Intratio
Loading...
Skip to main content
Stock comparison · Signal date 2026-11-06

BIIB vs NBIX: stock comparison and AI forecast

Biogen Inc. (BIIB) and Neurocrine Biosciences Inc (NBIX) compared on price performance, valuation, profitability and the daily AI forecast. · Alpha · vs market

Share
Nasdaq · Biological Products, (No Diagnostic Substances)

BIIB Biogen Inc.

Price
$248.35 +29.8% · 6M
Market Cap
$36.71B
P/E Ratio
107.1x
Size
large-cap
AI Forecast
Full analysis →
Nasdaq · Biological Products, (No Diagnostic Substances)

NBIX Neurocrine Biosciences Inc

Price
$164.63 +10.1% · 6M
Market Cap
$16.73B
P/E Ratio
24.1x
Size
large-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.

6M · 2026-05-07 → 2026-11-06

Six-month price performance

Closing prices rebased to 100 at the start of the window.

90100110120130
BIIB +29.8% NBIX +10.1%
BIIB · NBIX

Key facts

  • BIIB is 2.2 times larger than NBIX by market capitalization ($36.71B against $16.73B).
  • NBIX trades at 24.1 times trailing earnings, BIIB at 107.0 times.
  • Over the last six months BIIB returned +29.8% and NBIX +10.1%.
  • NBIX turns 19.0% of its revenue into net income, against 3.4% for BIIB.
  • BIIB carries 0.69 times debt per unit of equity, against 0.45 times for NBIX.
  • Both companies share the SEC industry classification Biological Products, (No Diagnostic Substances).
Fundamentals

Fundamentals side by side

Trailing twelve months.

Valuation & Market

MetricBIIBNBIX
Market Cap$36.71B$16.73B
P/E Ratio107.05x24.10x
P/B Ratio1.94x4.31x
EPS$2.32$6.83
Book Value/Share$128.01$38.16
Revenue/Share$69.66$36.42
FCF/Share$14.01$10.23

Profitability & Margins

MetricBIIBNBIX
ROE1.8%18.1%
ROA1.1%12.5%
ROIC–19.1%
Gross Margin74.0%98.2%
Operating Margin–24.0%
Net Margin3.4%19.0%
EBT Margin4.3%25.2%
Tax Rate21.9%24.6%

Financial Health

MetricBIIBNBIX
Current Ratio1.95x2.04x
Quick Ratio1.37x1.97x
D/E Ratio0.69x0.45x
Financial Leverage1.69x1.45x
Interest Coverage9.2x122.7x
Working Capital$3.69B$1.02B

Cash Flow

MetricBIIBNBIX
Operating Cash Flow$2.25B$1.07B
Free Cash Flow$2.07B$1.04B
Capital Spending-$176M-$26M
OCF Growth YoY-8.4%67.4%
FCF Growth YoY-10.1%75.3%
FCF/Sales20.1%28.1%
CapEx/Sales1.7%0.7%

Operational Efficiency

MetricBIIBNBIX
Asset Turnover0.32x0.66x
Receivables Turnover–3.9x
Inventory Turnover1.2x1.0x
Fixed Assets Turnover3.5x40.1x
Days Sales Outstanding–94 days
Days Inventory303 days358 days
Payables Period59 days815 days
Cash Conversion Cycle–-363 days

Income Statement

MetricBIIBNBIX
Total Revenue$10.30B$3.70B
Operating Income–$887M
Net Income$348M$702M
R&D Expense$2.15B$1.23B
SG&A Expense$2.75B$1.43B
Cost of Goods Sold$2.68B$67M

Dividend & Shareholder Information

MetricBIIBNBIX
Shares Outstanding148M102M
Net Income Growth-78.4%64.1%
EPS Growth-78.8%51.1%
FAQ

BIIB vs NBIX: stock comparison and AI forecast

Which is bigger, BIIB or NBIX?

BIIB is 2.2 times larger than NBIX by market capitalization ($36.71B against $16.73B).

Which is cheaper on earnings, BIIB or NBIX?

NBIX trades at 24.1 times trailing earnings, BIIB at 107.0 times.

Which stock performed better over the last six months, BIIB or NBIX?

Over the last six months BIIB returned +29.8% and NBIX +10.1%.

Which one does Intratio's AI model rank higher, BIIB or NBIX?

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.

Compare

More comparisons

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.