AMTM
Amentum Hldgs (AMTM)
NYSE
$19.40-$0.06 (-0.31%)
Price as of Sep 11, 2026 7:51 PM EDT
  • $4.8B
    Market Cap
  • -18.41%
    1-Year Change
  • Specialty Business Services
    Industry
  • 1 Month
    -13.24%
    Low Price$19.31
    High Price$21.49
  • 3 Months
    -11.87%
    Low Price$19.31
    High Price$24.77
  • 1 Year
    -18.41%
    Low Price$19.31
    High Price$37.53
Date
Open
High
Low
Close
Change (%)
Volume
09/11/2026
19.62
19.68
19.23
19.46
-0.51%
1,050,142
09/10/2026
19.36
19.78
19.21
19.56
+1.29%
1,201,681
09/09/2026
20.24
20.36
19.28
19.31
-4.12%
2,017,036
09/08/2026
20.10
20.25
19.68
20.14
+0.40%
2,475,336
09/04/2026
20.00
20.24
19.88
20.06
-0.25%
1,081,431
09/03/2026
20.00
20.35
19.90
20.11
+1.06%
1,480,140
09/02/2026
19.89
20.19
19.80
19.90
-0.45%
1,939,339
09/01/2026
20.13
20.25
19.80
19.99
0.00%
1,837,482
08/31/2026
20.24
20.49
19.90
19.99
-1.58%
1,369,504
08/28/2026
20.45
20.57
20.17
20.31
-0.59%
1,230,622
08/27/2026
20.63
20.68
20.40
20.43
-0.87%
1,589,379
08/26/2026
20.14
20.85
20.14
20.61
+1.73%
1,779,398
08/25/2026
20.20
20.34
19.97
20.26
+1.00%
2,721,824
08/24/2026
21.47
21.65
19.99
20.06
-6.65%
2,601,378
08/21/2026
20.78
21.55
20.64
21.49
+4.27%
3,100,799
08/20/2026
21.10
21.18
20.38
20.61
-2.00%
3,122,644
08/19/2026
21.00
21.68
20.80
21.03
+0.38%
2,024,663
08/18/2026
20.55
20.97
20.09
20.95
+2.55%
4,058,664
08/17/2026
21.17
21.27
20.19
20.43
-4.84%
4,125,449
08/14/2026
21.69
21.98
21.25
21.47
-0.92%
1,768,344
08/13/2026
22.66
22.98
21.44
21.67
-3.77%
2,316,640
08/12/2026
22.15
22.62
21.90
22.52
+0.40%
3,934,966
08/11/2026
23.20
23.55
21.86
22.43
-8.22%
6,971,988
08/10/2026
24.77
25.08
24.39
24.44
-1.33%
2,732,753
08/10/2026
$0.67 Earnings
08/07/2026
23.85
24.82
23.53
24.77
+3.90%
1,779,959
08/06/2026
23.35
24.38
23.30
23.84
+1.88%
1,996,612
08/05/2026
24.26
24.28
23.32
23.40
-3.07%
1,042,951
08/04/2026
23.12
24.16
23.12
24.14
+4.14%
1,524,236
08/03/2026
22.24
23.23
22.20
23.18
+4.41%
1,302,182
07/31/2026
21.73
22.35
21.49
22.20
+2.16%
1,392,379
07/30/2026
21.50
21.81
21.26
21.73
-0.32%
1,392,264
07/29/2026
23.28
23.33
21.72
21.80
-7.08%
2,611,775
07/28/2026
22.80
23.47
22.75
23.46
+2.58%
1,544,481
07/27/2026
22.58
23.04
22.49
22.87
+1.42%
1,603,352
07/24/2026
22.25
23.18
22.25
22.55
+2.45%
2,240,958
07/23/2026
21.26
22.30
21.25
22.01
+2.75%
2,081,464
07/22/2026
21.17
21.69
21.02
21.42
+2.10%
1,749,754
07/21/2026
21.14
21.22
20.82
20.98
-0.85%
1,530,234
07/20/2026
20.85
21.65
20.68
21.16
+2.32%
2,193,792
07/17/2026
20.80
21.28
20.50
20.68
-0.43%
1,190,000
07/16/2026
20.89
21.03
20.51
20.77
+0.05%
1,488,692
07/15/2026
20.55
21.34
20.55
20.76
+1.32%
1,736,949
07/14/2026
20.25
21.00
20.15
20.49
+0.29%
1,557,781
07/13/2026
21.21
21.28
20.21
20.43
-2.76%
1,553,765
07/10/2026
21.50
21.85
20.76
21.01
-1.36%
