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

AMGN vs BIIB: stock comparison and AI forecast

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

Share
Nasdaq · Biological Products, (No Diagnostic Substances)

AMGN Amgen Inc

Price
$460.42 +39.9% · 6M
Market Cap
$248.92B
P/E Ratio
26.7x
Size
mega-cap
AI Forecast
Full analysis →
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 →
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.

100110120130140
AMGN +39.9% BIIB +29.8%
AMGN · BIIB

Key facts

  • AMGN is 6.8 times larger than BIIB by market capitalization ($248.92B against $36.71B).
  • AMGN trades at 26.7 times trailing earnings, BIIB at 107.0 times.
  • Over the last six months AMGN returned +39.9% and BIIB +29.8%.
  • AMGN turns 24.1% of its revenue into net income, against 3.4% for BIIB.
  • AMGN carries 5.69 times debt per unit of equity, against 0.69 times for BIIB.
  • AMGN yields 2.16% in dividends; BIIB pays none.
  • Both companies share the SEC industry classification Biological Products, (No Diagnostic Substances).
Fundamentals

Fundamentals side by side

Trailing twelve months.

Valuation & Market

MetricAMGNBIIB
Market Cap$248.92B$36.71B
P/E Ratio26.71x107.05x
P/B Ratio17.34x1.94x
Dividend Yield2.16%–
EPS$17.24$2.32
Book Value/Share$26.55$128.01
Revenue/Share$71.96$69.66
FCF/Share$17.72$14.01

Profitability & Margins

MetricAMGNBIIB
ROE65.4%1.8%
ROA9.8%1.1%
ROIC17.3%–
Gross Margin70.9%74.0%
Operating Margin32.4%–
Net Margin24.1%3.4%
EBT Margin28.4%4.3%
Tax Rate15.0%21.9%

Financial Health

MetricAMGNBIIB
Current Ratio1.48x1.95x
Quick Ratio1.20x1.37x
D/E Ratio5.69x0.69x
Financial Leverage6.69x1.69x
Interest Coverage5.7x9.2x
Working Capital$11.13B$3.69B

Cash Flow

MetricAMGNBIIB
Operating Cash Flow$12.04B$2.25B
Free Cash Flow$9.58B$2.07B
Capital Spending-$2.45B-$176M
OCF Growth YoY-8.3%-8.4%
FCF Growth YoY-17.0%-10.1%
FCF/Sales24.6%20.1%
CapEx/Sales6.3%1.7%

Operational Efficiency

MetricAMGNBIIB
Asset Turnover0.41x0.32x
Receivables Turnover3.8x–
Inventory Turnover1.8x1.2x
Fixed Assets Turnover4.4x3.5x
Days Sales Outstanding97 days–
Days Inventory206 days303 days
Payables Period95 days59 days
Cash Conversion Cycle208 days–

Income Statement

MetricAMGNBIIB
Total Revenue$38.90B$10.30B
Operating Income$12.61B–
Net Income$9.39B$348M
R&D Expense$7.84B$2.15B
SG&A Expense$6.98B$2.75B
Cost of Goods Sold$11.32B$2.68B

Dividend & Shareholder Information

MetricAMGNBIIB
Dividends Per Share$9.93–
Payout Ratio57.6%–
Shares Outstanding541M148M
Net Income Growth34.1%-78.4%
EPS Growth35.3%-78.8%
FAQ

AMGN vs BIIB: stock comparison and AI forecast

Which is bigger, AMGN or BIIB?

AMGN is 6.8 times larger than BIIB by market capitalization ($248.92B against $36.71B).

Which is cheaper on earnings, AMGN or BIIB?

AMGN trades at 26.7 times trailing earnings, BIIB at 107.0 times.

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

Over the last six months AMGN returned +39.9% and BIIB +29.8%.

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

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.