Nasdaq
IONS
Ionis Pharmaceuticals, Inc.
- Health Care
- 1 day
- +0.6%
- 1 month
- −36.9%
- 1 year
- +33.9%
$54.49 · Mkt cap $9.06B
At the 6 Aug 2026 close
Nasdaq
Ionis Pharmaceuticals, Inc.
$54.49 · Mkt cap $9.06B
At the 6 Aug 2026 close
Ionis Pharmaceuticals, Inc. trades under the ticker IONS on Nasdaq, in the Health Care sector (Biotechnology: Pharmaceutical Preparations). Its market capitalisation is $9.06B. The last closing price was $54.49, on 6 Aug 2026. No price-to-earnings ratio is shown, because it did not report positive earnings in its last annual filing. Over the past year the share price is +33.9%, and −36.9% over the past month. Returns are price returns and exclude dividends.
This page exists because IONS is one of the shares What A Share can show you. It is not a recommendation, and its appearance here says nothing about whether the company is worth owning.