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Amentum Holdings, Inc. (AMTM)
NYSE: AMTM · Real-Time Price · USD
20.25
+0.16 (0.80%)
At close: Jun 26, 2026, 4:00 PM EDT
20.00
-0.25 (-1.23%)
After-hours: Jun 26, 2026, 7:34 PM EDT

Amentum Holdings Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Jun 26, 202619.9120.3019.8020.2520.250.80%2,362,879
Jun 25, 202620.3120.5719.9520.0920.09-1.42%2,678,266
Jun 24, 202620.8821.0720.3420.3820.38-2.77%2,044,397
Jun 23, 202621.0021.2720.7720.9620.96-0.47%1,745,825
Jun 22, 202621.3621.4020.7721.0621.06-2.77%1,760,663
Jun 18, 202621.4021.6720.9921.6621.660.74%3,180,588
Jun 17, 202622.1822.6021.3821.5021.50-2.98%1,967,382
Jun 16, 202622.4022.5721.9422.1622.16-1.16%1,565,656
Jun 15, 202623.2623.4522.2022.4222.42-1.92%1,592,663
Jun 12, 202622.3122.9821.8922.8622.863.53%1,077,402
Jun 11, 202621.9022.2221.7422.0822.080.36%2,171,082
Jun 10, 202622.4622.5521.8722.0022.00-2.27%962,545
Jun 9, 202622.7023.0021.8722.5122.51-0.44%1,537,119
Jun 8, 202622.6823.1522.4122.6122.61-0.83%2,565,012
Jun 5, 202623.2523.3122.5422.8022.80-2.10%1,627,324
Jun 4, 202623.6124.1023.1223.2923.290.60%1,418,734
Jun 3, 202623.0023.2822.6723.1523.15-0.90%1,750,089
Jun 2, 202623.6123.8322.9623.3623.36-2.95%1,733,496
Jun 1, 202623.6124.5323.5124.0724.073.62%1,775,579
May 29, 202623.8123.8322.9423.2323.23-2.56%2,841,819
May 28, 202623.1024.2222.8823.8423.843.16%2,059,408
May 27, 202622.9523.2022.6723.1123.110.87%1,944,159
May 26, 202623.2323.4622.7522.9122.91-1.38%2,593,025
May 22, 202623.3023.7222.9723.2323.230.30%1,357,211
May 21, 202622.2223.2222.0523.1623.162.93%2,002,087
May 20, 202622.6622.7122.1122.5022.50-0.57%2,048,082
May 19, 202623.3523.5022.6322.6322.63-2.83%2,488,184
May 18, 202622.9423.4822.6423.2923.291.35%1,865,087
May 15, 202623.3123.3122.6122.9822.98-1.16%1,945,148
May 14, 202623.2723.5422.9523.2523.250.43%2,227,320
May 13, 202624.5524.6022.6023.1523.15-4.77%3,975,249
May 12, 202625.5225.5323.8324.3124.311.55%4,175,026
May 11, 202624.5325.2423.8523.9423.94-2.41%5,092,413
May 8, 202624.6024.8023.9324.5324.53-0.12%2,029,504
May 7, 202625.0625.3324.3924.5624.56-1.33%1,310,002
May 6, 202624.5025.0123.7524.8924.892.34%1,645,782
May 5, 202625.9125.9924.0124.3224.32-5.59%2,748,336
May 4, 202625.6226.3825.5225.7625.760.43%1,454,477
May 1, 202626.4326.6725.4825.6525.65-2.21%2,066,666
Apr 30, 202625.4426.2925.4026.2326.233.51%1,453,034
Apr 29, 202625.9226.0425.1325.3425.34-2.16%1,501,038
Apr 28, 202626.4126.7025.6125.9025.90-0.92%1,063,569
Apr 27, 202625.9026.6725.8826.1426.141.12%1,617,754
Apr 24, 202627.0027.0025.6925.8525.85-3.80%1,968,000
Apr 23, 202627.6627.9126.6026.8726.87-3.31%1,658,528
Apr 22, 202628.0728.5427.6427.7927.790.51%1,574,781
Apr 21, 202627.6128.1427.3227.6527.650.07%1,787,013
