BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Joel Isaacson & Co., LLC's Holding History (CIK: 0001599330)

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

Q4 2025
Shares 1,564 Value ($000) $275 Avg Close $163.37 Range $138.00 - $185.17
Q3 2025
Shares 1,664 Value ($000) $233 Avg Close $135.17 Range $121.05 - $150.28
Q2 2023
Shares 744 Value ($000) $212 Avg Close $297.86 Range $273.39 - $319.76
Q1 2023
Shares 868 Value ($000) $241 Avg Close $276.70 Range $254.80 - $295.90
Q4 2022
Shares 868 Value ($000) $240 Avg Close $282.44 Range $250.31 - $311.88
Q3 2022
Shares 868 Value ($000) $232 Avg Close $212.38 Range $193.65 - $283.44
Q4 2021
Shares 878 Value ($000) $211 Avg Close $257.12 Range $221.72 - $290.76
Q3 2021
Shares 878 Value ($000) $248 Avg Close $327.75 Range $282.64 - $372.12
Q2 2021
Shares 878 Value ($000) $304 Avg Close $302.94 Range $257.03 - $468.55
Q1 2021
Shares 778 Value ($000) $218 Avg Close $269.69 Range $238.40 - $296.38
Q3 2020
Shares 778 Value ($000) $221 Avg Close $278.91 Range $261.87 - $312.00
Q2 2020
Shares 778 Value ($000) $208 Avg Close $300.59 Range $257.60 - $350.24
Q1 2020
Shares 767 Value ($000) $243 Avg Close $303.47 Range $262.25 - $374.99
Q4 2019
Shares 757 Value ($000) $225 Avg Close $277.46 Range $219.70 - $318.00
Q4 2016
Shares 33 Value ($000) $9 Avg Close $296.43 Range $268.00 - $329.83
Q3 2016
Shares 33 Value ($000) $10 Avg Close $296.18 Range $240.07 - $333.65
Q2 2016
Shares 33 Value ($000) $8 Avg Close $263.54 Range $223.02 - $292.69
Q1 2016
Shares 73 Value ($000) $19 Avg Close $264.15 Range $242.07 - $301.02
Q4 2015
Shares 73 Value ($000) $22 Avg Close $287.35 Range $254.00 - $311.65
Q3 2015
Shares 73 Value ($000) $21 Avg Close $330.23 Range $265.00 - $412.24
Q2 2015
Shares 107 Value ($000) $43 Avg Close $401.33 Range $368.88 - $432.88
Q1 2015
Shares 73 Value ($000) $31 Avg Close $394.14 Range $334.40 - $480.18
Q4 2014
Shares 33 Value ($000) $11 Avg Close $323.51 Range $290.85 - $361.93
Q3 2014
Shares 40 Value ($000) $13 Avg Close $329.72 Range $298.31 - $349.00