%

Financial Health

Current ratio10.43
Quick ratio
Debt / equity
Debt / EBITDA
Net cash
Working capital$306.68M

Cash Flow · TTM

Operating CF −$81.34M
Capex
Free cash flow
Buybacks
Dividends paid
Shareholder yield

Piotroski F-Score

1 / 9
Weak fundamentals · 1 of 9 signals passing

Altman Z-Score

2.3
Grey zone (1.81–2.99) · monitor

Graham Number vs Price

Requires positive earnings and book value
Fundamentals through 2026-03-31 · computed by TickerWolf from SEC filings