Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000763212-25-000007
Filing Date
2025-11-13
Accepted
2025-11-13 20:28:22
Documents
1

Document Format Files

Seq Description Document Type Size
1 primary_doc.html SCHEDULE 13G/A  
1 primary_doc.xml SCHEDULE 13G/A 5547
  Complete submission text file 0000763212-25-000007.txt   7465
Mailing Address 177 EAST COLORADO BLVD. 11TH FLOOR PASADENA CA 91105
Business Address 177 EAST COLORADO BLVD. 11TH FLOOR PASADENA CA 91105 6263049222
PRIMECAP MANAGEMENT CO/CA/ (Filed by) CIK: 0000763212 (see all company filings)

EIN.: 953868081
Type: SCHEDULE 13G/A

Mailing Address 225 BINNEY STREET CAMBRIDGE MA 02142
Business Address 225 BINNEY STREET CAMBRIDGE MA 02142 7814642000
BIOGEN INC. (Subject) CIK: 0000875045 (see all company filings)

EIN.: 330112644 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SCHEDULE 13G/A | Act: 34 | File No.: 005-42028 | Film No.: 251480596
SIC: 2836 Biological Products, (No Diagnostic Substances)
(CF Office: 03 Life Sciences)