Biogen has grown revenue −0.55% a year over three years and −4.6% a year over five, with earnings per share compounding at −24%. Revenue growth, 3-year annual rate: −0.55% (Drug Manufacturers - General median +6.3%). Revenue growth, 5-year rate: −4.6%, growth has picked up over the last three years. Earnings per share, 3-year rate: −24%, earnings lagged revenue: the growth is costing something. Years of annual history on file: 19, FY2007 to FY2025, as filed.

BIIBBiogen

Healthcare

$225.73+57% 1Y

$225.73

$135.6752 weeks$228.71

Is it growing?

Watch

Growth is fading: earnings down −8% year on year and operating margin narrowing (−2.1 points).

2 to watch, 1 neutral

Revenue trend+1% in a year

Trailing-twelve-month revenue vs a year earlier, from the company's own filings. Five-year pace: −5% a year.

Earnings trend−8% in a year

Trailing-twelve-month earnings per share against a year earlier. Growing slower than revenue, so the growth is costing something.

Margin direction−2.1 points operating

Trailing-twelve-month operating margin, 15.7% now against 17.8% a year earlier.

All from SEC EDGAR, as of Mar 31, 2026.

Against the whole market›

Percentile against every name Ryufin tracks. Higher is better; the tick marks the middle of the market. Context, not one of the checks above.

Revenue growth, 3 yearsbehind 81% of the market

Where this answer is blind. These are trailing numbers from the filings, not forecasts: an acquisition or a one-off year can flatter them, so check the quarters.

Is BIIB growing?

Biogen has grown revenue −0.55% a year over three years and −4.6% a year over five, with earnings per share compounding at −24%.

−0.55%

Revenue growth, 3-year annual rate · Drug Manufacturers - General median +6.3% · shrinking · compounded from trailing twelve-month revenue

Revenue growth, 5-year rate: −4.6%
Revenue growth, 5-year rate · −0.55% over three · growth has picked up over the last three years
Earnings per share, 3-year rate: −24%
Earnings per share, 3-year rate · revenue −0.55% · earnings lagged revenue: the growth is costing something
Years of annual history on file: 19
Years of annual history on file · FY2007 to FY2025, as filed