IONS
Ionis Pharmaceut (IONS)
NASDAQ
$60.72+$0.98 (+1.63%)
Price as of Aug 21, 2026 7:58 PM EDT
  • $9.9B
    Market Cap
  • 39.94%
    1-Year Change
  • Biotechnology
    Industry
  • 1 Month
    +11.89%
    Low Price$51.77
    High Price$60.80
  • 3 Months
    -21.17%
    Low Price$51.77
    High Price$86.33
  • 1 Year
    +39.94%
    Low Price$41.82
    High Price$86.50
Date
Open
High
Low
Close
Change (%)
Volume
08/21/2026
59.64
60.92
59.06
59.74
+1.67%
2,723,906
08/20/2026
60.03
60.41
58.60
58.76
-3.36%
2,124,845
08/19/2026
60.11
61.36
59.61
60.80
+1.98%
3,137,536
08/18/2026
58.41
60.19
58.02
59.62
+1.69%
3,192,621
08/17/2026
57.11
58.74
56.41
58.63
+2.43%
2,000,183
08/14/2026
55.16
57.24
55.16
57.24
+2.45%
1,353,738
08/13/2026
56.50
56.81
55.56
55.87
-1.17%
1,220,460
08/12/2026
55.01
57.07
54.91
56.53
+2.00%
2,011,029
08/11/2026
56.79
57.16
55.37
55.42
-2.67%
2,407,129
08/10/2026
56.10
57.66
56.10
56.94
+0.67%
2,399,798
08/07/2026
54.73
56.60
54.40
56.56
+3.80%
2,009,277
08/06/2026
54.59
55.42
54.02
54.49
+0.55%
2,592,318
08/05/2026
55.17
55.36
53.58
54.19
-1.60%
2,122,261
08/04/2026
54.85
55.22
53.87
55.07
+1.06%
2,688,217
08/03/2026
52.66
54.54
52.17
54.49
+5.25%
3,205,252
07/31/2026
53.33
53.33
51.28
51.77
-2.83%
2,568,027
07/30/2026
53.92
54.04
52.65
53.28
-1.41%
2,875,352
07/29/2026
55.09
55.36
53.50
54.04
-2.28%
3,129,417
07/29/2026
-$0.42 Earnings
07/28/2026
56.56
56.56
54.00
55.30
-1.18%
2,805,275
07/27/2026
56.93
57.09
55.79
55.96
-1.04%
2,584,896
07/24/2026
56.32
57.36
56.19
56.55
+1.22%
3,094,732
07/23/2026
53.71
57.48
53.35
55.87
+3.44%
3,837,434
07/22/2026
51.16
54.06
50.01
54.01
+1.16%
8,748,267
07/21/2026
52.75
54.13
52.26
53.39
+0.83%
3,074,070
07/20/2026
54.47
54.80
52.82
52.95
-2.65%
2,195,064
07/17/2026
54.10
54.69
53.76
54.39
-0.48%
2,572,709
07/16/2026
53.95
55.98
53.38
54.65
-0.15%
3,805,260
07/15/2026
54.48
54.89
53.51
54.73
-0.36%
3,605,437
07/14/2026
55.80
56.46
54.53
54.93
-3.21%
4,650,287
07/13/2026
57.91
57.91
56.11
56.75
-2.58%
5,097,950
07/10/2026
64.27
64.44
58.20
58.25
-9.37%
11,607,907
07/09/2026
67.78
70.35
64.10
64.27
-23.90%
20,447,628
07/08/2026
85.56
86.74
83.92
84.46
-2.17%
2,280,834
07/07/2026
84.42
86.67
82.95
86.33
+3.79%
2,646,708
07/06/2026
82.11
84.01
81.19
83.18
+1.69%
1,847,438
07/02/2026
79.53
81.99
79.11
81.80
+3.30%
2,301,900
07/01/2026
79.13
79.48
77.95
79.19
-0.13%
1,442,194
06/30/2026
81.17
81.24
79.21
79.29
-1.74%
2,380,303
06/29/2026
81.00
82.53
79.95
80.69
-0.60%
2,806,624
06/26/2026
78.80
82.63
78.80
81.18
+3.63%
3,861,232
06/25/2026
76.69
79.55
76.25
78.34
+2.38%
2,583,538
06/24/2026
76.40
79.00
76.04
76.52
+0.70%
2,485,707
06/23/2026
75.89
77.31
75.77
75.99
+0.13%
1,405,416
06/22/2026
74.85
76.56
74.12
75.89
+2.39%
1,956,126
06/18/2026
75.00
75.66
73.50
74.12
-0.26%
2,984,375
