BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

PRINCIPAL SECURITIES, INC.'s Holding History (CIK: 0000012600)

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

Q3 2025
Shares 711 Value ($000) $100 Avg Close $135.17 Range $121.05 - $150.28
Q2 2025
Shares 704 Value ($000) $88 Avg Close $124.60 Range $110.04 - $137.32
Q1 2025
Shares 337 Value ($000) $52 Avg Close $142.96 Range $128.51 - $157.09
Q4 2024
Shares 337 Value ($000) $52 Avg Close $168.67 Range $145.07 - $195.00
Q3 2024
Shares 259 Value ($000) $50 Avg Close $209.21 Range $188.78 - $238.00
Q2 2024
Shares 270 Value ($000) $63 Avg Close $217.32 Range $189.44 - $237.54
Q1 2024
Shares 278 Value ($000) $60 Avg Close $234.20 Range $211.02 - $268.30
Q4 2023
Shares 451 Value ($000) $117 Avg Close $245.62 Range $220.86 - $269.43