BIIB
Biogen
$252.26
+$1.58 (+0.63%)Oct 26, 2026
Key metrics
The numbers that frame BIIB today
- Market cap
- $37.27B
- P/E (TTM)
- 44.8
- EV / FCF
- 16.6
- Gross margin
- 74%
- EV / Sales
- 4.4
- ROIC
- 7.3%
- Div yield
- 0%
- Debt / equity
- 0.4
- 52wk Low
- $138.00
- 52wk High
- $254.41
Growth
Revenue and earnings trend for BIIB
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Free cash flow and financial health
Free cash flowNet debt
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Free cash flow detail, returns on capital and the balance-sheet trend - free with an account.
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Recent insider buying and selling activity
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Already a member? Log inFrequently asked questions
Plain-English answers about BIIB
Is Biogen a good buy?
Yes. Biogen has mixed quality and excellent momentum. Taken together, the setup leans positive. Growth looks poor, a caveat that does not overturn the setup. We think Biogen is selling at a fair price.
What is the market capitalization of BIIB?
Biogen's market capitalization is $37.27B.
What is the P/E (TTM) ratio for BIIB stock?
Biogen's P/E (TTM) ratio is 44.8, based on trailing earnings.
What is the 52-week high for BIIB stock?
The 52-week high for Biogen is $254.41. The current close of $252.26 is 0.8% below that high.
What is the 52-week low for BIIB stock?
The 52-week low for Biogen is $138.00. The current close of $252.26 is 82.8% above that low.
Does BIIB stock pay dividends?
Biogen does not currently show a dividend per share in the company data.
What is the Debt / Equity ratio for BIIB?
Biogen's Debt / Equity ratio is 0.44.