06/17/2026
73.09
75.12
72.55
74.31
+1.67%
1,788,352
06/16/2026
73.93
73.96
72.30
73.09
-1.18%
1,801,391
06/15/2026
73.49
74.27
72.88
73.96
+0.93%
1,506,352
06/12/2026
73.82
74.35
72.57
73.28
-0.74%
1,964,869
06/11/2026
73.34
74.48
72.76
73.82
+0.68%
2,234,439
06/10/2026
74.43
75.85
72.83
73.32
-1.69%
1,595,747
06/09/2026
74.77
75.79
73.53
74.58
+1.41%
1,568,662
06/08/2026
74.33
74.43
73.14
73.54
-1.26%
1,620,751
06/05/2026
75.24
75.96
73.81
74.48
-0.87%
1,982,004
06/04/2026
74.01
75.88
73.82
75.13
+1.77%
1,241,132
06/03/2026
72.68
74.12
72.02
73.82
+1.16%
1,303,164
06/02/2026
74.85
75.23
72.56
72.97
-3.20%
2,086,205
06/01/2026
75.67
76.19
74.70
75.38
-1.46%
1,467,683
05/29/2026
77.54
78.10
76.39
76.50
-1.07%
1,675,661
05/28/2026
76.58
78.00
75.34
77.33
+1.10%
1,603,089
05/27/2026
76.24
77.40
76.23
76.49
+0.55%
1,458,670
05/26/2026
76.00
76.74
74.73
76.07
+0.67%
1,279,225
05/22/2026
75.71
76.80
75.00
75.56
-0.29%
1,579,207
05/21/2026
74.76
76.48
74.21
75.78
+0.96%
2,295,135
05/20/2026
74.67
75.69
73.97
75.06
+1.65%
2,005,310
05/19/2026
72.76
74.15
72.00
73.84
+1.82%
1,519,492
05/18/2026
74.58
74.79
71.93
72.52
-2.30%
2,211,491
05/15/2026
75.89
75.93
73.32
74.23
-1.92%
2,119,184
05/14/2026
79.00
79.19
75.31
75.68
-2.47%
1,798,306
05/13/2026
75.67
78.03
75.08
77.60
+2.33%
1,360,374
05/12/2026
76.03
77.13
75.38
75.83
+0.60%
1,408,888
05/11/2026
76.03
77.01
74.85
75.38
-0.44%
1,533,668
05/08/2026
76.45
77.40
75.24
75.71
-0.41%
1,656,234
05/07/2026
76.56
76.56
74.87
76.02
-1.08%
1,885,704
05/06/2026
75.62
77.42
75.29
76.85
+2.13%
1,799,881
05/05/2026
75.84
76.96
74.82
75.25
-0.27%
850,248
05/04/2026
75.28
76.00
74.47
75.45
+0.23%
1,689,517
05/01/2026
74.86
76.17
72.94
75.28
+0.70%
1,821,465
04/30/2026
74.91
77.76
73.81
74.76
-0.09%
2,430,345
04/29/2026
72.06
74.96
71.30
74.83
+4.25%
3,675,235
04/29/2026
-$0.30 Earnings
04/28/2026
72.71
73.10
71.18
71.78
-0.62%
2,396,263
04/27/2026
74.04
75.10
72.21
72.23
-1.42%
2,311,611
04/24/2026
74.09
74.51
72.33
73.27
-1.11%
1,817,368
04/23/2026
74.96
76.06
73.23
74.09
-0.99%
1,377,408
04/22/2026
75.22
75.44
74.00
74.83
+0.07%
2,024,007
04/21/2026
75.87
75.96
73.80
74.78
-0.12%
1,818,668
04/20/2026
75.50
75.62
74.58
74.87
-1.11%
1,106,829
04/17/2026
75.66
76.33
74.95
75.71
+0.60%
1,719,446
04/16/2026
76.42
76.53
73.91
75.26
-2.03%
1,873,899
04/15/2026
77.10
77.18
75.77
76.82
+0.08%
1,288,372
04/14/2026
74.88
77.38
74.88
76.76
+2.41%
1,595,277
04/13/2026
75.17
77.17
74.56
74.95
-0.29%
1,650,871
04/10/2026
77.02
77.15
74.53
75.17
-1.65%
1,581,559
04/09/2026
74.98
76.97
74.62
76.43
+1.93%
1,200,959
04/08/2026
76.07
76.48
74.30
74.98
+1.48%
1,266,771
04/07/2026
74.05
74.27
72.42
73.89
-0.59%
1,118,312
04/06/2026
74.54
75.48
73.56
74.33
-0.62%
1,440,939
04/02/2026
73.74
75.13
73.35
74.79
-0.45%
1,791,632