VCP ScannerFree US Stock Screener & Financial AnalysisFree US Stock Screener

Amentum Holdings, Inc. (AMTM) Total Return Calculator with Dividends Reinvested

Amentum Holdings, Inc.

Popular:

The total return for Amentum Holdings, Inc. (AMTM) stock is +12.57% over the past 12 months. So far it's down 18.34% this year. The 5-year total return is -15.66%, meaning $10,000 invested in AMTM stock 5 years ago would be worth $8,434 today. Total return includes price appreciation plus reinvesting any dividends paid out.

If you invested $10,000 in AMTM 1 year ago, it would be worth $11,791 today — you'd have gained $1,791.

With Dividends Reinvested$11,791+17.91%

Price Only (No DRIP)$11,791+17.91%

Period2025-05-07 → 2026-05-06

Price

Total Return (DRIP)

S&P 500

If You Invested $10,000 in AMTM

1Y$11,257+$1,257 (+12.6%)12.6% CAGR

3Y$8,434-$1,566 (-15.7%)-5.5% CAGR

5Y$8,434-$1,566 (-15.7%)-3.3% CAGR

10Y$8,434-$1,566 (-15.7%)-1.7% CAGR

15Y$8,434-$1,566 (-15.7%)-1.1% CAGR

20Y$8,434-$1,566 (-15.7%)-0.8% CAGR

30Y$8,435-$1,565 (-15.7%)-0.6% CAGR

Amentum Holdings, Inc. did not pay dividends during this period. Total return = price return.

Loading AMTM total return...

As of 2026-05-07

Returns at a Glance

Period	Total Return	CAGR	Price Only	Div. Contrib.	$10K →
YTD	-18.34%	—	-18.34%	—	$8,166
1Y	+12.57%	12.57%	+12.57%	—	$11,257
3Y	-15.66%	-5.52%	-15.66%	—	$8,434
5Y	-15.66%	-3.35%	-15.66%	—	$8,434
10Y	-15.66%	-1.69%	-15.66%	—	$8,434
15Y	-15.66%	-1.13%	-15.66%	—	$8,434
20Y	-15.66%	-0.85%	-15.66%	—	$8,434
30Y	-15.65%	-0.57%	-15.65%	—	$8,435

Risk & Highlights

Best Year+33.89%2025

Worst Year-28.74%2024

Max Drawdown-32.93%2026-02-06 → 2026-05-05

Annual Returns

Year	Total Return	Price Return	Div.	S&P 500	vs S&P
2026YTD	-2.00%	-2.00%	—	+0.41%	-2.4pp
2025	+33.89%	+33.89%	—	+16.64%	+17.2pp
2024	-28.74%	-28.74%	—	+24.00%	-52.7pp

AMTM underperformed the S&P 500 by 18.75pp over the past year (+12.57% vs +31.32%).

Loading summary...

AMTM Peers' Total Return

Accurate peer set · 10 comparable names

Name	Mkt Cap	30D Rtn	YTD Total Rtn	1Y Total Rtn	Div Contrib	3Y Total Rtn	5Y Total Rtn	10Y Total Rtn
AMTMAmentum Holdings, Inc.	$6.1B	-8.0%	-18.3%	+12.6%	—	-15.7%	-15.7%	-15.7%
SAICScience Applications International Corporation	$4.2B	-5.2%	-6.0%	-21.0%	+1.2pp	-0.5%	+14.8%	+104.4%
LDOSLeidos Holdings, Inc.	$17.0B	-15.4%	-26.2%	-11.8%	+1.1pp	+76.6%	+37.1%	+230.5%
BAHBooz Allen Hamilton Holding Corporation	$12.9B	-8.9%	-9.4%	-36.3%	+1.8pp	-9.8%	+2.1%	+227.5%
CACICACI International Inc	$11.0B	-12.7%	-7.1%	+5.9%	—	+64.3%	+90.8%	+423.8%
MANManpowerGroup Inc.	$1.4B	+2.3%	-2.6%	-21.0%	+3.7pp	-48.0%	-65.9%	-32.3%
KBRKBR, Inc.	$4.5B	-6.7%	-12.9%	-34.0%	+1.2pp	-36.7%	-6.4%	+167.4%
DLBDolby Laboratories, Inc.	$5.5B	-5.5%	-8.2%	-20.1%	+1.9pp	-26.4%	-34.2%	+48.0%
LMTLockheed Martin Corporation	$118.5B	-19.4%	+4.2%	+12.7%	+2.9pp	+22.6%	+48.5%	+157.0%
RTXRTX Corporation	$238.0B	-10.9%	-5.2%	+40.0%	+2.1pp	+92.9%	+122.7%	+231.2%
NOCNorthrop Grumman Corporation	$79.4B	-19.7%	-4.2%	+16.5%	+1.9pp	+32.0%	+61.3%	+189.8%

Compare:AMTM vs SAIC AMTM vs LDOS AMTM vs BAH AMTM vs SAIC vs LDOS

About AMTM Dividend Returns

Amentum Holdings, Inc. (AMTM) does not currently pay dividends. Many growth-focused companies reinvest profits back into the business rather than distributing them as dividends.

How We Calculate Total Return

Our total return calculator simulates dividend reinvestment (DRIP) by assuming each dividend payment is used to purchase additional shares at the closing price on the ex-dividend date. This methodology provides an accurate representation of how a dividend reinvestment plan would perform.

Frequently Asked Questions

Q1What is the total return of AMTM over the past year?

Amentum Holdings, Inc. (AMTM) delivered a return of 12.57% over the past year. Since AMTM does not currently pay dividends, the total return equals the price-only return.

Q2How much would $10,000 invested in AMTM be worth today?

A $10,000 investment in Amentum Holdings, Inc. one year ago would be worth $11,257 today, representing a gain of $1,257.

Q3Does AMTM pay dividends?

Amentum Holdings, Inc. (AMTM) does not currently pay dividends. Many growth-focused companies reinvest profits back into the business rather than distributing them as dividends. For AMTM, the total return equals the price-only return.

Q4Did AMTM beat the S&P 500?

No, Amentum Holdings, Inc. (AMTM) underperformed the S&P 500 by 18.75 percentage points over the past year. AMTM delivered a total return of 12.57%, compared to the S&P 500's 31.32%. This means a passive S&P 500 index fund outperformed AMTM by 18.75pp during this period.

Q5What is AMTM's worst drawdown?

Amentum Holdings, Inc. (AMTM) experienced a maximum drawdown of -32.93% over the past year, declining from its peak on 2026-02-06 to its trough on 2026-05-05. The stock has not yet fully recovered to its prior peak. Maximum drawdown measures the worst peak-to-trough decline and is an important risk metric for investors.

Q6What is AMTM's long-term total return over 10, 20, or 30 years?

Here are Amentum Holdings, Inc. (AMTM)'s long-term returns with dividends reinvested. Over 10 years, the total return is -15.7% (-1.7% CAGR) — $10,000 would have grown to $8,434. Over 20 years: -15.7% total return (-0.8% CAGR) — $10,000 → $8,434. Over 30 years: -15.7% total return (-0.6% CAGR) — $10,000 → $8,435. Long-term investors benefit from compounding: dividends buy additional shares, which generate their own dividends, creating an exponential growth effect.

Q7What was AMTM's best and worst year?

Amentum Holdings, Inc.'s best calendar year was 2025 with a total return of 33.9%. Its worst year was 2024 with a total return of -28.7%. This range shows the volatility investors should expect — the difference between the best and worst year is 62.6 percentage points.