If you'd invested in Amentum (AMTM): performance and returns
Looking for Amentum's share price history and how much the stock has returned? Here's its year-by-year performance and what $1,000 invested at different dates would be worth today.
💰 Calculator: how much would Amentum have returned?
This calculator shows how much Amentum stock would have returned based on the amount invested and the starting year. Pick a sum and a year and you'll instantly see what it would be worth today and the total gain. Real prices, excluding dividends.
If I'd invested $1,000 in Amentum
| Investment | Worth today | Gain |
|---|---|---|
| 1 years ago | $974 | -3% |
| since inception (2024) | $694 | -31% |
Return by year (Amentum)
| Year | Return | $1,000 invested at year start |
|---|---|---|
| 2026 (YTD) | -29% | $707 (-29%) |
| 2025 | +38% | $974 (-3%) |
Frequently asked questions
How much does AMTM return?
$1,000 invested in Amentum 1 years ago would be worth $974 today, i.e. -3%/yr on average (price, excluding dividends).
What was AMTM's best/worst year?
Best year: 2025 (+38%). Worst year: 2025 (+38%). Year-by-year detail is above.
How much would $1,000 invested in AMTM since inception be worth?
Since 2024, $1,000 would have become $694 (-31%). Past performance is not a guarantee.
Do Amentum's returns include dividends?
No — these returns are price-only. If Amentum pays a dividend, its total return would be somewhat higher — see its dividend page.
What is Amentum's average annual return (ROI)?
Amentum's return on investment is about -3%/yr over 1 years (price, excluding dividends), versus the S&P 500's ~10%/yr over the long run.