NASDAQ · IONS

Ionis Pharmaceuticals, Inc.

Healthcare · Biotechnology

$47.25

Down-$4.19 (-8.15%)

Updated Sep 16, 2026, 1:04 PM

SID Score

4.3/10

Composite research score

Smart Money

59/100

Neutral

Price performance

IONS price history

1M range · 20 trading sessions · Daily adjusted prices

Daily close

View OHLC price history

IONS OHLC price history, latest 40 sessions
Date	Open	High	Low	Close	Volume
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
Sep 11, 2026	$55.94	$56.16	$54.16	$54.21	2.18M
Sep 10, 2026	$55.75	$55.77	$54.91	$55.65	3.06M
Sep 9, 2026	$56.38	$56.9569	$55.695	$56.02	3.04M
Sep 8, 2026	$52.15	$57.4292	$52.15	$56.71	9.18M
Sep 4, 2026	$58.36	$58.96	$57.78	$58.09	2.67M
Sep 3, 2026	$60.42	$60.42	$57.47	$58.13	4.35M
Sep 2, 2026	$60.25	$61.77	$59.775	$61.33	1.85M
Sep 1, 2026	$60.37	$60.99	$59.78	$59.88	1.87M
Aug 31, 2026	$61.065	$61.065	$59.70	$60.36	2.02M
Aug 28, 2026	$60.62	$61.69	$60.35	$61.05	1.85M
Aug 27, 2026	$63.48	$63.48	$62.34	$62.43	1.63M
Aug 26, 2026	$63.50	$63.55	$62.44	$63.36	2.15M
Aug 25, 2026	$62.53	$64.19	$62.19	$63.57	2.44M
Aug 24, 2026	$60.535	$62.07	$59.70	$62.04	2.21M
Aug 21, 2026	$59.64	$60.915	$59.0601	$59.74	2.72M
Aug 20, 2026	$60.025	$60.41	$58.60	$58.76	2.12M
Aug 19, 2026	$60.11	$61.355	$59.61	$60.80	3.14M
Aug 18, 2026	$58.405	$60.19	$58.0237	$59.62	3.19M