Ionis Pharmaceuticals, Inc.
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Ionis Pharmaceuticals, Inc. (IONS)

Price-to-Earnings Ratio History

P/E Ratio (TTM)

-28.73

Financial Fundamentals

IONS • Quarterly Data • 5Y View

Quarterly P/E

QuarterP/E Ratio
1996-09-30-17.53
1996-12-31-14.06
1997-03-31-11.36
1997-06-30-10.11
1997-09-30-55.66
1997-12-31-7.51
1998-03-31-8.87
1998-06-30-6.58
1998-09-30-71.09
1998-12-31-4.83
1999-03-31-4.89
1999-06-30-4.32
1999-09-30-6.50
1999-12-31-2.56
2000-03-31-6.39
2000-06-30-9.29
2000-09-30-20.54
2000-12-31-6.64
2001-03-31-4.06
2001-06-30-5.43
2001-09-30-16.35
2001-12-31-18.49
2002-03-31-12.84
2002-06-30-5.22
2002-09-30-7.70
2002-12-31-5.68
2003-03-31-2.03
2003-06-30-3.18
2003-09-30-4.07
2003-12-31-3.53
2004-03-31-4.13
2004-06-30-3.12
2004-09-30-2.15
2004-12-31-1.48
2005-03-31-1.86
2005-06-30-2.88
2005-09-30-5.26
2005-12-31-11.91
2006-03-31-9.39
2006-06-30-50.76
2006-09-30-11.22
2006-12-31-15.44
2007-03-31-14.48
2007-06-30-18.62
2007-09-30-3.05
2007-12-31-49.22
2008-03-31-74.74
2008-06-30-146.24
2008-09-30211.12
2008-12-31-39.70
2009-03-311.96
2009-06-30-139.83
2009-09-30-51.74
2009-12-31-39.29
2010-03-31-28.03
2010-06-30-9.57
2010-09-30-16.15
2010-12-31-18.07
2011-03-31-11.30
2011-06-30-12.72
2011-09-30-6.28
2011-12-31-9.01
2012-03-31-9.14
2012-06-30-250.00
2012-09-30-9.30
2012-12-31-100.38
2013-03-31-259.45
2013-06-30-76.29
2013-09-30-44.69
2013-12-31-47.43
2014-03-31-40.01
2014-06-30-86.13
2014-09-30-42.21
2014-12-3159.37
2015-03-31-113.70
2015-06-3047.96
2015-09-30-33.68
2015-12-31-25.80
2016-03-31-19.47
2016-06-30-12.39
2016-09-30152.67
2016-12-3156.94
2017-03-31143.57
2017-06-30-140.68
2017-09-30-1625.00
2017-12-31628.75
2018-03-31-941.88
2018-06-30-33.60
2018-09-30-376.96
2018-12-315.83
2019-03-3132.27
2019-06-30-2281.69
2019-09-3078.83
2019-12-3111.53
2020-03-31-33.77
2020-06-30-64.09
2020-09-30-53.92
2020-12-31-5.82
2021-03-31-17.56
2021-06-30-17.50
2021-09-30-14.46
2021-12-314.78
2022-03-31-20.13
2022-06-30-12.51
2022-09-30-33.51
2022-12-31-25.52
2023-03-31-10.27
2023-06-30-17.39
2023-09-30-11.01
2023-12-31-196.70
2024-03-31-11.21
2024-06-30-26.17
2024-09-30-10.54
2024-12-31-13.24
2025-03-31-8.11
2025-06-3012.66
2025-09-30-20.44
2025-12-31-14.03
2026-03-31-33.52
2026-06-30-28.73

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