BIIB
Biogen
$215.43
+$4.70 (+2.23%)Sep 10, 2026
Key metrics
The numbers that frame BIIB today
- Market cap
- $31.83B
- P/E (TTM)
- 38.1
- EV / FCF
- 14.5
- Gross margin
- 74%
- EV / Sales
- 3.9
- ROIC
- 7.3%
- Div yield
- 0%
- Debt / equity
- 0.4
- 52wk Low
- $135.39
- 52wk High
- $225.80
Growth
Revenue and earnings trend for BIIB
RevenueNet income
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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?
Hold. Biogen has mixed quality and strong momentum. The setup is mixed. Growth looks poor. That could put pressure on the long-term business case. We think Biogen is selling at a fair price.
What is the market capitalization of BIIB?
Biogen's market capitalization is $31.83B.
What is the P/E ratio for BIIB stock?
Biogen's current P/E ratio is 38.1.
What is the 52-week high for BIIB stock?
The 52-week high for Biogen is $225.80. The current close of $215.43 is 4.6% below that high.
What is the 52-week low for BIIB stock?
The 52-week low for Biogen is $135.39. The current close of $215.43 is 59.1% 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.