Name: Ionis Pharmaceuticals, Inc. (IONS) P/E Ratio History
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PE Ratio

N/A

September 18, 2026

Chart

IONS Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
PE Ratio	Sep 18, 26	-	–	–	–	–	–	–	–
Price	Sep 18, 26	$44.44	-4.9%	-25.5%	-40.0%	-43.8%	-28.0%	+3.5%	+19.4%
TTM Revenue	Jun 30, 26	$873.76M	-17.4%	–	-17.4%	–	-7.5%	+38.5%	+27.1%
TTM EPS	Jun 30, 26	-$3.47	-65.2%	–	-65.2%	–	-87.5%	-60.5%	+11.5%
	Sep 18, 26	16.79	-5.0%	-25.5%	-32.6%	-36.4%	+7.9%	+17.0%	+86.3%
	Sep 18, 26	8.45	-5.0%	-25.5%	-27.0%	-38.3%	-18.8%	-13.2%	+10.8%
	Sep 18, 26	$7.52B	-4.9%	-25.1%	-41.6%	-41.5%	-20.9%	+30.3%	+67.3%
	Sep 18, 26	-13.24	+4.9%	+25.1%	+66.3%	+63.0%	+66.0%	-2.8%	+39.5%
Market Cap	Sep 18, 26	$7B	-4.9%	-25.5%	-39.7%	-42.8%	-24.9%	+20.2%	+40.7%

IONS PE Ratio Highs Comparison
Period	High	Date	Current
1M	N/A	N/A	N/A
3M	N/A	N/A	N/A
6M	N/A	N/A	N/A
1Y	N/A	N/A	N/A
3Y	N/A	N/A	N/A
5Y	N/A	N/A	N/A
All	1,090.10	Mar 13, 18	N/A

IONS PE Ratio Lows Comparison
Period	Low	Date	Current
1M	N/A	N/A	N/A
3M	N/A	N/A	N/A
6M	N/A	N/A	N/A
1Y	N/A	N/A	N/A
3Y	N/A	N/A	N/A
5Y	N/A	N/A	N/A
All	6.61	Feb 11, 10	N/A

Date	Value	Change
Dec 31, 2019	30.27	+3.5%
Dec 31, 2018	29.25	-97.1%

Date	Value	Change
Dec 31, 2017	996.04	>+9,900.0%
Dec 31, 2009	8.48	-

P/E =

IONS Official Website www.ionis.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/874015/000087401526000115/0000874015-26-000115-index.htm
IONS Profile on Yahoo Finance finance.yahoo.com/quote/IONS
IONS Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/ions