SEC Filing Update: #BIIB : $165.68
Sector: Healthcare | YTD: 🔼+ 10.48 %
The SEC disclosed Today (13-NOV-2025) that PRIMECAP MANAGEMENT CO CA has NO-CHANGE its #BIIB Shares by 0.00%
* Previous Holdings: 14.95M Shares
* Current Holdings: 14.95M Shares
0.00
0.00%
* Ownership: 10.20%
* Estimated Investment Value: $0.00
https://www.thinksabio.com/reports/isr/BIIB
Institutional ownership in #BIIB has been steadily rising over the past 2 quarters in Shares:
Q1 2025: 126.98M
Q2 2025: 129.69M