Amentum Holdings, Inc. (AMTM) Stock Price History
Historical prices from 2024 to 2026
- 1M
- -1.8%
- 3M
- -6.5%
- YTD
- -35.4%
- 1Y
- -13.6%
- 3Y
- -12.6%
- 5Y
- -7.8%
Loading 10-year price history...
AMTM Historical Performance
AMTM Annual Returns
Year-by-year price performance · 2024–2026
- 2024 annual price return
- -28.7%
- 2025 annual price return
- +33.9%
- 2026 annual price return
- -27.2%
AMTM Stock Price Trajectory (2024–2026)
As of September 23, 2026, Amentum Holdings, Inc. (AMTM) trades at $19.70, representing a -13.6% return over the past year. The stock has delivered a -33.2% total return over five years (-7.8% CAGR), reflecting challenging market conditions.
The stock reached its all-time high of $38.11 on February 6, 2026. From this peak, AMTM has corrected -48.3%, currently trading 24% below its 200-day moving average, suggesting potential weakness.
When compared to Industrials sector peers SAIC (+27.8% 1Y), LDOS (-34.4% 1Y), and BAH (-23.6% 1Y), AMTM has underperformed the peer group average. Compare AMTM vs SAIC →
AMTM Historical Price Data · from 2024
Rows 1–50 of 500| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-09-22 | 20.02 | 20.07 | 19.39 | 19.70 | 2.07M | -1.01% |
| 2026-09-21 | 19.68 | 20.01 | 19.64 | 19.90 | 1.26M | +1.53% |
| 2026-09-18 | 20.21 | 20.33 | 19.50 | 19.60 | 4.40M | -2.92% |
| 2026-09-17 | 20.18 | 20.33 | 20.01 | 20.19 | 1.22M | +1.56% |
| 2026-09-16 | 20.09 | 20.40 | 19.65 | 19.88 | 1.37M | -1.29% |
| 2026-09-15 | 19.61 | 20.29 | 19.46 | 20.14 | 1.94M | +2.03% |
| 2026-09-14 | 19.70 | 19.81 | 19.47 | 19.74 | 1.58M | +1.44% |
| 2026-09-11 | 19.62 | 19.68 | 19.23 | 19.46 | 1.01M | -0.51% |
| 2026-09-10 | 19.36 | 19.78 | 19.21 | 19.56 | 1.20M | +1.29% |
| 2026-09-09 | 20.24 | 20.36 | 19.27 | 19.31 | 2.02M | -4.12% |
| 2026-09-08 | 20.10 | 20.25 | 19.68 | 20.14 | 2.48M | +0.40% |
| 2026-09-04 | 20.00 | 20.23 | 19.90 | 20.06 | 1.08M | -0.25% |
| 2026-09-03 | 20.00 | 20.31 | 19.90 | 20.11 | 1.48M | +1.06% |
| 2026-09-02 | 19.89 | 20.19 | 19.81 | 19.90 | 1.94M | -0.45% |
| 2026-09-01 | 20.13 | 20.25 | 19.80 | 19.99 | 1.84M | 0.00% |
| 2026-08-31 | 20.29 | 20.41 | 19.90 | 19.99 | 1.37M | -1.58% |
| 2026-08-28 | 20.45 | 20.54 | 20.17 | 20.31 | 1.21M | -0.59% |
| 2026-08-27 | 20.63 | 20.68 | 20.40 | 20.43 | 1.59M | -0.87% |
| 2026-08-26 | 20.14 | 20.83 | 20.14 | 20.61 | 1.74M | +1.73% |
| 2026-08-25 | 20.20 | 20.34 | 19.98 | 20.26 | 3.28M | +1.00% |
| 2026-08-24 | 21.47 | 21.65 | 19.99 | 20.06 | 2.60M | -6.65% |
| 2026-08-21 | 20.78 | 21.55 | 20.64 | 21.49 | 3.10M | +4.27% |
| 2026-08-20 | 21.10 | 21.18 | 20.38 | 20.61 | 3.12M | -2.00% |
| 2026-08-19 | 21.00 | 21.68 | 20.80 | 21.03 | 2.02M | +0.38% |
