Which has the lower trailing P/E, ACA or AMTM?

ACA has the lower trailing P/E: ACA trades at 16.18 and AMTM at 41.28. P/E is one valuation measure and does not by itself establish which business is cheaper.

Does ACA or AMTM pay a bigger dividend?

ACA pays a dividend (0.14% yield), while AMTM has no payments in the available dividend history.

Is ACA or AMTM more profitable?

ACA runs the higher net margin — ACA at 17.90% versus AMTM at 1.04%.

Arcosa, Inc. (ACA) vs Amentum Holdings, Inc. (AMTM)

A side-by-side comparison of Arcosa, Inc. and Amentum Holdings, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of August 9, 2026. Differences are shown without an overall score or investment verdict.

ACA

Arcosa, Inc.

$7.11B

$144.84IndustrialsAt close: Aug 7, 2026, 4:00 PM ET

AMTM

Amentum Holdings, Inc.

$6.05B

$24.77IndustrialsAt close: Aug 7, 2026, 4:00 PM ET

Total return — ACA vs AMTM

growth of $100 · dividends reinvested · last 2y

ACA +56.3%AMTM -16.1%ACA compounded faster

ACA AMTM

ACA vs AMTM: by the numbers

•ACA is the larger company ($7.11B vs $6.05B market cap).
•ACA trades at the lower trailing earnings multiple (16.18 vs 41.28 P/E), one valuation lens rather than an overall verdict.
•ACA converts more revenue to profit (17.90% vs 1.04% net margin).
•ACA pays a dividend (0.14% yield), while AMTM has no payments in the available dividend history.

Metrics side by side

Valuation

Metric	ACA	AMTM
P/E ratio	16.18	41.28
Forward P/E	33.85	N/A
P/S ratio	2.60	0.43
P/B ratio	2.40	1.32
PEG ratio	0.21	N/A
EV / EBITDA	18.17	9.64
FCF yield	1.51%	7.41%

Profitability

Metric	ACA	AMTM
Gross margin	23.04%	7.91%
Operating margin	8.11%	3.70%
Net margin	17.90%	1.04%
ROE	16.57%	3.21%
ROIC	6.71%	2.80%

Dividends

Metric	ACA	AMTM
Dividend yield	0.14%	N/A
Payout ratio	4.71%	N/A

Growth (annualized)

Metric	ACA	AMTM
Revenue CAGR (5Y)	7.59%	N/A
EPS CAGR (5Y)	14.08%	N/A
FCF CAGR (5Y)	-0.51%	N/A
Total return CAGR (5Y)	23.37%	N/A

Frequently asked

Which has the lower trailing P/E, ACA or AMTM?: ACA has the lower trailing P/E: ACA trades at 16.18 and AMTM at 41.28. P/E is one valuation measure and does not by itself establish which business is cheaper.
Does ACA or AMTM pay a bigger dividend?: ACA pays a dividend (0.14% yield), while AMTM has no payments in the available dividend history.
Is ACA or AMTM more profitable?: ACA runs the higher net margin — ACA at 17.90% versus AMTM at 1.04%.

Go deeper

Full ACA analysis Full AMTM analysis Interactive comparison tool

Dig into the metrics

Arcosa P/E ratio Amentum P/E ratio Arcosa dividend yield Amentum dividend yield Arcosa ROE Amentum ROE Arcosa operating margin Amentum operating margin Arcosa revenue growth Amentum revenue growth Arcosa free cash flow Amentum free cash flow

Arcosa & Amentum appear in these rankings

Highest FCF Yield Stocks

Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified August 9, 2026.