Back to VP VANGUARD PORTFOLIO MANAGEMENT LLC
BIIB2 quarters
Position history for VPVANGUARD PORTFOLIO MANAGEMENT LLC's holdings in BIOGEN INC
VANGUARD PORTFOLIO MANAGEMENT LLC holds 6.6M shares of BIIB (BIOGEN INC), worth $1.4B as of 2026-Q2. The position was increased (+1.1% shares). BIIB represents 0.1% of VANGUARD PORTFOLIO MANAGEMENT LLC's portfolio.
Current Value
$1.4B
Current Shares
6.6M
Total Value Change
+$229.6M
Total Shares Change
+73,209
Quarter-by-Quarter History
Other major holders of BIIB: BNP PARIBAS FINANCIAL MARKETS, PRIMECAP MANAGEMENT CO/CA/