biogen (biib) stock prices 2015

The closing price for Biogen (BIIB) in 2015 was $306.35, on December 31, 2015. It was down 10.6% for the year. The latest price is $146.57.

DATE OPEN HIGH LOW CLOSE VOLUME
December 31 2015
$306.10
$309.33
$306.10
$306.35
1,063,800
December 30 2015
$309.98
$310.29
$307.00
$308.34
802,500
December 29 2015
$304.99
$311.65
$304.77
$309.67
1,223,300
December 28 2015
$302.03
$304.98
$301.50
$303.84
848,400
December 24 2015
$300.29
$303.87
$299.50
$302.29
537,100
December 23 2015
$303.79
$303.79
$299.16
$300.19
986,500
December 22 2015
$298.00
$301.84
$296.35
$300.77
1,215,800
December 21 2015
$294.84
$297.86
$293.50
$297.56
1,137,600
December 18 2015
$294.80
$299.82
$293.05
$293.37
2,790,200
December 17 2015
$299.04
$300.87
$296.38
$297.17
1,705,300
December 16 2015
$292.23
$299.68
$290.00
$299.29
2,104,200
December 15 2015
$285.01
$291.69
$282.56
$289.11
1,624,300
December 14 2015
$283.77
$285.00
$276.43
$282.39
1,649,800
December 11 2015
$285.54
$288.59
$282.23
$283.46
2,029,900
December 10 2015
$285.36
$291.22
$284.68
$289.88
1,422,800
December 09 2015
$286.21
$290.09
$283.02
$284.61
1,525,400
December 08 2015
$279.89
$289.76
$278.00
$288.46
1,752,000
December 07 2015
$283.31
$284.98
$279.70
$281.63
1,739,700
December 04 2015
$277.00
$284.75
$276.13
$284.45
1,917,100
December 03 2015
$284.22
$285.58
$274.23
$275.44
1,902,700
December 02 2015
$289.14
$290.39
$284.58
$284.96
1,369,000
December 01 2015
$289.30
$290.59
$285.80
$290.04
1,684,300
November 30 2015
$293.16
$294.26
$285.10
$286.86
1,679,300
November 27 2015
$292.97
$294.10
$290.78
$293.21
465,800
November 25 2015
$290.00
$292.86
$289.29
$292.30
1,140,100
Daily pricing data for Biogen dates back to 9/17/1991, and may be incomplete.