Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000875045-25-000018
Filing Date
2025-05-01
Accepted
2025-05-01 16:48:23
Documents
134
Period of Report
2025-03-31

Document Format Files

Seq Description Document Type Size
1 10-Q biib-20250331.htm   iXBRL 10-Q 2222469
2 EX-31.1 biib-2025331xex311.htm EX-31.1 11230
3 EX-31.2 biib-2025331xex312.htm EX-31.2 10657
4 EX-32.1 biib-2025331xex321.htm EX-32.1 9292
10 biib-20250331_g1.jpg GRAPHIC 62626
11 biib-20250331_g2.jpg GRAPHIC 16040
12 biib-20250331_g3.jpg GRAPHIC 12078
13 biib-20250331_g4.jpg GRAPHIC 15797
14 biib-20250331_g5.jpg GRAPHIC 16000
15 biib-20250331_g6.jpg GRAPHIC 43706
16 biib-20250331_g7.jpg GRAPHIC 69580
17 biib-20250331_g8.jpg GRAPHIC 54763
18 biib-20250331_g9.jpg GRAPHIC 95228
  Complete submission text file 0000875045-25-000018.txt   13688093

Data Files

Seq Description Document Type Size
5 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT biib-20250331.xsd EX-101.SCH 98014
6 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT biib-20250331_cal.xml EX-101.CAL 84003
7 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT biib-20250331_def.xml EX-101.DEF 626389
8 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT biib-20250331_lab.xml EX-101.LAB 960558
9 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT biib-20250331_pre.xml EX-101.PRE 823038
137 EXTRACTED XBRL INSTANCE DOCUMENT biib-20250331_htm.xml XML 2109393
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.: 25903992
SIC: 2836 Biological Products, (No Diagnostic Substances)
(CF Office: 03 Life Sciences)