BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

SUMMIT SECURITIES GROUP LLC's Holding History (CIK: 0001531593)

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

Q4 2025
Shares 219 Value ($000) $39 Avg Close $163.37 Range $138.00 - $185.17
Q3 2025
Shares 49 Value ($000) $7 Avg Close $135.17 Range $121.05 - $150.28
Q4 2024
Shares 24 Value ($000) $4 Avg Close $168.67 Range $145.07 - $195.00
Q3 2024
Shares 500 Value ($000) $0 Avg Close $209.21 Range $188.78 - $238.00
Q2 2024
Shares 19 Value ($000) $0 Avg Close $217.32 Range $189.44 - $237.54
Q1 2024
Shares 800 Value ($000) $0 Avg Close $234.20 Range $211.02 - $268.30
Q4 2023
Shares 912 Value ($000) $0 Avg Close $245.62 Range $220.86 - $269.43
Q3 2023
Shares 16 Value ($000) $0 Avg Close $267.47 Range $251.85 - $287.60
Q2 2023
Shares 48 Value ($000) $0 Avg Close $297.86 Range $273.39 - $319.76
Q3 2022
Shares 571 Value ($000) $152 Avg Close $212.38 Range $193.65 - $283.44
Q1 2022
Shares 664 Value ($000) $140 Avg Close $217.46 Range $192.67 - $249.00
Q2 2016
Shares 6,363 Value ($000) $1,539 Avg Close $263.54 Range $223.02 - $292.69
Q1 2016
Shares 6,578 Value ($000) $1,712 Avg Close $264.15 Range $242.07 - $301.02