AMSC
Amercn Supercond (AMSC)
NASDAQ
$42.11-$3.22 (-7.10%)
Price as of Jun 23, 2026 6:03 PM EDT
  • $2.2B
    Market Cap
  • 39.81%
    1-Year Change
  • Specialty Industrial Machinery
    Industry
  • 1 Month
    -12.57%
    Low Price$36.78
    High Price$53.12
  • 3 Months
    +57.71%
    Low Price$31.54
    High Price$58.72
  • 1 Year
    +39.81%
    Low Price$25.95
    High Price$66.68
Date
Open
High
Low
Close
Change (%)
Volume
06/22/2026
43.72
45.43
42.99
45.33
+4.44%
1,035,096
06/18/2026
41.49
43.49
40.44
43.40
+8.15%
1,124,987
06/17/2026
40.57
42.18
40.07
40.13
-0.82%
799,909
06/16/2026
41.07
42.36
40.35
40.46
-1.49%
1,115,873
06/15/2026
42.06
42.98
40.52
41.07
+2.62%
924,785
06/12/2026
39.51
40.62
38.71
40.02
+1.29%
812,097
06/11/2026
37.44
39.54
36.71
39.51
+7.42%
1,842,920
06/10/2026
40.29
40.96
36.72
36.78
-9.25%
2,420,049
06/09/2026
43.66
44.76
38.92
40.53
-6.48%
1,558,694
06/08/2026
42.86
44.39
40.76
43.34
+2.36%
1,583,255
06/05/2026
45.34
45.95
41.20
42.34
-8.75%
1,820,755
06/04/2026
45.64
47.24
45.19
46.40
-0.58%
1,263,829
06/03/2026
51.00
51.30
46.24
46.67
-8.79%
1,478,322
06/02/2026
51.46
52.55
48.87
51.17
+0.04%
1,281,733
06/01/2026
49.47
51.99
48.77
51.15
+0.41%
1,133,995
05/29/2026
51.19
53.37
48.52
50.94
-0.76%
1,336,627
05/28/2026
50.00
51.37
45.46
51.33
-2.56%
3,439,465
05/27/2026
53.60
55.09
51.55
52.68
-0.83%
1,942,074
05/27/2026
$0.30 Earnings
05/26/2026
54.00
54.40
51.28
53.12
+2.47%
1,179,384
05/22/2026
50.28
52.48
48.86
51.84
+4.90%
746,642
05/21/2026
48.64
50.66
48.39
49.42
+0.41%
658,338
05/20/2026
48.46
50.10
47.22
49.22
+4.52%
933,307
05/19/2026
48.10
48.62
45.72
47.09
-6.10%
1,168,371
05/18/2026
54.86
55.11
48.52
50.15
-8.92%
1,264,214
05/15/2026
51.53
55.24
50.32
55.06
+0.66%
1,059,765
05/14/2026
55.73
55.78
52.58
54.70
-1.85%
1,210,454
05/13/2026
55.81
56.25
53.00
55.73
+2.24%
977,276
05/12/2026
57.04
57.05
51.32
54.51
-7.17%
1,314,800
05/11/2026
55.10
60.18
54.81
58.72
+6.40%
1,749,703
05/08/2026
54.37
55.68
53.47
55.19
+3.70%
859,757
05/07/2026
56.09
56.90
52.66
53.22
-6.75%
1,201,571
05/06/2026
55.59
57.18
53.71
57.07
+3.74%
1,080,324
05/05/2026
50.99
55.70
50.99
55.01
+9.36%
1,400,576
05/04/2026
52.51
53.00
48.53
50.30
-4.21%
1,068,761
05/01/2026
53.22
54.20
51.42
52.51
-1.92%
1,310,429
04/30/2026
49.23
53.65
48.00
53.54
+12.24%
1,863,819
04/29/2026
47.79
48.60
45.69
47.70
+0.42%
1,265,614
04/28/2026
47.91
49.49
45.57
47.50
-4.31%
1,769,658
04/27/2026
52.39
52.39
46.01
49.64
+0.32%
2,500,218
04/24/2026
48.14
50.78
45.50
49.48
+7.22%
2,319,312
04/23/2026
51.25
51.47
44.47
46.15
-4.15%
2,644,641
04/22/2026
43.40
48.23
43.40
48.15
+14.83%
2,463,651
04/21/2026
41.36
42.93
40.75
41.93
+2.95%
1,586,757
04/20/2026
39.37
40.84
38.81
40.73
+2.54%
692,224
04/17/2026
39.00
40.75
