Biogen

BIIB · NASDAQ · USD

$222.82Change from previous close: −1.35%Absolute change: −$3.06

Close · October 1, 2026

Price history

+44.48% over the period

1 year: from $154.22 (October 1, 2025) to $222.82 (October 1, 2026), +44.48%.

Show chart data

Daily closing prices, adjusted for splits. Long periods: one close per week or month.

DateClose
October 1, 2026$222.82
September 30, 2026$225.88
September 29, 2026$227.07
September 28, 2026$228.69
September 25, 2026$227.60
September 24, 2026$226.36
September 23, 2026$227.53
September 22, 2026$225.36
September 21, 2026$219.07
September 18, 2026$215.50
September 17, 2026$219.05
September 16, 2026$216.01
September 15, 2026$216.17
September 14, 2026$217.36
September 11, 2026$217.15
September 10, 2026$215.43
September 9, 2026$210.73
September 8, 2026$212.50
September 4, 2026$220.83
September 3, 2026$224.51
September 2, 2026$222.67
September 1, 2026$216.04
August 31, 2026$216.65
August 28, 2026$218.50
August 27, 2026$221.50
August 26, 2026$221.07
August 25, 2026$220.77
August 24, 2026$218.12
August 21, 2026$216.78
August 20, 2026$214.35
August 19, 2026$221.56
August 18, 2026$212.55
August 17, 2026$209.15
August 14, 2026$209.83
August 13, 2026$210.65
August 12, 2026$208.87
August 11, 2026$203.89
August 10, 2026$207.13
August 7, 2026$207.94
August 6, 2026$206.28
August 5, 2026$206.63
August 4, 2026$208.45
August 3, 2026$201.82
July 31, 2026$202.95
July 30, 2026$207.93
July 29, 2026$209.23
July 28, 2026$205.61
July 27, 2026$200.14
July 24, 2026$202.19
July 23, 2026$200.62
July 22, 2026$197.74
July 21, 2026$203.16
July 20, 2026$199.95
July 17, 2026$205.99
July 16, 2026$208.92
July 15, 2026$197.24
July 14, 2026$191.95
July 13, 2026$209.03
July 10, 2026$199.15
July 9, 2026$198.91
July 8, 2026$200.36
July 7, 2026$205.70
July 6, 2026$208.46
July 2, 2026$216.12
July 1, 2026$209.74
June 30, 2026$216.06
June 29, 2026$216.63
June 26, 2026$216.03
June 25, 2026$201.96
June 24, 2026$199.59
June 23, 2026$197.19
June 22, 2026$199.71
June 18, 2026$196.58
June 17, 2026$198.67
June 16, 2026$195.61
June 15, 2026$198.64
June 12, 2026$200.05
June 11, 2026$199.96
June 10, 2026$194.24
June 9, 2026$199.10
June 8, 2026$192.62
June 5, 2026$195.34
June 4, 2026$196.45
June 3, 2026$195.96
June 2, 2026$188.83
June 1, 2026$192.23
May 29, 2026$196.00
May 28, 2026$196.39
May 27, 2026$196.97
May 26, 2026$193.08
May 22, 2026$193.76
May 21, 2026$189.47
May 20, 2026$187.80
May 19, 2026$190.56
May 18, 2026$191.91
May 15, 2026$192.95
May 14, 2026$191.37
May 13, 2026$204.53
May 12, 2026$199.36
May 11, 2026$197.95
May 8, 2026$193.45
May 7, 2026$191.38
May 6, 2026$190.68
May 5, 2026$189.13
May 4, 2026$187.21
May 1, 2026$187.06
April 30, 2026$189.28
April 29, 2026$194.38
April 28, 2026$183.38
April 27, 2026$180.67
April 24, 2026$184.38
April 23, 2026$187.88
April 22, 2026$190.07
April 21, 2026$185.95
April 20, 2026$183.34
April 17, 2026$177.35
April 16, 2026$176.02
April 15, 2026$180.54
April 14, 2026$178.96
April 13, 2026$176.37
April 10, 2026$172.97
April 9, 2026$177.11
April 8, 2026$179.90
April 7, 2026$175.61
April 6, 2026$172.34
April 2, 2026$177.34
April 1, 2026$183.78
March 31, 2026$183.33
March 30, 2026$187.57
March 27, 2026$183.84
March 26, 2026$191.06
March 25, 2026$189.18
March 24, 2026$183.94
March 23, 2026$183.64
March 20, 2026$181.46
March 19, 2026$183.41
March 18, 2026$182.31
March 17, 2026$185.29
