Ionis Pharmaceuticals

IONSNasdaq United States Health Care Biotechnology: Pharmaceutical Preparations

Market cap

$6.431 B

$38.70 -3.61%

Close of 6 Nov 2026

As of 6 Nov 2026, Ionis Pharmaceuticals (IONS) has a market capitalization of $6.43B. 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

#1549 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 498 →

#45Axsome TherapeuticsAXSM$6.80B
#46Amneal PharmaceuticalsAMRX$6.78B
#47Ionis PharmaceuticalsIONS$6.43B
#48Mirum PharmaceuticalsMIRM$6.11B
#49Ligand PharmaceuticalsLGND$5.95B

Insiders buying

All insider buying →

One open-market purchase by officers and directors of Ionis Pharmaceuticals, worth $1.06M. Grants and option exercises are excluded.

Michael R. Hayden$1.06M
20,000 shares at $52.94 on 30 Jul 2026 · filed 31 Jul 2026

What if Ionis Pharmaceuticals were worth as much as…

Open the what-if tool →

Gold $28.2T

$169,912.98

Per share 4,391× higher

Bitcoin $1.53T

$9,193.70

Per share 238× higher

Apple $5.02T

$30,182.04

Per share 780× higher

Or at a round number

$10.0B $20.0B $50.0B $100.0B

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. Read the methodology.