Is AMTM or MRCY more profitable?

AMTM runs the higher net margin — AMTM at 1.44% versus MRCY at -3.02%.

Amentum Holdings, Inc. (AMTM) vs Mercury Systems, Inc. (MRCY)

A side-by-side comparison of Amentum Holdings, Inc. and Mercury Systems, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of October 6, 2026. Differences are shown without an overall score or investment verdict.

AMTM

Amentum Holdings, Inc.

$4.58B

$18.77IndustrialsDelayed quote: Oct 6, 2026, 4:00 PM EDT

MRCY

Mercury Systems, Inc.

$4.97B

$82.80IndustrialsDelayed quote: Oct 6, 2026, 4:00 PM EDT

Total return — AMTM vs MRCY

growth of $100 · dividends reinvested · last 2y

AMTM -38.2% (-21.4%/yr)MRCY +129.7% (+51.6%/yr)MRCY compounded faster over this window

AMTM MRCY

AMTM vs MRCY: by the numbers

•MRCY is the larger company ($4.97B vs $4.58B market cap).
•AMTM is profitable (1.44% net margin) while MRCY runs a net loss (-3.02%).

Metrics side by side

Valuation

Metric	AMTM	MRCY
P/E ratio	22.61	N/A
Forward P/E	7.11	49.66
P/S ratio	0.32	5.05
P/B ratio	0.98	3.32
EV / EBITDA	7.59	67.64
FCF yield	10.35%	1.31%

Profitability

Metric	AMTM	MRCY
Gross margin	8.73%	26.66%
Operating margin	4.10%	0.51%
Net margin	1.44%	-3.02%
ROE	4.35%	-1.98%
ROIC	4.71%	0.25%

Growth (annualized)

Metric	AMTM	MRCY
Revenue CAGR (5Y)	N/A	1.26%
FCF CAGR (5Y)	N/A	4.68%
Total return CAGR (5Y)	N/A	11.67%

Some values include inputs from SEC filing.

Frequently asked

Is AMTM or MRCY more profitable?: AMTM runs the higher net margin — AMTM at 1.44% versus MRCY at -3.02%.

Go deeper

Full AMTM analysis Full MRCY analysis Interactive comparison tool

Dig into the metrics

Amentum P/E ratio Amentum ROE Mercury Systems ROE Amentum operating margin Mercury Systems operating margin Amentum revenue growth Mercury Systems revenue growth Amentum free cash flow Mercury Systems free cash flow

Amentum & Mercury Systems 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 October 6, 2026.