BIOGEN INC. (BIIB)
About BIOGEN INC.
Biogen is an established biopharmaceutical company focused on treatments for neurodegenerative and rare diseases. Its declining multiple sclerosis franchise is its largest revenue generator and contributed 40% of total revenue in 2025. Biogen also generates significant revenue from its CD20 collaboration agreements with Roche (19% of total in 2025), which includes oncology drugs Rituxan and Gazyva and multiple sclerosis drug Ocrevus. Biogen's newer franchises include Spinraza (spinal muscular atrophy, with partner Ionis), Leqembi (Alzheimer's disease, collabroation revenue from its partner Eisai), Skyclarys (Friedreich's ataxia, Reata), Zurzuvae (postpartum depression, Sage), and Qalsody (amyotrophic lateral sclerosis, Ionis).
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American Credentials
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Financial summary
- Revenue FY2025
- $9.9B
- Net income
- $1.3B
- Total assets
- $29.4B
- Market cap
- $28.8B
- Gross margin
- 75.7%
- Operating margin
- 15.7%
- Net margin
- 13.1%
Source: SEC EDGAR · updated Jun 7, 2026
Revenue & profit trend
Financial statements
Income statement
- Revenue
- $9.9B
- Cost of revenue
- $2.4B
- Gross profit
- $7.5B
- Operating expenses
- $5.9B
- Operating income
- $1.6B
- Income tax
- $263.6M
- Net income
- $1.3B
- EPS (basic)
- $8.83
- EPS (diluted)
- $8.79
Balance sheet
- Total assets
- $29.4B
- Current assets
- $9.0B
- Total liabilities
- $11.2B
- Current liabilities
- $3.3B
- Shareholders’ equity
- $18.3B
Cash flow
- Operating cash flow
- $2.2B
- Investing cash flow
- -$1.4B
- Financing cash flow
- -$301.9M
- Net cash flow
- $633.5M
Statements via Polygon.io (SEC filings)
15-minute delayed · data by Polygon.io
Past year · hover for prices
52-week range
- Market cap
- $28.8B
- P/E ratio
- 23.0
- EPS (diluted)
- $8.79
- Shares outstanding
- 142.6M
- Open
- —
- Day range
- –
- Prev close
- —
- Volume
- —
- IPO date
- Sep 17, 1991
Biogen Inc. (BIIB) Stock Price
- Profitable — net income of $1.3B in FY2025.
- Revenue declined 26% from FY2020 to FY2025.
- Gross margin of 75.7%, net margin 13.1%.
- Trading 7% below its 52-week high.
- Valued at a price-to-earnings (P/E) ratio of 23.0.
Automatically generated from public filings and market data. Informational only — not investment advice or a recommendation to buy or sell any security.
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News about BIOGEN INC.
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Biogen Inc.: frequently asked questions
Is Biogen Inc. an American company?
Yes — Biogen Inc. is an American company headquartered in Cambridge, Massachusetts. Its American-origin credentials have been independently reviewed and verified by americancompanies.com.
Where is Biogen Inc. headquartered?
Biogen Inc. is headquartered in Cambridge, Massachusetts, United States.
Is Biogen Inc. publicly traded?
Yes — Biogen Inc. is a publicly traded company. Its stock trades under the ticker symbol BIIB on the NASDAQ.
What does Biogen Inc. do?
Biogen Inc. is an American Pharmaceuticals company in the Health & Beauty sector.
When was Biogen Inc. founded?
Biogen Inc. was founded in 1978.
