BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Westfuller Advisors, LLC's Holding History (CIK: 0002024115)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 59 Value ($000) $10 Avg Close $163.37 Range $138.00 - $185.17
Q3 2025
Shares 26 Value ($000) $4 Avg Close $135.17 Range $121.05 - $150.28