38.13
39.72
+4.61%
1,058,393
04/16/2026
37.86
38.59
36.89
37.97
+0.61%
917,306
04/15/2026
40.00
40.04
37.21
37.74
-4.33%
1,293,983
04/14/2026
39.00
39.60
37.25
39.45
+4.34%
993,882
04/13/2026
37.29
38.11
36.54
37.81
+0.27%
796,816
04/10/2026
36.50
39.25
36.35
37.71
+4.32%
1,238,239
04/09/2026
32.87
36.41
32.87
36.15
+9.48%
1,408,024
04/08/2026
33.73
34.28
32.68
33.02
+4.69%
918,462
04/07/2026
32.10
32.27
30.87
31.54
-3.31%
562,637
04/06/2026
32.37
32.99
31.97
32.62
+1.65%
380,864
04/02/2026
31.33
32.89
30.96
32.09
-1.72%
630,615
04/01/2026
34.26
35.05
32.60
32.65
-3.55%
633,709
03/31/2026
32.60
34.28
32.18
33.85
+5.09%
1,135,615
03/30/2026
33.87
33.87
31.36
32.21
-4.48%
1,978,075
03/27/2026
31.64
34.04
31.64
33.72
+4.36%
1,042,041
03/26/2026
32.56
34.27
32.21
32.31
-3.72%
1,573,076
03/25/2026
32.87
34.65
32.57
33.56
+4.19%
946,953
03/24/2026
30.00
32.73
30.00
32.21
+4.58%
893,656
03/23/2026
29.53
30.95
28.82
30.80
+7.17%
1,547,991
03/20/2026
30.47
30.78
28.55
28.74
-6.29%
1,246,210
03/19/2026
29.03
31.20
28.69
30.67
+1.76%
505,041
03/18/2026
31.10
31.67
30.11
30.14
-3.30%
621,334
03/17/2026
30.83
31.55
30.56
31.17
+0.87%
503,685
03/16/2026
32.15
32.50
30.11
30.90
-0.39%
637,575
03/13/2026
29.68
31.19
29.68
31.02
+6.02%
925,420
03/12/2026
29.70
30.03
28.82
29.26
-4.57%
666,633
03/11/2026
29.45
30.83
29.33
30.66
+3.30%
725,863
03/10/2026
29.00
30.23
28.96
29.68
+2.20%
917,507
03/09/2026
27.09
29.11
26.46
29.04
+4.84%
1,292,092
03/06/2026
29.91
30.47
27.69
27.70
-10.18%
1,531,702
03/05/2026
31.35
31.70
30.01
30.84
-3.20%
688,375
03/04/2026
31.92
32.55
31.39
31.86
+2.48%
444,016
03/03/2026
31.40
31.58
30.08
31.09
-5.82%
718,811
03/02/2026
30.20
33.38
30.08
33.01
+1.32%
804,052
02/27/2026
33.15
33.62
32.38
32.58
-5.95%
805,397
02/26/2026
34.30
34.81
33.20
34.64
-0.12%
615,011
02/25/2026
33.90
35.81
33.80
34.68
+2.88%
699,301
02/24/2026
32.31
34.24
32.05
33.71
+3.69%
820,897
02/23/2026
33.61
34.35
32.01
32.51
-4.49%
801,736
02/20/2026
33.17
35.53
32.50
34.04
+0.77%
1,173,308
02/19/2026
34.53
35.06
33.00
33.78
-2.88%
986,179
02/18/2026
37.40
38.10
34.00
34.78
-5.13%
1,764,505
02/17/2026
33.64
36.82
32.62
36.66
+7.01%
1,667,216
02/13/2026
31.95
34.53
31.05
34.26
+7.23%
1,435,297
02/12/2026
34.99
35.50
31.81
31.95
-6.74%
1,520,007
02/11/2026
33.49
34.82
31.21
34.26
+7.47%
2,737,608
02/10/2026
28.64
32.36
28.07
31.88
+10.73%
3,315,608
02/09/2026
28.13
30.13
27.74
28.79
+2.20%
1,079,774
02/06/2026
26.36
28.36
25.28
28.17
+8.55%
2,060,964
02/05/2026
31.76
31.85
24.87
25.95
-6.01%
3,549,139
02/04/2026
30.10
30.17
26.92
27.61
-7.97%
1,912,055
02/04/2026
$2.75 Earnings
02/03/2026
30.90
31.24
28.75
30.00
-0.07%
1,010,698
02/02/2026
29.93
30.90
29.15
30.02
+0.33%
1,454,621
01/30/2026
30.96
31.67
29.67
29.92
-4.86%
762,403