How does Biogen (BIIB) make money?

Biogen (BIIB) primarily makes money through MS Product Revenues, which accounts for 42% of total revenue. For TTM through Q4 2025, Biogen generated $9.81B in total revenue with a net profit margin of 13.2%.

What is Biogen (BIIB) gross profit margin?

Biogen (BIIB) reported a gross profit margin of 70.5% for TTM through Q4 2025, equivalent to $6.91B in gross profit. This means Biogen retains 70.5% of each revenue unit after direct costs of production.

What is Biogen (BIIB) operating profit margin?

Biogen (BIIB) reported an operating profit margin of 19.1% for TTM through Q4 2025, equivalent to $1.88B in operating profit. This reflects profitability after operating expenses such as R&D, sales, and administration, but before taxes and non-operating items.

What is Biogen (BIIB) net profit margin?

Biogen (BIIB) reported a net profit margin of 13.2% for TTM through Q4 2025, equivalent to $1.29B in net profit. This is the share of revenue that remains as profit after all expenses, taxes, and non-operating items.

How much does Biogen (BIIB) invest in R&D?

Biogen (BIIB) invested $1.95B in research and development in TTM through Q4 2025 (19.9% of total revenue). R&D spending reflects investment in future products, services, and technologies.

How much does Biogen (BIIB) spend on capital expenditures?

Biogen (BIIB) spent $66.00M on capital expenditures in TTM through Q4 2025 (0.7% of total revenue). Capital expenditures represent investments in physical assets such as property, equipment, and infrastructure.

What is Biogen (BIIB) free cash flow?

Biogen (BIIB) generated $2.14B in free cash flow for TTM through Q4 2025 (21.8% of total revenue). Free cash flow is the cash remaining after capital expenditures and represents the company's ability to fund growth, pay dividends, or reduce debt.

What is Biogen (BIIB) effective tax rate?

Biogen (BIIB) had an effective tax rate of 7.7% for TTM through Q4 2025. This is the actual percentage of pre-tax income paid as income taxes.

How Biogen (BIIB) Makes Money: A Visual Guide

Biogen (BIIB) generated $9.81B in revenue, earning $1.29B in net profit (13.2% margin). Its largest revenue source is MS Product Revenues (42% of revenue). Below is an interactive breakdown of how revenue flows through the income statement.

Biogen (BIIB) Income Statement Flow — TTM through Q4 2025

Calculated from the four most recent reported quarters, ending December 31, 2025 (reported February 6, 2026).

Frequently asked questions

How does Biogen (BIIB) make money?: Biogen (BIIB) primarily makes money through MS Product Revenues, which accounts for 42% of total revenue. For TTM through Q4 2025, Biogen generated $9.81B in total revenue with a net profit margin of 13.2%.
What is Biogen (BIIB) gross profit margin?: Biogen (BIIB) reported a gross profit margin of 70.5% for TTM through Q4 2025, equivalent to $6.91B in gross profit. This means Biogen retains 70.5% of each revenue unit after direct costs of production.
What is Biogen (BIIB) operating profit margin?: Biogen (BIIB) reported an operating profit margin of 19.1% for TTM through Q4 2025, equivalent to $1.88B in operating profit. This reflects profitability after operating expenses such as R&D, sales, and administration, but before taxes and non-operating items.
What is Biogen (BIIB) net profit margin?: Biogen (BIIB) reported a net profit margin of 13.2% for TTM through Q4 2025, equivalent to $1.29B in net profit. This is the share of revenue that remains as profit after all expenses, taxes, and non-operating items.
How much does Biogen (BIIB) invest in R&D?: Biogen (BIIB) invested $1.95B in research and development in TTM through Q4 2025 (19.9% of total revenue). R&D spending reflects investment in future products, services, and technologies.
How much does Biogen (BIIB) spend on capital expenditures?: Biogen (BIIB) spent $66.00M on capital expenditures in TTM through Q4 2025 (0.7% of total revenue). Capital expenditures represent investments in physical assets such as property, equipment, and infrastructure.
What is Biogen (BIIB) free cash flow?: Biogen (BIIB) generated $2.14B in free cash flow for TTM through Q4 2025 (21.8% of total revenue). Free cash flow is the cash remaining after capital expenditures and represents the company's ability to fund growth, pay dividends, or reduce debt.
What is Biogen (BIIB) effective tax rate?: Biogen (BIIB) had an effective tax rate of 7.7% for TTM through Q4 2025. This is the actual percentage of pre-tax income paid as income taxes.

Data & methodology

What is a Sankey diagram?: A Sankey diagram shows how money flows through a company from revenue to net profit. The width of each flow represents its proportion.
How is the data calculated?: We use the income statement from company filings. For TTM (Trailing Twelve Months), we use a pre-aggregated twelve-month view aligned with our latest four quarterly periods. Revenue flows to cost of revenue and gross profit, then to operating expenses (R&D, S&M, G&A) and operating profit.
When was this data last updated?: Based on company filings through TTM through Q4 2025.