BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

PRENTISS SMITH & CO INC's Holding History (CIK: 0001134687)

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

Q3 2018
Shares 385 Value ($000) $136 Avg Close $344.30 Range $288.13 - $388.67
Q2 2018
Shares 385 Value ($000) $112 Avg Close $281.15 Range $249.17 - $310.91
Q1 2018
Shares 385 Value ($000) $105 Avg Close $310.41 Range $259.76 - $370.57
Q4 2017
Shares 385 Value ($000) $123 Avg Close $320.80 Range $301.81 - $348.84
Q3 2017
Shares 385 Value ($000) $121 Avg Close $296.11 Range $269.50 - $330.00
Q2 2017
Shares 385 Value ($000) $104 Avg Close $264.42 Range $244.28 - $291.90
Q1 2017
Shares 335 Value ($000) $92 Avg Close $282.75 Range $260.50 - $301.42
Q4 2016
Shares 335 Value ($000) $95 Avg Close $296.43 Range $268.00 - $329.83
Q3 2016
Shares 335 Value ($000) $105 Avg Close $296.18 Range $240.07 - $333.65
Q2 2016
Shares 335 Value ($000) $81 Avg Close $263.54 Range $223.02 - $292.69
Q1 2016
Shares 335 Value ($000) $87 Avg Close $264.15 Range $242.07 - $301.02
Q4 2015
Shares 335 Value ($000) $103 Avg Close $287.35 Range $254.00 - $311.65
Q3 2015
Shares 335 Value ($000) $98 Avg Close $330.23 Range $265.00 - $412.24
Q2 2015
Shares 335 Value ($000) $135 Avg Close $401.33 Range $368.88 - $432.88
Q1 2015
Shares 335 Value ($000) $141 Avg Close $394.14 Range $334.40 - $480.18
Q4 2014
Shares 335 Value ($000) $114 Avg Close $323.51 Range $290.85 - $361.93