Biogen Inc.
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Biogen Inc. (BIIB)

Price-to-Earnings Ratio History

P/E Ratio (TTM)

-133.33

Financial Fundamentals

BIIBQuarterly Data • 5Y View

Quarterly P/E

QuarterP/E Ratio
1996-03-31-203.13
1996-06-30-84.82
1996-09-3018.75
1996-12-31102.20
1997-03-3149.61
1997-06-3043.30
1997-09-3074.78
1997-12-3139.58
1998-03-3158.22
1998-06-3028.05
1998-09-3022.84
1998-12-3141.34
1999-03-3141.43
1999-06-3066.43
1999-09-3057.34
1999-12-3153.25
2000-03-3130.43
2000-06-3060.50
2000-09-3094.93
2000-12-3198.00
2001-03-3154.07
2001-06-3091.84
2001-09-3072.05
2001-12-31114.12
2002-03-3188.58
2002-06-3073.27
2002-09-3095.90
2002-12-3178.07
2003-03-3180.97
2003-06-30115.09
2003-09-3071.33
2003-12-31-2.91
2004-03-31-112.49
2004-06-306451.69
2004-09-30139.44
2004-12-31194.61
2005-03-3166.66
2005-06-3083.15
2005-09-30122.37
2005-12-3169.20
2006-03-3132.57
2006-06-30-23.24
2006-09-3024.08
2006-12-3138.55
2007-03-3128.67
2007-06-3024.48
2007-09-3041.04
2007-12-3120.95
2008-03-3127.95
2008-06-3019.66
2008-09-3017.72
2008-12-3116.58
2009-03-3115.45
2009-06-3022.81
2009-09-3013.14
2009-12-3111.81
2010-03-3117.85
2010-06-3010.51
2010-09-3013.24
2010-12-3116.85
2011-03-3115.10
2011-06-3022.49
2011-09-3016.08
2011-12-3122.26
2012-03-3124.95
2012-06-3022.30
2012-09-3022.25
2012-12-3129.64
2013-03-3126.75
2013-06-3026.36
2013-09-3029.26
2013-12-3136.11
2014-03-3137.73
2014-06-3026.11
2014-09-3022.80
2014-12-3122.62
2015-03-3130.16
2015-06-3025.62
2015-09-3017.54
2015-12-3120.30
2016-03-3114.67
2016-06-3012.62
2016-09-3016.58
2016-12-3123.65
2017-03-3119.71
2017-06-3016.66
2017-09-3013.50
2017-12-31-56.64
2018-03-3112.34
2018-06-3017.34
2018-09-3012.29
2018-12-3115.88
2019-03-318.11
2019-06-307.50
2019-09-306.93
2019-12-319.16
2020-03-319.77
2020-06-306.97
2020-09-3015.86
2020-12-3126.29
2021-03-3125.90
2021-06-3028.89
2021-09-3031.81
2021-12-3123.93
2022-03-3125.49
2022-06-307.03
2022-09-308.49
2022-12-3118.13
2023-03-3125.87
2023-06-3017.42
2023-09-30-136.62
2023-12-3137.54
2024-03-3119.82
2024-06-3014.46
2024-09-3018.17
2024-12-3120.89
2025-03-3120.75
2025-06-307.22
2025-09-3011.01
2025-12-31-133.33

* P/E ratios are calculated using trailing twelve-month (TTM) earnings.