Biogen Inc.

BIIB | NASDAQ

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$220.11

+$4.61 (+2.14%)

Sep 21, 2026, 12:37 PM ET · Market open

Overview Rating Statistics Financials Earnings Analysts Ownership Profile

Market Data

Market Cap $31.84B

Enterprise Value $38.91B

Beta 0.17

Average Volume 1.12M

Shares Outstanding (Diluted) 148.7M

Shares Change YoY 1.92%

Institutional Ownership 91.69%

Exchange NASDAQ

ISIN US09062X1037

Price Performance

Price Change 1M 0.2%

Price Change 3M 7.9%

Price Change 6M 17.4%

Price Change YTD 21.2%

Price Change 1Y 49.9%

Price Change 3Y -16.4%

Price Change 5Y -26.1%

1M CAGR (ann.) 4.5%

1Y CAGR (ann.) 48.8%

5Y CAGR (ann.) -6.4%

All-Time CAGR 7.9%

Valuation

PE Ratio 38.14

Forward PE 12.96

PEG Ratio -0.83

Forward PEG 1.14

PS Ratio 3.20

Forward PS 3.00

PB Ratio 1.69

P/FCF Ratio 10.73

P/Adj. FCF Ratio 11.24

P/OCF Ratio 11.06

EV/Sales 3.91

EV/EBIT 34.96

EV/EBITDA 23.29

EV/FCF 13.11

Earnings Yield 2.6%

FCF Yield 9.3%

Adj. FCF Yield 8.9%

Financial Health

Net Debt $6.81B

Total Debt $8.36B

Cash & Short-Term Investments $1.29B

Total Assets $32.09B

Current Ratio 1.87

Quick Ratio 1.26

Debt / Equity Ratio 0.44

Debt / EBITDA 5.00

Debt / FCF 2.81

OCF / Debt 0.34

Interest Coverage 4.47

Altman Z-Score 2.91

Piotroski F-Score 3

Margins & Profitability

Gross Profit Margin 67.7%

Operating Profit Margin 12.8%

EBITDA Margin 16.8%

Net Profit Margin 8.4%

FCF Margin 29.8%

Adj. FCF Margin 28.5%

SBC / Revenue 1.4%

SBC Impact (per share) -4.5%

Returns

Return on Assets 2.6%

Return on Equity 4.5%

Return on Invested Capital 4.3%

Return on Capital Employed 4.5%

Return on Tangible Assets 7.2%

Historical Growth (CAGR)

Revenue CAGR 3Y -0.1%

Revenue CAGR 5Y -3.2%

Revenue CAGR 10Y -1.2%

EPS CAGR 3Y -32.5%

EPS CAGR 5Y -14.6%

EPS CAGR 10Y -10.5%

FCF CAGR 3Y 38.1%

FCF CAGR 5Y 3.8%

FCF CAGR 10Y -0.8%

Analyst Forecasts

Analyst Rating Buy

Analyst Count 49

EPS Growth Next 3Y 53.4%

Revenue Growth Next 3Y 3.9%

Earnings Date Oct 27, 2026

EPS Estimate (next Q) $2.03

EPS Growth Est (next Q) -57.8%

Revenue Est (next Q) $2.64B

Revenue Growth Est (next Q) 7.5%

Fair Value Estimates

Graham Number $127.37

Graham Upside -40.9%

Lynch Fair Value $28.25

Lynch Upside -86.9%

Price Target $245.88

Price Target Upside 14.1%

Cash Flow

Operating Cash Flow $2.88B

Free Cash Flow $2.97B

Adj. Free Cash Flow $2.83B

FCF Per Share $20.10

OCF Per Share $19.49

OCF/S Ratio 28.9%

Income Statement

Revenue $9.95B

Gross Profit $6.74B

Operating Income $1.27B

EBITDA $1.67B

Net Income $835.09M

EPS (Diluted) $5.65

Revenue / Employee $1.33M

Profit / Employee $111.35K

Employees 7,500