March 16, 2026$183.26
March 13, 2026$181.55
March 12, 2026$184.90
March 11, 2026$190.48
March 10, 2026$188.41
March 9, 2026$188.24
March 6, 2026$184.87
March 5, 2026$188.08
March 4, 2026$189.94
March 3, 2026$184.02
March 2, 2026$188.05
February 27, 2026$191.82
February 26, 2026$188.02
February 25, 2026$190.73
February 24, 2026$195.13
February 23, 2026$196.34
February 20, 2026$192.03
February 19, 2026$192.08
February 18, 2026$194.13
February 17, 2026$195.62
February 13, 2026$196.52
February 12, 2026$195.50
February 11, 2026$191.20
February 10, 2026$188.99
February 9, 2026$193.81
February 6, 2026$201.18
February 5, 2026$185.36
February 4, 2026$185.45
February 3, 2026$176.76
February 2, 2026$179.09
January 30, 2026$179.89
January 29, 2026$176.18
January 28, 2026$174.83
January 27, 2026$174.12
January 26, 2026$173.12
January 23, 2026$171.59
January 22, 2026$173.80
January 21, 2026$172.62
January 20, 2026$165.38
January 16, 2026$164.42
January 15, 2026$168.57
January 14, 2026$169.31
January 13, 2026$178.30
January 12, 2026$185.63
January 9, 2026$187.62
January 8, 2026$186.00
January 7, 2026$186.91
January 6, 2026$182.61
January 5, 2026$174.63
January 2, 2026$177.82
December 31, 2025$175.99
December 30, 2025$176.40
December 29, 2025$176.83
December 26, 2025$177.08
December 24, 2025$176.33
December 23, 2025$174.82
December 22, 2025$174.70
December 19, 2025$174.80
December 18, 2025$169.91
December 17, 2025$172.10
December 16, 2025$171.50
December 15, 2025$175.74
December 12, 2025$174.10
December 11, 2025$172.50
December 10, 2025$177.55
December 9, 2025$175.84
December 8, 2025$180.44
December 5, 2025$181.30
December 4, 2025$181.98
December 3, 2025$180.75
December 2, 2025$180.18
December 1, 2025$177.78
November 28, 2025$182.09
November 26, 2025$181.94
November 25, 2025$181.96
November 24, 2025$176.82
November 21, 2025$175.30
November 20, 2025$168.18
November 19, 2025$167.93
November 18, 2025$168.83
November 17, 2025$164.68
November 14, 2025$167.55
November 13, 2025$164.73
November 12, 2025$161.48
November 11, 2025$159.56
November 10, 2025$156.26
November 7, 2025$155.51
November 6, 2025$156.74
November 5, 2025$153.43
November 4, 2025$149.33
November 3, 2025$151.44
October 31, 2025$154.27
October 30, 2025$149.61
October 29, 2025$147.86
October 28, 2025$149.13
October 27, 2025$150.43
October 24, 2025$149.89
October 23, 2025$150.08
October 22, 2025$147.72
October 21, 2025$146.22
October 20, 2025$146.63
October 17, 2025$143.00
October 16, 2025$142.26
October 15, 2025$143.66
October 14, 2025$145.31
October 13, 2025$144.69
October 10, 2025$146.57
October 9, 2025$149.61
October 8, 2025$150.97
October 7, 2025$152.21
October 6, 2025$154.05
October 3, 2025$159.88
October 2, 2025$155.25
October 1, 2025$154.22

At a glance

  • The company

    Biogen Inc. discovers, develops, manufactures, and delivers therapies in the United States, Europe, Germany, Asia, and internationally.

  • Next event

    Quarterly results · October 28, 2026

Where the price stands

52-wk low$138.00
52-wk high$230.49

−3.33% from the high

Performance

1 month
+3.14%
Year to date
+26.61%
1 year
+44.48%

Analysts · 31 analysts

Average target$238.18+6.89% vs. price

Buy 22 · Hold 12 · Sell 1 · Buy

Numbers and valuation

Full valuation
Market cap
$32.92B
P/E
39.6
EPS
$5.62
Volume
1.75M
Dividend yield
Data not available

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