Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000875045-25-000049
Filing Date
2025-10-30
Accepted
2025-10-30 06:31:48
Documents
146
Period of Report
2025-09-30

Document Format Files

Seq Description Document Type Size
1 10-Q biib-20250930.htm   iXBRL 10-Q 3073619
2 EX-31.1 biib-2025930xex311.htm EX-31.1 11235
3 EX-31.2 biib-2025930xex312.htm EX-31.2 10662
4 EX-32.1 biib-2025930xex321.htm EX-32.1 9306
10 biib-20250930_g1.jpg GRAPHIC 62626
11 biib-20250930_g10.jpg GRAPHIC 83181
12 biib-20250930_g11.jpg GRAPHIC 96314
13 biib-20250930_g12.jpg GRAPHIC 105240
14 biib-20250930_g2.jpg GRAPHIC 16574
15 biib-20250930_g3.jpg GRAPHIC 13028
16 biib-20250930_g4.jpg GRAPHIC 17271
17 biib-20250930_g5.jpg GRAPHIC 16190
18 biib-20250930_g6.jpg GRAPHIC 45047
19 biib-20250930_g7.jpg GRAPHIC 46763
20 biib-20250930_g8.jpg GRAPHIC 71989
21 biib-20250930_g9.jpg GRAPHIC 70436
  Complete submission text file 0000875045-25-000049.txt   17481141

Data Files

Seq Description Document Type Size
5 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT biib-20250930.xsd EX-101.SCH 111641
6 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT biib-20250930_cal.xml EX-101.CAL 90859
7 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT biib-20250930_def.xml EX-101.DEF 688070
8 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT biib-20250930_lab.xml EX-101.LAB 1059699
9 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT biib-20250930_pre.xml EX-101.PRE 903323
149 EXTRACTED XBRL INSTANCE DOCUMENT biib-20250930_htm.xml XML 3035350
Mailing Address 225 BINNEY STREET CAMBRIDGE MA 02142
Business Address 225 BINNEY STREET CAMBRIDGE MA 02142 7814642000
BIOGEN INC. (Filer) CIK: 0000875045 (see all company filings)

EIN.: 330112644 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 000-19311 | Film No.: 251432056
SIC: 2836 Biological Products, (No Diagnostic Substances)
(CF Office: 03 Life Sciences)