1,608,892
07/09/2026
20.61
21.34
20.45
21.30
+2.01%
1,748,733
07/08/2026
20.95
21.02
20.59
20.88
-1.42%
1,618,784
07/07/2026
22.40
22.72
21.15
21.18
-4.81%
2,150,286
07/06/2026
21.26
22.27
21.14
22.25
+4.76%
2,391,196
07/02/2026
20.51
21.26
20.46
21.24
+5.15%
2,430,938
07/01/2026
20.87
21.27
20.19
20.20
-2.27%
2,337,210
06/30/2026
20.50
21.23
20.17
20.67
+2.17%
2,281,836
06/29/2026
20.30
20.57
19.99
20.23
-0.10%
2,511,743
06/26/2026
19.91
20.30
19.80
20.25
+0.80%
2,445,415
06/25/2026
20.31
20.57
19.95
20.09
-1.42%
2,678,988
06/24/2026
20.88
21.07
20.34
20.38
-2.77%
2,080,193
06/23/2026
21.00
21.27
20.77
20.96
-0.47%
1,867,781
06/22/2026
21.36
21.40
20.77
21.06
-2.77%
1,761,675
06/18/2026
21.40
21.67
20.99
21.66
+0.74%
3,296,938
06/17/2026
22.18
22.60
21.38
21.50
-2.98%
1,986,044
06/16/2026
22.40
22.57
21.94
22.16
-1.16%
1,584,118
06/15/2026
23.26
23.45
22.20
22.42
-1.92%
1,612,105
06/12/2026
22.31
22.98
21.89
22.86
+3.53%
1,080,384
06/11/2026
21.90
22.22
21.74
22.08
+0.36%
2,221,260
06/10/2026
22.46
22.55
21.87
22.00
-2.27%
963,711
06/09/2026
22.70
23.00
21.87
22.51
-0.44%
1,576,407
06/08/2026
22.68
23.15
22.41
22.61
-0.83%
2,609,772
06/05/2026
23.25
23.31
22.54
22.80
-2.10%
1,629,524
06/04/2026
23.61
24.10
23.12
23.29
+0.60%
1,441,201
06/03/2026
23.00
23.28
22.67
23.15
-0.90%
1,799,483
06/02/2026
23.61
23.83
22.96
23.36
-2.95%
1,788,192
06/01/2026
23.61
24.53
23.51
24.07
+3.62%
1,931,735
05/29/2026
23.81
23.83
22.94
23.23
-2.56%
2,902,533
05/28/2026
23.10
24.22
22.88
23.84
+3.16%
2,098,910
05/27/2026
22.95
23.20
22.67
23.11
+0.87%
2,005,535
05/26/2026
23.23
23.46
22.74
22.91
-1.38%
2,750,459
05/22/2026
23.30
23.72
22.97
23.23
+0.30%
1,467,015
05/21/2026
22.22
23.22
22.05
23.16
+2.93%
2,066,103
05/20/2026
22.66
22.71
22.11
22.50
-0.57%
2,111,793
05/19/2026
23.35
23.50
22.63
22.63
-2.83%
2,489,627
05/18/2026
22.94
23.48
22.64
23.29
+1.35%
1,868,661
05/15/2026
23.31
23.31
22.61
22.98
-1.16%
1,945,149
05/14/2026
23.27
23.54
22.95
23.25
+0.43%
2,227,321
05/13/2026
24.55
24.60
22.60
23.15
-4.77%
3,975,250
05/12/2026
25.52
25.53
23.83
24.31
+1.55%
4,175,026
05/11/2026
24.53
25.24
23.85
23.94
-2.41%
5,092,222
05/11/2026
$0.60 Earnings
05/08/2026
24.60
24.80
23.93
24.53
-0.12%
2,029,504
05/07/2026
25.06
25.33
24.39
24.56
-1.33%
1,310,002
05/06/2026
24.50
25.01
23.75
24.89
+2.34%
1,645,783
05/05/2026
25.91
25.99
24.01
24.32
-5.59%
2,748,336
05/04/2026
25.62
26.38
25.52
25.76
+0.43%
1,454,443
05/01/2026
26.43
26.67
25.48
25.65
-2.21%
2,066,666
04/30/2026
25.44
26.29
25.40
26.23
+3.51%
1,820,135
04/29/2026
25.92
26.04
25.13
25.34
-2.16%
1,501,039
04/28/2026
26.41
26.70
25.61
25.90
-0.92%
1,063,570
04/27/2026
25.90
26.67
25.88
26.14
+1.12%
1,617,755
04/24/2026
27.00
27.00
25.69
25.85
-3.80%
1,967,998
04/23/2026
27.66
27.91
26.60
26.87
-3.31%
1,658,528