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Amentum Holdings IncAMTM
$21.870.91%-0.20
After Hours: 21.81-0.06 -0.27%

Amentum Holdings Inc (AMTM)

Date: 2026-10-30 16:00O: 22.06H: 22.47L: 21.58C: 21.87Vol: 2.573M

Amentum Holdings Inc Stock (AMTM) Price History

The historical daily chart and data for Amentum Holdings Inc stock (AMTM), show that the latest closing stock price as of October 30, 2026, is $21.87.

  • Amentum Holdings Inc all-time high stock price is $38.11, occurred on February 06, 2026.
  • The lowest Amentum Holdings Inc stock price recorded was $16.01 on April 09, 2025. Since then, Amentum Holdings Inc's stock price has risen over 26.79% to $21.87 now.
  • The 52-week high stock price for AMTM is $38.11, representing a 74.26% increase from the current share price, occurred on February 06, 2026.
  • The 52-week low stock price for AMTM is $17.72, indicating a 18.98% decrease from the current share price, occurred on October 02, 2026.
  • The closing price of Amentum Holdings Inc (AMTM) stock in the beginning of 2025 was $21.66. The stock closed the year at $29.00, a gain of over 33.89% for the year.

The table below shows more information about AMTM historical price data:

FromTo
DateHighLowHigh - LowVolume% Change
Oct 30, 2026$22.47$21.58$0.892,573,204-0.91%
Oct 29, 2026$22.37$21.93$0.442,022,540+1.75%
Oct 28, 2026$21.90$21.36$0.5451,661,336-0.28%
Oct 27, 2026$22.24$21.73$0.51262,007,186-1.45%
Oct 26, 2026$22.50$21.80$0.71,854,800+1.42%
Oct 23, 2026$21.79$20.64$1.152,079,940+2.21%
Oct 22, 2026$21.35$20.04$1.322,405,687+5.66%
Oct 21, 2026$20.38$19.82$0.561,629,431+1.41%
Oct 20, 2026$19.94$19.27$0.671,385,394+2.00%
Oct 19, 2026$19.60$19.27$0.32941,223,174-0.20%
Oct 16, 2026$19.59$18.97$0.622,089,588+2.25%
Oct 15, 2026$19.14$18.23$0.911,479,824+5.30%
Oct 14, 2026$18.67$18.00$0.671,073,020-2.11%
Oct 13, 2026$18.97$18.47$0.51,215,855-2.11%
Oct 12, 2026$19.47$18.91$0.56191,614,260-1.92%
Oct 09, 2026$19.40$18.96$0.441,271,367+1.69%
Oct 08, 2026$18.97$18.10$0.86993,415,042+2.49%
Oct 07, 2026$18.70$18.09$0.60991,776,605-1.39%
Oct 06, 2026$18.93$18.31$0.621,893,158+2.91%
Oct 05, 2026$18.63$18.02$0.611,999,975+0.55%

Amentum Holdings Inc Stock (AMTM) Year by Year Price History

In this detailed analysis, we present a comprehensive overview of the price movements of Amentum Holdings Inc stock over the years. By exploring the year-by-year data, investors can gain valuable insights into the historical performance and volatility of AMTM shares. From significant milestones and fluctuations to notable trends, this in-depth examination of Amentum Holdings Inc stock price history provides a foundation for understanding how the company's stock has evolved over time.

Amentum Holdings Inc Stock (AMTM) Price History 2026

MonthHighLowHigh - LowVolume% Change
Oct, 2026$22.50$17.72$4.7840,708,149+20.70%
Sep, 2026$20.40$17.89$2.5136,628,052-9.35%
Aug, 2026$25.08$19.90$5.1852,995,777-9.95%
Jul, 2026$23.47$20.15$3.3239,754,471+7.40%
Jun, 2026$24.53$19.80$4.7240,885,861-11.02%
May, 2026$26.67$22.05$4.6248,195,067-11.44%
Apr, 2026$28.54$25.13$3.4134,919,583+0.58%
Mar, 2026$31.37$24.89$6.4841,307,385-12.69%
Feb, 2026$38.11$29.16$8.9548,299,548-16.52%
Jan, 2026$37.94$28.93$9.0137,278,449+23.38%

Amentum Holdings Inc Stock (AMTM) Price History 2025

MonthHighLowHigh - LowVolume% Change
Dec, 2025$30.21$28.01$2.2043,373,735+2.34%
Nov, 2025$31.87$21.11$10.7651,586,182+27.76%
Oct, 2025$26.58$21.28$5.3034,765,784-6.43%
Sep, 2025$25.11$21.71$3.4036,029,090-4.01%
Aug, 2025$26.63$23.52$3.1130,735,257-0.08%
Jul, 2025$25.86$23.11$2.7532,876,848+5.76%
Jun, 2025$24.33$19.11$5.2252,482,526+14.28%
May, 2025$22.91$20.05$2.8644,890,432-5.32%
Apr, 2025$22.23$16.01$6.2251,668,875+19.89%
Mar, 2025$20.01$16.95$3.0660,510,943-7.33%
Feb, 2025$24.30$18.81$5.4938,691,159-6.34%
Jan, 2025$23.99$18.99$5.0045,555,813-0.29%

Amentum Holdings Inc Stock (AMTM) Price History 2024

MonthHighLowHigh - LowVolume% Change
Dec, 2024$25.07$18.38$6.6974,872,770-8.42%
Nov, 2024$34.47$21.24$13.2333,471,973-18.12%

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