BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

PRIVATE TRUST CO NA's Holding History (CIK: 0001277557)

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

Q4 2025
Shares 175 Value ($000) $31 Avg Close $163.37 Range $138.00 - $185.17
Q3 2025
Shares 155 Value ($000) $22 Avg Close $135.17 Range $121.05 - $150.28
Q2 2025
Shares 166 Value ($000) $21 Avg Close $124.60 Range $110.04 - $137.32
Q1 2025
Shares 229 Value ($000) $31 Avg Close $142.96 Range $128.51 - $157.09
Q4 2024
Shares 131 Value ($000) $20 Avg Close $168.67 Range $145.07 - $195.00
Q3 2024
Shares 251 Value ($000) $49 Avg Close $209.21 Range $188.78 - $238.00
Q2 2024
Shares 477 Value ($000) $111 Avg Close $217.32 Range $189.44 - $237.54
Q1 2024
Shares 958 Value ($000) $207 Avg Close $234.20 Range $211.02 - $268.30
Q4 2023
Shares 559 Value ($000) $145 Avg Close $245.62 Range $220.86 - $269.43
Q3 2023
Shares 594 Value ($000) $153 Avg Close $267.47 Range $251.85 - $287.60
Q2 2023
Shares 559 Value ($000) $159 Avg Close $297.86 Range $273.39 - $319.76
Q1 2023
Shares 523 Value ($000) $145 Avg Close $276.70 Range $254.80 - $295.90
Q4 2022
Shares 461 Value ($000) $0 Avg Close $282.44 Range $250.31 - $311.88
Q3 2022
Shares 476 Value ($000) $127 Avg Close $212.38 Range $193.65 - $283.44
Q2 2022
Shares 483 Value ($000) $99 Avg Close $204.43 Range $187.16 - $225.50
Q4 2021
Shares 1,232 Value ($000) $296 Avg Close $257.12 Range $221.72 - $290.76
Q3 2021
Shares 1,323 Value ($000) $374 Avg Close $327.75 Range $282.64 - $372.12
Q2 2021
Shares 1,358 Value ($000) $470 Avg Close $302.94 Range $257.03 - $468.55
Q1 2021
Shares 1,660 Value ($000) $464 Avg Close $269.69 Range $238.40 - $296.38
Q4 2020
Shares 1,701 Value ($000) $416 Avg Close $259.08 Range $223.25 - $363.92
Q3 2020
Shares 1,910 Value ($000) $541 Avg Close $278.91 Range $261.87 - $312.00
Q1 2020
Shares 664 Value ($000) $210 Avg Close $303.47 Range $262.25 - $374.99
Q1 2019
Shares 1,584 Value ($000) $374 Avg Close $314.89 Range $216.12 - $344.00
Q4 2018
Shares 1,453 Value ($000) $437 Avg Close $319.14 Range $278.46 - $358.41
Q3 2018
Shares 1,514 Value ($000) $534 Avg Close $344.30 Range $288.13 - $388.67
Q2 2018
Shares 1,462 Value ($000) $424 Avg Close $281.15 Range $249.17 - $310.91
Q1 2018
Shares 1,405 Value ($000) $384 Avg Close $310.41 Range $259.76 - $370.57
Q4 2017
Shares 1,299 Value ($000) $413 Avg Close $320.80 Range $301.81 - $348.84
Q3 2017
Shares 795 Value ($000) $248 Avg Close $296.11 Range $269.50 - $330.00
Q2 2017
Shares 764 Value ($000) $207 Avg Close $264.42 Range $244.28 - $291.90
Q3 2014
Shares 497 Value ($000) $164 Avg Close $329.72 Range $298.31 - $349.00
Q2 2014
Shares 474 Value ($000) $149 Avg Close $300.97 Range $272.02 - $322.25
Q1 2014
Shares 458 Value ($000) $140 Avg Close $317.43 Range $270.62 - $358.89
Q4 2013
Shares 388 Value ($000) $108 Avg Close $258.65 Range $221.07 - $298.82
Q3 2013
Shares 389 Value ($000) $94 Avg Close $223.81 Range $203.55 - $248.95
Q2 2013
Shares 380 Value ($000) $82 Avg Close $213.68 Range $191.80 - $242.64
Q1 2013
Shares 380 Value ($000) $82 Avg Close $161.63 Range $139.72 - $192.92