NASDAQ · IONS

Ionis Pharmaceuticals, Inc.

Healthcare · Biotechnology

$43.67

Down-$1.61 (-3.56%)

Updated Oct 13, 2026, 11:23 AM

SID Score

4.3/10

Composite research score

Smart Money

58/100

Neutral

Price performance · IONS

IONS price history

1M range · 21 trading sessions · Daily adjusted prices

Prices through Oct 12, 2026

Daily close

View OHLC price history

IONS OHLC price history, latest 40 sessions
Date	Open	High	Low	Close	Volume
Oct 12, 2026	$45.37	$45.455	$43.62	$43.67	1.95M
Oct 9, 2026	$43.21	$45.72	$43.12	$45.28	4.86M
Oct 8, 2026	$43.76	$44.19	$42.79	$43.30	3.35M
Oct 7, 2026	$43.75	$44.26	$43.53	$44.16	2.94M
Oct 6, 2026	$44.185	$44.665	$43.17	$44.00	2.19M
Oct 5, 2026	$43.75	$43.96	$42.63	$43.50	2.87M
Oct 2, 2026	$44.17	$44.17	$43.24	$43.54	2.31M
Oct 1, 2026	$44.63	$45.95	$43.963	$44.00	2.03M
Sep 30, 2026	$46.07	$46.245	$44.60	$44.65	2.63M
Sep 29, 2026	$45.53	$46.46	$45.39	$45.89	3.89M
Sep 28, 2026	$44.56	$46.945	$44.06	$45.57	3.74M
Sep 25, 2026	$44.245	$45.28	$43.62	$44.50	6.2M
Sep 24, 2026	$43.77	$44.60	$43.25	$43.81	6.45M
Sep 23, 2026	$46.23	$46.41	$43.0065	$43.93	3.54M
Sep 22, 2026	$44.96	$46.13	$44.44	$45.75	4.24M
Sep 21, 2026	$44.945	$45.25	$44.20	$44.90	4.52M
Sep 18, 2026	$46.75	$46.75	$44.27	$44.44	7.37M
Sep 17, 2026	$46.68	$47.42	$45.75	$46.75	4.08M
Sep 16, 2026	$47.38	$47.59	$44.66	$44.84	7.96M
Sep 15, 2026	$51.37	$51.37	$46.715	$47.25	6.81M
Sep 14, 2026	$54.88	$55.50	$51.31	$51.44	5.97M