BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

FLAGSHIP HARBOR ADVISORS, LLC's Holding History (CIK: 0001691766)

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

Q4 2025
Shares 1,692 Value ($000) $298 Avg Close $163.37 Range $138.00 - $185.17
Q3 2025
Shares 2,299 Value ($000) $322 Avg Close $135.17 Range $121.05 - $150.28
Q2 2025
Shares 2,338 Value ($000) $294 Avg Close $124.60 Range $110.04 - $137.32
Q1 2025
Shares 2,440 Value ($000) $334 Avg Close $142.96 Range $128.51 - $157.09
Q4 2024
Shares 1,553 Value ($000) $237 Avg Close $168.67 Range $145.07 - $195.00
Q3 2024
Shares 1,398 Value ($000) $271 Avg Close $209.21 Range $188.78 - $238.00
Q2 2024
Shares 1,558 Value ($000) $361 Avg Close $217.32 Range $189.44 - $237.54
Q1 2024
Shares 1,378 Value ($000) $297 Avg Close $234.20 Range $211.02 - $268.30
Q4 2023
Shares 1,631 Value ($000) $422 Avg Close $245.62 Range $220.86 - $269.43
Q3 2023
Shares 1,661 Value ($000) $427 Avg Close $267.47 Range $251.85 - $287.60
Q2 2023
Shares 1,531 Value ($000) $436 Avg Close $297.86 Range $273.39 - $319.76
Q1 2023
Shares 1,549 Value ($000) $431 Avg Close $276.70 Range $254.80 - $295.90
Q4 2021
Shares 931 Value ($000) $223 Avg Close $257.12 Range $221.72 - $290.76
Q3 2021
Shares 1,242 Value ($000) $430 Avg Close $327.75 Range $282.64 - $372.12
Q2 2021
Shares 1,242 Value ($000) $430 Avg Close $302.94 Range $257.03 - $468.55
Q1 2021
Shares 1,481 Value ($000) $414 Avg Close $269.69 Range $238.40 - $296.38
Q4 2020
Shares 1,954 Value ($000) $478 Avg Close $259.08 Range $223.25 - $363.92
Q3 2020
Shares 2,467 Value ($000) $699 Avg Close $278.91 Range $261.87 - $312.00
Q2 2020
Shares 2,747 Value ($000) $734 Avg Close $300.59 Range $257.60 - $350.24
Q1 2020
Shares 1,771 Value ($000) $560 Avg Close $303.47 Range $262.25 - $374.99
Q4 2019
Shares 1,800 Value ($000) $534 Avg Close $277.46 Range $219.70 - $318.00
Q3 2019
Shares 1,596 Value ($000) $371 Avg Close $232.85 Range $215.78 - $246.99
Q2 2019
Shares 2,705 Value ($000) $632 Avg Close $230.90 Range $219.20 - $245.35
Q1 2019
Shares 2,949 Value ($000) $697 Avg Close $314.89 Range $216.12 - $344.00
Q4 2018
Shares 2,847 Value ($000) $856 Avg Close $319.14 Range $278.46 - $358.41
Q3 2018
Shares 2,412 Value ($000) $850 Avg Close $344.30 Range $288.13 - $388.67
Q2 2018
Shares 2,404 Value ($000) $697 Avg Close $281.15 Range $249.17 - $310.91
Q1 2018
Shares 2,392 Value ($000) $642 Avg Close $310.41 Range $259.76 - $370.57
Q4 2017
Shares 1,967 Value ($000) $647 Avg Close $320.80 Range $301.81 - $348.84
Q3 2017
Shares 1,916 Value ($000) $629 Avg Close $296.11 Range $269.50 - $330.00
Q2 2017
Shares 1,988 Value ($000) $543 Avg Close $264.42 Range $244.28 - $291.90
Q1 2017
Shares 1,510 Value ($000) $412 Avg Close $282.75 Range $260.50 - $301.42
Q4 2016
Shares 1,514 Value ($000) $423 Avg Close $296.43 Range $268.00 - $329.83