Apr 20, 202627.4827.9327.0227.6327.630.18%1,683,055
Apr 17, 202627.8328.1526.9327.5827.580.29%1,838,051
Apr 16, 202627.7528.2227.2527.5027.50-0.29%1,640,532
Apr 15, 202627.5928.1027.3527.5827.580.36%1,155,699
Apr 14, 202627.6527.9827.2627.4827.48-0.33%1,001,439
Apr 13, 202626.3827.7126.2227.5727.574.87%2,246,293
Apr 10, 202626.6326.8025.8926.2926.29-0.90%1,119,194
Apr 9, 202627.1327.3626.5226.5326.53-2.28%1,138,375
Apr 8, 202627.3027.6427.0727.1527.151.80%2,880,827
Apr 7, 202626.9527.3126.5626.6726.67-1.44%1,902,996
Apr 6, 202627.1727.4526.8527.0627.060.07%1,021,989
Apr 2, 202626.0927.4226.0027.0427.042.66%1,392,759
Apr 1, 202626.5626.7426.1626.3426.341.00%2,937,891
Mar 31, 202625.8726.4925.3826.0826.083.62%3,113,465
Mar 30, 202626.0426.1324.8925.1725.17-2.59%1,419,241
Mar 27, 202626.4026.4025.5925.8425.84-2.64%1,156,017
Mar 26, 202626.4526.9226.2426.5426.54-0.75%968,115
Mar 25, 202626.9627.1026.3126.7426.740.56%1,055,583
Mar 24, 202626.4826.8426.1426.5926.59-0.56%1,704,312
Mar 23, 202627.0027.4626.6826.7426.74-0.22%2,030,710
Mar 20, 202627.0627.1926.6326.8026.80-1.47%3,637,372
Mar 19, 202626.9127.4526.5627.2027.200.48%1,671,751
Mar 18, 202627.5027.9027.0527.0727.07-2.10%1,651,054
Mar 17, 202627.6628.3127.6027.6527.650.80%1,278,078
Mar 16, 202628.0828.4927.3927.4327.43-1.68%1,968,231
Mar 13, 202628.1128.5027.3327.9027.90-0.36%1,720,322
Mar 12, 202627.8728.3327.6428.0028.000.04%2,038,542
Mar 11, 202628.8028.8027.9027.9927.99-2.78%2,049,792
Mar 10, 202630.5530.5528.4828.7928.79-4.98%2,241,380
Mar 9, 202629.6930.8529.0230.3030.300.97%1,530,322
Mar 6, 202630.0730.0929.1630.0130.01-1.83%2,248,436
Mar 5, 202630.6331.2029.6430.5730.57-1.99%2,854,061
Mar 4, 202630.3131.3730.1931.1931.191.73%2,124,190
Mar 3, 202629.8130.7229.3630.6630.66-0.13%1,363,563
Mar 2, 202629.7331.1029.7130.7030.702.78%1,725,095
Feb 27, 202629.9230.3629.5129.8729.87-1.19%1,678,669
Feb 26, 202629.5930.3229.3030.2330.232.37%1,210,468
Feb 25, 202630.4830.6829.3129.5329.53-2.19%1,836,666
Feb 24, 202629.5030.2729.1630.1930.192.17%2,776,446
Feb 23, 202630.8430.8429.4829.5529.55-4.59%1,771,939
Feb 20, 202631.9832.2430.8830.9730.97-3.28%1,802,515
Feb 19, 202630.5032.0330.2532.0232.023.73%1,563,261
Feb 18, 202630.2031.0630.0530.8730.872.73%1,487,669
Feb 17, 202630.7230.9530.0030.0530.05-3.06%1,814,251
Feb 13, 202630.2031.4129.6831.0031.003.09%3,400,227
Feb 12, 202630.3231.0029.3530.0730.07-1.05%3,311,775
Feb 11, 202632.1232.2430.2030.3930.39-5.21%3,600,178
Feb 10, 202633.6433.7531.1532.0632.06-12.38%6,815,219
Feb 9, 202637.6037.9036.5236.5936.59-2.50%3,519,182
Feb 6, 202636.3338.1136.2237.5337.533.10%4,578,752
Feb 5, 202635.7537.2835.6036.4036.40-0.14%2,253,141
Feb 4, 202636.5937.0035.4236.4536.450.66%2,178,331
Feb 3, 202636.9136.9735.1936.2136.210.89%1,959,178