| 2026-08-18 | 20.55 | 20.97 | 20.09 | 20.95 | 4.06M | +2.55% |
| 2026-08-17 | 21.17 | 21.27 | 20.18 | 20.43 | 4.13M | -4.84% |
| 2026-08-14 | 21.69 | 21.98 | 21.25 | 21.47 | 1.77M | -0.92% |
| 2026-08-13 | 22.66 | 22.98 | 21.44 | 21.67 | 2.32M | -3.77% |
| 2026-08-12 | 22.15 | 22.62 | 21.90 | 22.52 | 3.94M | +0.40% |
| 2026-08-11 | 23.20 | 23.55 | 21.86 | 22.43 | 6.97M | -8.22% |
| 2026-08-10 | 24.77 | 25.08 | 24.39 | 24.44 | 2.73M | -1.33% |
| 2026-08-07 | 23.85 | 24.82 | 23.53 | 24.77 | 1.78M | +3.90% |
| 2026-08-06 | 23.35 | 24.38 | 23.30 | 23.84 | 2.00M | +1.88% |
| 2026-08-05 | 24.26 | 24.28 | 23.32 | 23.40 | 1.04M | -3.07% |
| 2026-08-04 | 23.12 | 24.16 | 23.12 | 24.14 | 1.52M | +4.14% |
| 2026-08-03 | 22.24 | 23.23 | 22.20 | 23.18 | 1.30M | +4.41% |
| 2026-07-31 | 21.73 | 22.35 | 21.49 | 22.20 | 1.39M | +2.16% |
| 2026-07-30 | 21.50 | 21.81 | 21.26 | 21.73 | 1.39M | -0.32% |
| 2026-07-29 | 23.28 | 23.33 | 21.72 | 21.80 | 2.61M | -7.08% |
| 2026-07-28 | 22.80 | 23.47 | 22.75 | 23.46 | 1.54M | +2.58% |
| 2026-07-27 | 22.58 | 23.04 | 22.49 | 22.87 | 1.60M | +1.42% |
| 2026-07-24 | 22.25 | 23.18 | 22.25 | 22.55 | 2.24M | +2.45% |
| 2026-07-23 | 21.26 | 22.30 | 21.25 | 22.01 | 2.08M | +2.75% |
| 2026-07-22 | 21.17 | 21.69 | 21.02 | 21.42 | 1.75M | +2.10% |
| 2026-07-21 | 21.14 | 21.22 | 20.82 | 20.98 | 1.53M | -0.85% |
| 2026-07-20 | 20.85 | 21.65 | 20.68 | 21.16 | 2.19M | +2.32% |
| 2026-07-17 | 20.80 | 21.28 | 20.50 | 20.68 | 1.19M | -0.43% |
| 2026-07-16 | 20.89 | 21.03 | 20.51 | 20.77 | 1.49M | +0.05% |
| 2026-07-15 | 20.55 | 21.34 | 20.55 | 20.76 | 1.74M | +1.32% |
| 2026-07-14 | 20.25 | 21.00 | 20.15 | 20.49 | 1.56M | +0.29% |
AMTM Chart Terminal
Live VCP patterns, Cup & Handle overlays, support/resistance, and AI trade plans.
Live Breakouts Feed
High-probability breakout stocks crossing their pivot across 5 pattern engines.
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10-year return with dividends reinvested.
Peer Comparison
Compare growth, multiples, and margins vs sector.
AMTM — Frequently Asked Questions
Quick answers to the most common questions about buying AMTM stock.
How has AMTM stock performed recently?
AMTM declined -13.6% over the past year, below its 5-year annualized CAGR of -7.8%. The stock trades below its 200-day moving average, reflecting the downtrend.
What is AMTM's all-time high price?
Amentum Holdings, Inc. reached $38.11 on 2026-02-06. The 52-week high is $38.11. Current 1-year return of -13.6% places the stock further from historical peaks.
Where can I download AMTM historical price data?
This page provides AMTM daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2024-2026, downloadable in CSV format.