BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Grove Bank & Trust's Holding History (CIK: 0001662212)

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

Q4 2025
Shares 85 Value ($000) $15 Avg Close $163.37 Range $138.00 - $185.17
Q3 2025
Shares 51 Value ($000) $7 Avg Close $135.17 Range $121.05 - $150.28
Q2 2025
Shares 51 Value ($000) $6 Avg Close $124.60 Range $110.04 - $137.32
Q1 2025
Shares 444 Value ($000) $61 Avg Close $142.96 Range $128.51 - $157.09
Q4 2024
Shares 125 Value ($000) $19 Avg Close $168.67 Range $145.07 - $195.00
Q3 2024
Shares 104 Value ($000) $20 Avg Close $209.21 Range $188.78 - $238.00
Q2 2024
Shares 71 Value ($000) $16 Avg Close $217.32 Range $189.44 - $237.54
Q1 2024
Shares 71 Value ($000) $15 Avg Close $234.20 Range $211.02 - $268.30
Q4 2023
Shares 71 Value ($000) $18 Avg Close $245.62 Range $220.86 - $269.43
Q3 2023
Shares 71 Value ($000) $18 Avg Close $267.47 Range $251.85 - $287.60
Q2 2023
Shares 108 Value ($000) $31 Avg Close $297.86 Range $273.39 - $319.76
Q1 2023
Shares 108 Value ($000) $30 Avg Close $276.70 Range $254.80 - $295.90
Q4 2022
Shares 92 Value ($000) $0 Avg Close $282.44 Range $250.31 - $311.88
Q4 2017
Shares 143 Value ($000) $46 Avg Close $320.80 Range $301.81 - $348.84
Q3 2017
Shares 152 Value ($000) $48 Avg Close $296.11 Range $269.50 - $330.00
Q2 2017
Shares 270 Value ($000) $73 Avg Close $264.42 Range $244.28 - $291.90
Q1 2017
Shares 188 Value ($000) $51 Avg Close $282.75 Range $260.50 - $301.42
Q4 2016
Shares 188 Value ($000) $53 Avg Close $296.43 Range $268.00 - $329.83
Q2 2016
Shares 12 Value ($000) $3 Avg Close $263.54 Range $223.02 - $292.69