Biogen Inc. (BIIB) vs IDEXX Laboratories, Inc. (IDXX)

A side-by-side comparison of Biogen Inc. and IDEXX Laboratories, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of September 10, 2026. Differences are shown without an overall score or investment verdict.

Compare

Total returnBIIB vs IDXX

growth of $100 · dividends reinvested · last 10y
BIIB -32.5% (-3.9%/yr)IDXX +370.3% (+16.7%/yr)IDXX compounded faster over this window
Log scale — wide-divergence pair
101001kStart $10020182020202220242026$67$470
BIIB IDXX

BIIB vs IDXX: by the numbers

  • IDXX is the larger company ($40.39B vs $31.73B market cap).
  • IDXX trades at the lower trailing earnings multiple (36.26 vs 38.01 P/E), one valuation lens rather than an overall verdict.
  • IDXX converts more revenue to profit (25.03% vs 8.39% net margin).
  • IDXX grew revenue faster over the past five years (8.37% vs -3.19% CAGR).

Metrics side by side

Valuation

MetricBIIBIDXX
P/E ratio38.0136.26
Forward P/E17.2034.66
P/S ratio3.198.87
P/B ratio1.6825.05
EV / EBITDAN/A25.60
FCF yield8.50%3.10%

Profitability

MetricBIIBIDXX
Gross margin67.71%62.45%
Operating margin12.79%32.03%
Net margin8.39%25.03%
ROE4.43%70.67%
ROIC4.28%41.33%

Growth (annualized)

MetricBIIBIDXX
Revenue CAGR (5Y)-3.19%8.37%
EPS CAGR (5Y)-18.67%14.07%
FCF CAGR (5Y)-11.63%12.49%
Total return CAGR (5Y)-6.83%-5.31%

Frequently asked

Which has the lower trailing P/E, BIIB or IDXX?
IDXX has the lower trailing P/E: BIIB trades at 38.01 and IDXX at 36.26. P/E is one valuation measure and does not by itself establish which business is cheaper.
Which has grown faster, BIIB or IDXX?
Over the past five years, IDXX grew revenue faster — BIIB at a -3.19% CAGR versus IDXX at 8.37%.
Is BIIB or IDXX more profitable?
IDXX runs the higher net margin — BIIB at 8.39% versus IDXX at 25.03%.
How have BIIB and IDXX total returns compared?
Over the past 10 years, BIIB delivered -3.34% and IDXX delivered 16.70% annualized total return. Past performance doesn't predict future results.

Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified September 10, 2026.