analyst
IO
NASDAQ · IONS
Ionis Pharmaceuticals, Inc.
Healthcare · Biotechnology
$44.90
Up+$0.46 (+1.04%)
Updated Sep 22, 2026, 5:39 AM
SID Score
4.0/10
Composite research score
Smart Money
59/100
Neutral
- Market cap
- 12.57B
- P/E ratio
- -49.61
- Dividend yield
- 0.00%
- 52-week range
- $44.27 – $86.74
- Volume
- 4.52M
- Avg. volume
- 2.43M
Price performance
IONS price history
1M range · 20 trading sessions · Daily adjusted prices
IONS closed at $44.90 after 20 trading sessions, down 27.63% for the selected period.
- Last close
- $44.90
- Period change
- -27.63%
- Period low
- $44.44
- Period high
- $63.57
Daily close
View OHLC price history
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| 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 |
| 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 |
Latest IONS news
The latest Smart Investors Daily articles mentioning IONS.
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