Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000875045-26-000075
Filing Date
2026-07-29
Accepted
2026-07-29 06:36:19
Documents
138
Period of Report
2026-06-30

Document Format Files

Seq Description Document Type Size
1 10-Q biib-20260630.htm   iXBRL 10-Q 2972960
2 EX-31.1 biib-2026630xex311.htm EX-31.1 11232
3 EX-31.2 biib-2026630xex312.htm EX-31.2 10659
4 EX-32.1 biib-2026630xex321.htm EX-32.1 9295
10 biib-20260630_g1.jpg GRAPHIC 62626
11 biib-20260630_g10.jpg GRAPHIC 32114
12 biib-20260630_g11.jpg GRAPHIC 87973
13 biib-20260630_g12.jpg GRAPHIC 92815
14 biib-20260630_g13.jpg GRAPHIC 99995
15 biib-20260630_g2.jpg GRAPHIC 16344
16 biib-20260630_g3.jpg GRAPHIC 12308
17 biib-20260630_g4.jpg GRAPHIC 17371
18 biib-20260630_g5.jpg GRAPHIC 15416
19 biib-20260630_g6.jpg GRAPHIC 42920
20 biib-20260630_g7.jpg GRAPHIC 44376
21 biib-20260630_g8.jpg GRAPHIC 73287
22 biib-20260630_g9.jpg GRAPHIC 67807
  Complete submission text file 0000875045-26-000075.txt   17014373

Data Files

Seq Description Document Type Size
5 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT biib-20260630.xsd EX-101.SCH 111884
6 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT biib-20260630_cal.xml EX-101.CAL 102615
7 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT biib-20260630_def.xml EX-101.DEF 708039
8 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT biib-20260630_lab.xml EX-101.LAB 993548
9 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT biib-20260630_pre.xml EX-101.PRE 824487
142 EXTRACTED XBRL INSTANCE DOCUMENT biib-20260630_htm.xml XML 2903363
Mailing Address 225 BINNEY STREET CAMBRIDGE MA 02142
Business Address 225 BINNEY STREET CAMBRIDGE MA 02142 6176792000
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.: 261213858
SIC: 2836 Biological Products, (No Diagnostic Substances)
(CF Office: 03 Life Sciences)