Ionis Pharmaceuticals
IONSNasdaq United StatesHealth CareBiotechnology: Pharmaceutical Preparations
Market cap
$7.312 B
$44.00 +1.15%
Close of 7 Oct 2026
As of 7 Oct 2026, Ionis Pharmaceuticals (IONS) has a market capitalization of $7.31B. Market cap measures the value of outstanding equity at market prices; company totals combine applicable share classes. Prices and market caps come from Nasdaq, with financial fundamentals from SEC filings. See sources and calculation details.
Revenue
$943.7M
#1558 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 499 →- #39Praxis Precision MedicinesPRAX$7.82B
- #40AbivaxABVX$7.70B
- #41Ionis PharmaceuticalsIONS$7.31B
- #42Amneal PharmaceuticalsAMRX$7.07B
- #43Spyre TherapeuticsSYRE$7.06B
What if Ionis Pharmaceuticals were worth as much as…
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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 8 Oct 2026. Read the methodology.