analyst
IO
NASDAQ · IONS
Ionis Pharmaceuticals, Inc.
Healthcare · Biotechnology
$43.52
Down-$0.87 (-1.96%)
Updated Nov 2, 2026, 9:39 AM
SID Score
4.3/10
Composite research score
Smart Money
58/100
Neutral
- Market cap
- 12.57B
- P/E ratio
- -49.61
- Dividend yield
- 0.00%
- 52-week range
- $42.08 – $86.74
- Volume
- 1.52M
- Avg. volume
- 2.43M
Price performance · IONS
IONS price history
1M range · 20 trading sessions · Daily adjusted prices
Prices through Oct 30, 2026
IONS closed at $43.52 after 20 trading sessions, up 0.05% for the selected period.
- Last close
- $43.52
- Period change
- +0.05%
- Period low
- $42.38
- Period high
- $45.40
Daily close
View OHLC price history
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Oct 30, 2026 | $44.69 | $45.115 | $43.27 | $43.52 | 1.52M |
| Oct 29, 2026 | $45.57 | $45.84 | $44.04 | $44.39 | 1.83M |
| Oct 28, 2026 | $43.16 | $44.95 | $43.05 | $44.90 | 1.72M |
| Oct 27, 2026 | $43.23 | $44.10 | $43.02 | $43.96 | 2.38M |
| Oct 26, 2026 | $43.00 | $43.92 | $42.76 | $43.42 | 3.2M |
| Oct 23, 2026 | $43.80 | $43.80 | $42.58 | $42.93 | 3.02M |
| Oct 22, 2026 | $45.02 | $45.15 | $43.41 | $43.91 | 5.01M |
| Oct 21, 2026 | $45.55 | $45.76 | $44.26 | $44.27 | 2.27M |
| Oct 20, 2026 | $44.45 | $45.48 | $44.01 | $45.40 | 2.49M |
| Oct 19, 2026 | $43.33 | $44.54 | $43.00 | $44.38 | 3.1M |
| Oct 16, 2026 | $44.53 | $44.65 | $42.795 | $42.94 | 1.67M |
| Oct 15, 2026 | $43.58 | $44.71 | $43.4219 | $44.12 | 2.48M |
| Oct 14, 2026 | $42.22 | $43.47 | $42.08 | $42.70 | 2.03M |
| Oct 13, 2026 | $43.55 | $43.575 | $42.36 | $42.38 | 2.98M |
| 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 |
Latest IONS news
The latest Smart Investors Daily articles mentioning IONS.
Stock researchCompany · Financials
Company
Market Activity
Research & News
Loading stock research…