what is the ytd return for biogen

Biogen (BIIB) has returned 21.2% since January 1, 2026.

DATEOPENHIGHLOWCLOSEVOLUME
September 08 2026
$215.45
$217.28
$210.54
$212.50
617,600
September 04 2026
$221.15
$223.82
$219.82
$220.83
465,100
September 03 2026
$225.44
$225.80
$221.23
$224.51
550,700
September 02 2026
$218.20
$225.59
$216.97
$222.67
1,268,200
September 01 2026
$218.11
$219.30
$213.60
$216.04
785,500
August 31 2026
$216.47
$218.89
$213.58
$216.65
831,000
August 28 2026
$221.17
$222.00
$216.78
$218.50
517,400
August 27 2026
$219.39
$222.11
$217.53
$221.50
497,300
August 26 2026
$219.34
$222.00
$218.69
$221.07
647,200
August 25 2026
$218.93
$222.85
$218.00
$220.77
495,400
August 24 2026
$216.40
$218.50
$213.96
$218.12
649,800
August 21 2026
$217.76
$219.12
$215.00
$216.78
722,300
August 20 2026
$217.98
$221.29
$214.16
$214.35
808,600
August 19 2026
$215.33
$222.15
$215.08
$221.56
886,800
August 18 2026
$211.00
$214.07
$210.01
$212.55
694,000
August 17 2026
$208.36
$210.49
$207.62
$209.15
617,100
August 14 2026
$210.01
$210.79
$208.22
$209.83
554,400
August 13 2026
$212.98
$215.61
$208.79
$210.65
860,100
August 12 2026
$203.52
$209.22
$201.00
$208.87
789,000
August 11 2026
$206.63
$207.57
$203.53
$203.89
936,800
August 10 2026
$206.70
$210.02
$206.29
$207.13
706,400
August 07 2026
$207.38
$208.31
$204.16
$207.94
840,500
August 06 2026
$208.75
$209.03
$202.03
$206.28
892,600
August 05 2026
$210.60
$212.18
$205.80
$206.63
873,700
August 04 2026
$200.96
$209.74
$199.93
$208.45
1,205,400