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Stock comparison · Signal date 2026-11-03

ASMB vs PRTA: stock comparison and AI forecast

Assembly Biosciences, Inc. (ASMB) and Prothena Corp Public Ltd Co (PRTA) compared on price performance, valuation, profitability and the daily AI forecast. · Alpha · vs market

Share
Nasdaq · Pharmaceutical Preparations

ASMB Assembly Biosciences, Inc.

Price
$20.86 -22.6% · 6M
Market Cap
$425M
P/E Ratio
11.9x
Size
small-cap
AI Forecast
Full analysis →
Nasdaq · Pharmaceutical Preparations

PRTA Prothena Corp Public Ltd Co

Market Cap
$426M
P/E Ratio
–
Size
small-cap
AI Forecast
Full analysis →
Model output

Which one does the AI model favor?

Intratio's model scores both stocks every trading day. Sign in to see their current direction; the exact ratings and forecasts come with a plan or a free follow slot.

ASMB · PRTA

Key facts

  • ASMB and PRTA have similar market capitalizations ($425M and $426M).
  • ASMB turns -0.1% of its revenue into net income, against -76.7% for PRTA.
  • ASMB carries 0.08 times debt per unit of equity, against 0.05 times for PRTA.
  • Both companies share the SEC industry classification Pharmaceutical Preparations.
Fundamentals

Fundamentals side by side

Trailing twelve months.

Valuation & Market

MetricASMBPRTA
Market Cap$425M$426M
P/E Ratio11.92x–
P/B Ratio1.39x1.48x
EPS$1.75$-1.43
Book Value/Share$15.01$5.59
Revenue/Share$3.27$1.12
FCF/Share$-1.89–

Profitability & Margins

MetricASMBPRTA
ROE-0.0%-15.3%
ROA-0.0%-14.5%
ROIC-2.9%-19.1%
Operating Margin-13.2%-96.8%
Net Margin-0.1%-76.7%
EBT Margin-5.5%-77.3%
Tax Rate2.1%0.8%

Financial Health

MetricASMBPRTA
Current Ratio13.99x25.05x
D/E Ratio0.08x0.05x
Financial Leverage1.08x1.05x
Interest Coverage-0.8x-8.3x
Working Capital$305M$280M

Cash Flow

MetricASMBPRTA
Operating Cash Flow-$38M-$60M
Free Cash Flow-$39M–
Capital Spending-$90K–
FCF/Sales-57.9%–
CapEx/Sales0.1%–

Operational Efficiency

MetricASMBPRTA
Asset Turnover0.20x0.19x
Receivables Turnover81.1x–
Fixed Assets Turnover211.5x23.1x
Days Sales Outstanding4 days–

Income Statement

MetricASMBPRTA
Total Revenue$67M$57M
Operating Income-$9M-$56M
Net Income-$40K-$44M
R&D Expense$64M$65M

Dividend & Shareholder Information

MetricASMBPRTA
Shares Outstanding20M51M
FAQ

ASMB vs PRTA: stock comparison and AI forecast

Which is bigger, ASMB or PRTA?

ASMB and PRTA have similar market capitalizations ($425M and $426M).

Which one does Intratio's AI model rank higher, ASMB or PRTA?

Intratio's model scores both stocks every trading day. Sign in to see their current direction; the exact ratings and forecasts come with a plan or a free follow slot.

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This analysis is generated automatically using our proprietary AI systems and should not be considered personalized investment advice. Past performance does not guarantee future results. Always conduct your own research and consider consulting a financial advisor before making investment decisions.