Biogen's revenue has held flat over three years, and shrunk 3.0% a year over five, with earnings per share falling 33% a year. Revenue growth, 3-year annual rate: +0.19% (Drug Manufacturers - General median +5.1%). Revenue growth, 5-year rate: −3.0%, growth has picked up over the last three years. Earnings per share, 3-year rate: −33%, earnings lagged revenue: the growth is costing something. Years of annual history on file: 19, FY2007 to FY2025, as filed.

BIIBBiogen

Healthcare

$250.76+76% 1Y

$250.76

$143.0052 weeks$253.90

Is it growing?

Watch

Growth is fading: earnings down −46% year on year and operating margin narrowing (−7.9 points).

2 to watch, 1 neutral

Revenue trend+0% in a year

Trailing-twelve-month revenue vs a year earlier, from the company's own filings. Five-year pace: −3% a year.

Earnings trend−46% 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−7.9 points operating

Trailing-twelve-month operating margin, 9.9% now against 17.8% a year earlier.

All from SEC EDGAR, as of Jun 30, 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 78% 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's revenue has held flat over three years, and shrunk 3.0% a year over five, with earnings per share falling 33% a year.

+0.19%

Revenue growth, 3-year annual rate · Drug Manufacturers - General median +5.1% · flat · compounded from trailing twelve-month revenue

Revenue growth, 5-year rate: −3.0%
Revenue growth, 5-year rate · +0.19% over three · growth has picked up over the last three years
Earnings per share, 3-year rate: −33%
Earnings per share, 3-year rate · revenue +0.19% · 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