BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

SIG BROKERAGE, LP's Holding History (CIK: 0001094429)

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

Q4 2025
Shares 10,922 Value ($000) $1,922 Avg Close $163.37 Range $138.00 - $185.17
Q3 2025
Shares 4,781 Value ($000) $670 Avg Close $135.17 Range $121.05 - $150.28