What is Biogen's income tax?

Biogen (BIIB) reported income tax of $58.2M in Q1 2026.

How has Biogen's income tax changed year-over-year?

Biogen's income tax decreased by 17.7% year-over-year, from $70.7M to $58.2M.

What is the long-term trend for Biogen's income tax?

Over 4 years (2021 to 2025), Biogen's income tax has grown at a 50.8% compound annual growth rate (CAGR), from $52.4M to $270.7M.

What does income tax mean?

Total income tax expense (current + deferred) recognized in the income statement, representing the company's total tax obligation on pre-tax income.

Biogen BIIB Income Tax

Income Tax at other companies

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$6.8M+3,500%

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$586K+43.6%

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$344K-96.1%

AnaptysBio, Inc.ANAB

$40K-9.1%

Syndax PharmaceuticalsSNDX

$0—

Other financials

Income statement

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Revenue$2.5B+1.9%

Gross profit$1.8B+0.8%

Operating income$610.7M—

Net income$319.5M+32.8%

EPS (diluted)$2.15+31.1%

Balance sheet

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Cash & equivalents$3.4B+30.2%

Total debt$6.6B+34.7%

Total equity$18.7B+9.9%

Total assets$29.5B+5.2%

Cash flow

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Operating cash flow$645.5M+149%

CapEx$51.2M+38.0%

Free cash flow$594.3M+167%

Valuation

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Market cap$29.12B+46.9%

Enterprise value$32.3B+36.5%

P/E20.5×+7.5×

P/S2.9×+0.9×

Profitability

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Gross margin75.5%-0.1pp

Operating margin22.9%—

Net margin14.3%-0.8pp

FCF margin24.4%-0.4pp

Returns & leverage

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Return on equity8%-1.2pp

Debt / equity0.4×+0.1×

Current ratio3.1×+1.6×

Where this comes from

Reported directly by Biogen in its filing.

Tagged under the XBRL concept us-gaap:IncomeTaxExpenseBenefit.

The official record: Biogen’s 10-Q, filed April 29, 2026, on SEC EDGAR. View the filing →

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Questions, answered.

What is Biogen's income tax?: Biogen (BIIB) reported income tax of $58.2M in Q1 2026.
How has Biogen's income tax changed year-over-year?: Biogen's income tax decreased by 17.7% year-over-year, from $70.7M to $58.2M.
What is the long-term trend for Biogen's income tax?: Over 4 years (2021 to 2025), Biogen's income tax has grown at a 50.8% compound annual growth rate (CAGR), from $52.4M to $270.7M.
What does income tax mean?: Total income tax expense (current + deferred) recognized in the income statement, representing the company's total tax obligation on pre-tax income.