Biogen Inc (BIIB) Revenue by Year

BIIB

Biogen Inc generated $9.9B in revenue in fiscal year 2025. This represents an increase of 2.2% from the prior fiscal year. Over the trailing 12 months, Q2 FY2025 through Q1 FY2026, the same line adds up to $9.9B in revenue. The table below carries 15 fiscal years, from 2011 to 2025, and the quarters Biogen Inc has filed alongside them.

FY2025 annual

Revenue $9.9B

YoY +2.2%

5Y CAGR -6.0%

10Y CAGR -0.8%

Source SEC Filings (10-K/10-Q) Latest period Q1 FY2026, ended Mar 31, 2026 Reported Apr 29, 2026 Currency USD

Annual figures, oldest first. Point at a bar to read its period.

BIIB Revenue by Fiscal Year

Figures are as reported in USD. Each change compares the year with the year before it, and each column links to the filing it was taken from.

Metric	TTM	FY2510-K	FY2410-K	FY2310-K	FY2210-K	FY2110-K	FY2010-K	FY1910-K	FY1810-K	FY1710-K	FY1610-K	FY1510-K	FY1410-K	FY1310-K	FY1210-K	FY1110-K
Revenue	$9.9B	$9.9B+2.2%	$9.7B-1.6%	$9.8B-3.3%	$10.2B-7.4%	$11.0B-18.3%	$13.4B-6.5%	$14.4B+6.9%	$13.5B+9.6%	$12.3B+7.2%	$11.4B+6.4%	$10.8B+10.9%	$9.7B+40.0%	$6.9B+25.7%	$5.5B+9.3%	$5.0B

TTM is the trailing twelve months, Q2 FY2025 through Q1 FY2026, summed from the four most recent quarterly filings.

BIIB Revenue by Quarter

Figures are as reported in USD. Each change compares the quarter with the same quarter a year earlier.

Metric	Q1'2610-Q	Q4'2510-Q	Q3'2510-Q	Q2'2510-Q	Q1'2510-Q	Q4'2410-K	Q3'2410-Q	Q2'2410-Q	Q1'2410-Q	Q4'2310-K	Q3'2310-Q	Q2'2310-Q
Revenue	$2.5B+1.9%	$2.3B-7.1%	$2.5B+2.8%	$2.6B+7.3%	$2.4B+6.1%	$2.5B+2.9%	$2.5B-2.5%	$2.5B+0.4%	$2.3B-7.0%	$2.4B-6.2%	$2.5B+0.9%	$2.5B-5.1%

What revenue means

Revenue is everything the company billed its customers over the period, counted before any cost of running the business comes out of it.

More Biogen Inc financials

Frequently Asked Questions

What was Biogen Inc's revenue in fiscal year 2025?

Biogen Inc generated $9.9B in revenue in fiscal year 2025.

How fast is Biogen Inc's revenue growing?

Biogen Inc (BIIB) revenue rose by 2.2% year over year, from $9.7B to $9.9B in fiscal year 2025.

What is Biogen Inc's revenue over the last twelve months?

Biogen Inc (BIIB) reported $9.9B in revenue over the trailing 12 months, Q2 FY2025 through Q1 FY2026, summed from the four most recent quarterly filings.

How has Biogen Inc's revenue changed over the years?

Across the 15 fiscal years this page covers, Biogen Inc (BIIB) revenue went from $5.0B in fiscal year 2011 to $9.9B in fiscal year 2025.

What was Biogen Inc's revenue in the most recent quarter?

Biogen Inc (BIIB) reported $2.5B in revenue in Q1 2026. This represents an increase of 1.9% from the same quarter a year earlier.

What does revenue mean on a financial statement?

Revenue is everything the company billed its customers over the period, counted before any cost of running the business comes out of it. This page lists what Biogen Inc (BIIB) reported on that line in every period on record.