Stock Taper
| DATE | TYPE | RATIO |
|---|---|---|
| 2001-01-18 | Forward | 3:1 |
| 1999-12-21 | Forward | 2:1 |
Biogen Inc. develops therapies for neurological diseases, including multiple sclerosis, Alzheimer's, and neurodegenerative disorders, with a broad portfolio of biologics, biosimilars, and research collaborations.

Leqembi, an FDA-approved antibody therapy for Alzheimer's that removes amyloid beta plaques, is a key growth driver for Biogen's focus on neurological diseases and represents the company's shift toward innovative treatments.
| Icon | PRODUCT | Q3-2025 | Q4-2025 | Q1-2026 | Q2-2026 |
|---|---|---|---|---|---|
![]() | MS Product Revenues | $1.06B | $917.2M ▼ | $957.5M ▲ | $963.3M ▲ |
![]() | TYSABRI product | $431.8M | $397.5M ▼ | $441.5M ▲ | $450.8M ▲ |
![]() | SPINRAZA | $374M | $356.2M ▼ | $374M ▲ | $401.9M ▲ |
![]() | Fumarate | $382.8M | $292.9M ▼ | $288.5M ▼ | $287.4M ▼ |
![]() | Interferon | $246.9M | $225.7M ▼ | $227.5M ▲ | $225.1M ▼ |
| Map | REGION | Q3-2025 | Q4-2025 | Q1-2026 | Q2-2026 |
|---|---|---|---|---|---|
![]() | UNITED STATES | $935.3M | $0 ▼ | $839.2M ▲ | $1.11B ▲ |
![]() | NonUS | $911.6M | $749.6M ▼ | $913.1M ▲ | $801.9M ▼ |
Overall rating: B+
| PEER | PRICE | |
|---|---|---|
TEVA | $36.44 | COMPARE |
DXCM | $90.82 | COMPARE |
WAT | $414.69 | COMPARE |
LH | $335.11 | COMPARE |
DGX | $242.76 | COMPARE |
INCY | $124.37 | COMPARE |
STE | $233.78 | COMPARE |
UTHR | $515.46 | COMPARE |