BI

Biogen Inc. stock research

Mar 31, 2025

FY2025 Q1

Biogen (BIIB) Gross Margin — Quarter Ended Mar 31, 2025

Revenue for the quarter was lower than the immediately preceding quarter but higher than the same quarter one year earlier. Gross profit followed a similar pattern, while cost of revenue increased compared to both prior periods, resulting in a gross margin that weakened from both the prior quarter and the year-ago quarter.

Gross margin takeaway

Quarter ended Mar 31, 2025 · FY2025 Q1

Revenue for the quarter was lower than the immediately preceding quarter but higher than the same quarter one year earlier. Gross profit followed a similar pattern, while cost of revenue increased compared to both prior periods, resulting in a gross margin that weakened from both the prior quarter and the year-ago quarter.

  • Gross margin declined compared with both the immediately preceding quarter and the same quarter one year earlier, driven by a rise in cost of revenue that outpaced the change in revenue.
  • Compared with the immediately preceding quarter, revenue was lower and cost of revenue was higher, leading to a weakened gross margin. Compared with the same quarter one year earlier, revenue was higher but cost of revenue rose more sharply, resulting in a weaker gross margin.

Gross margin snapshot

The selected quarter's reported revenue, gross profit, direct costs, and margin comparisons.

Gross margin

74.1%

Gross profit

$1.8B

Revenue

$2.4B

Cost of revenue

$629.3M

Quarter-over-quarter change

-2.1 pts

Year-over-year change

-2.2 pts

Quarterly gross margin trend

A four-quarter view of the revenue and direct-cost bridge behind gross margin.

PeriodRevenueGross profitCost of revenueGross margin
Jun 30, 2024$2.5B$1.9B$546.0M77.8%
Sep 30, 2024$2.5B$1.8B$638.7M74.1%
Dec 31, 2024$2.5B$1.9B$583.5M76.2%
Mar 31, 2025$2.4B$1.8B$629.3M74.1%

Quarterly comparisons

Compare the selected margin with the preceding quarter and the same fiscal quarter one year earlier.

Previous-quarter change

Dec 31, 2024

-2.1 pts

Year-over-year change

Mar 31, 2024

-2.2 pts

What the margin says

Filing-constrained interpretation of margin direction, comparisons, and what to monitor next.

Gross margin declined compared with both the immediately preceding quarter and the same quarter one year earlier, driven by a rise in cost of revenue that outpaced the change in revenue.

Compared with the immediately preceding quarter, revenue was lower and cost of revenue was higher, leading to a weakened gross margin. Compared with the same quarter one year earlier, revenue was higher but cost of revenue rose more sharply, resulting in a weaker gross margin.

Monitor the trajectory of cost of revenue, as its growth relative to revenue has compressed gross margin.