BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Dorsey & Whitney Trust CO LLC's Holding History (CIK: 0001384042)

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

Q4 2025
Shares 1,506 Value ($000) $265 Avg Close $163.37 Range $138.00 - $185.17
Q1 2020
Shares 639 Value ($000) $202 Avg Close $303.47 Range $262.25 - $374.99
Q3 2018
Shares 617 Value ($000) $218 Avg Close $344.30 Range $288.13 - $388.67
Q4 2016
Shares 943 Value ($000) $268 Avg Close $296.43 Range $268.00 - $329.83
Q3 2016
Shares 1,056 Value ($000) $330 Avg Close $296.18 Range $240.07 - $333.65
Q1 2016
Shares 1,313 Value ($000) $341 Avg Close $264.15 Range $242.07 - $301.02
Q4 2015
Shares 1,543 Value ($000) $472 Avg Close $287.35 Range $254.00 - $311.65
Q3 2015
Shares 1,447 Value ($000) $422 Avg Close $330.23 Range $265.00 - $412.24
Q2 2015
Shares 1,404 Value ($000) $566 Avg Close $401.33 Range $368.88 - $432.88
Q1 2015
Shares 1,361 Value ($000) $574 Avg Close $394.14 Range $334.40 - $480.18
Q4 2014
Shares 1,546 Value ($000) $524 Avg Close $323.51 Range $290.85 - $361.93
Q3 2014
Shares 1,237 Value ($000) $410 Avg Close $329.72 Range $298.31 - $349.00
Q2 2014
Shares 1,104 Value ($000) $348 Avg Close $300.97 Range $272.02 - $322.25
Q1 2014
Shares 1,135 Value ($000) $348 Avg Close $317.43 Range $270.62 - $358.89
Q4 2013
Shares 1,261 Value ($000) $352 Avg Close $258.65 Range $221.07 - $298.82
Q3 2013
Shares 1,043 Value ($000) $251 Avg Close $223.81 Range $203.55 - $248.95
Q2 2013
Shares 1,135 Value ($000) $245 Avg Close $213.68 Range $191.80 - $242.64