Ionis Pharmaceuticals

IONSNasdaq United States Health Care Biotechnology: Pharmaceutical Preparations

Market cap

$9.399 B

$56.56 +3.80%

Close of 7 Aug 2026

Revenue

$943.7M

#1563 by revenue

Earnings

-$381.4M

Loss-making

Shares outstanding

166,184,322

Latest filing cover page

P/E ratio

—

Cap ÷ net income

Biotechnology: Pharmaceutical Preparations — ranked by market cap

All 501 →

#38CytokineticsCYTK$9.55B
#39Protagonist TherapeuticsPTGX$9.44B
#40Ionis PharmaceuticalsIONS$9.40B
#41Spyre TherapeuticsSYRE$9.25B
#42Crinetics PharmaceuticalsCRNX$8.92B

Where these numbers come from

Share counts and financials for Ionis Pharmaceuticals are taken from its own SEC filings via EDGAR — public record, not an estimate. Market cap is shares outstanding multiplied by the latest close. Last updated 9 Aug 2026. Read the methodology.