Side-by-side comparison

Biogen vs Pfizer

As of Sep 25, 2026, P/E is 24.5x for Biogen vs 37.7x for Pfizer; P/S is 3.4x for Biogen vs 2.6x for Pfizer; revenue growth is 1.2% for Biogen vs -0.2% for Pfizer; net margin is 13.8% for Biogen vs 6.8% for Pfizer.

Key metrics

MetricBIIBPFE
Price$227.60$28.67
Market cap$33.6B$163.41B
P/E24.5x (#1)37.7x (#2)
P/S3.4x (#2)2.6x (#1)
Revenue growth1.2% (#1)-0.2% (#2)
Operating margin24.9% (#1)—
Net margin13.8% (#1)6.8% (#2)
Debt / equity0.34 (#1)0.71 (#2)
1-year return+65.7% (#1)+20.7% (#2)
Research score67/100 (#1)51/100 (#2)

Higher is better for growth, margins, one-year return and overall score; lower is better for valuation and debt ratios. Ties share a rank and missing values are excluded.

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