BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

FIRST INTERSTATE BANK's Holding History (CIK: 0001125727)

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

Q4 2019
Shares 241 Value ($000) $72 Avg Close $277.46 Range $219.70 - $318.00
Q3 2019
Shares 684 Value ($000) $159 Avg Close $232.85 Range $215.78 - $246.99
Q2 2019
Shares 845 Value ($000) $197 Avg Close $230.90 Range $219.20 - $245.35
Q1 2019
Shares 983 Value ($000) $232 Avg Close $314.89 Range $216.12 - $344.00
Q4 2018
Shares 836 Value ($000) $252 Avg Close $319.14 Range $278.46 - $358.41
Q3 2018
Shares 836 Value ($000) $295 Avg Close $344.30 Range $288.13 - $388.67
Q2 2018
Shares 885 Value ($000) $257 Avg Close $281.15 Range $249.17 - $310.91
Q1 2018
Shares 417 Value ($000) $114 Avg Close $310.41 Range $259.76 - $370.57
Q4 2017
Shares 427 Value ($000) $136 Avg Close $320.80 Range $301.81 - $348.84
Q3 2017
Shares 660 Value ($000) $207 Avg Close $296.11 Range $269.50 - $330.00
Q2 2017
Shares 1,087 Value ($000) $295 Avg Close $264.42 Range $244.28 - $291.90
Q1 2017
Shares 887 Value ($000) $243 Avg Close $282.75 Range $260.50 - $301.42
Q4 2016
Shares 387 Value ($000) $110 Avg Close $296.43 Range $268.00 - $329.83
Q3 2016
Shares 387 Value ($000) $121 Avg Close $296.18 Range $240.07 - $333.65
Q2 2016
Shares 379 Value ($000) $92 Avg Close $263.54 Range $223.02 - $292.69
Q1 2016
Shares 379 Value ($000) $99 Avg Close $264.15 Range $242.07 - $301.02
Q4 2015
Shares 379 Value ($000) $116 Avg Close $287.35 Range $254.00 - $311.65
Q3 2015
Shares 1,190 Value ($000) $347 Avg Close $330.23 Range $265.00 - $412.24