MetaCap

Amentum (AMTM) vs Shift4 Payments (FOUR)

Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.

Summary

Amentum (AMTM) has outperformed Shift4 Payments (FOUR) over the past year, losing 26.7% versus a loss of 50.1%. Amentum is the larger company by market cap ($4.64 billion vs $3.12 billion), about 1.5 times the size. On valuation, Shift4 Payments trades at a lower forward P/E (6.5x vs 7.2x for Amentum).

Shift4 Payments converts more of its revenue into profit, with a net margin of 2.8% versus 0.5%.

Summary generated from market data by MetaCap's automated system. Methodology

Relative performance

AMTM-26.69%FOUR-50.08%
+54%-3%-60%
Oct 7, 20251 yearOct 7, 2026
AMTM-27.89%FOUR-55.62%
+51%-6%-64%
Sep 23, 20245 yearsOct 5, 2026

Percent change in share price from the first common trading day shown; excludes dividends.

Head-to-head

AMTM versus FOUR key metrics
MetricAMTMFOUR
Share price$18.97$39.52
Market cap$4.64B$3.12B
1-day change+2.49%+1.36%
YTD return-36.17%-38.08%
1-year return-26.69%-50.08%
5-year return—-48.46%
P/E ratio (TTM)22.8662.73
Forward P/E7.196.52
EPS (TTM)$0.83$0.63
Dividend yield0.00%0.00%
Annual dividend$0.00$0.00
Revenue (latest FY)$14.39B$4.18B
Revenue growth (YoY)+71.59%+25.49%
Net income (latest FY)$66.00M$119.00M
Gross margin10.51%34.16%
Operating margin3.33%8.40%
Net margin0.46%2.85%
52-week high$38.11$80.00
52-week low$17.72$34.56
Distance from 52-week high-50.22%-50.60%
Analyst consensusbuybuy
Avg. price target upside+55.09%+36.39%
Average volume2.01M1.83M
Shares outstanding244.51M78.96M
Employees50,0006,300
SectorConsumer DiscretionaryConsumer Discretionary
IndustryBusiness ServicesBusiness Services

Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.

Key differences

  • AMTM has outperformed FOUR by 23.4 percentage points over the past year.
  • Shift4 Payments trades at a higher earnings multiple (62.7x vs 22.9x trailing P/E).
  • Amentum grew revenue faster in its latest fiscal year (+71.59% vs +25.49%).

About Amentum

AMTM stock →

Amentum Holdings, Inc. engages in the provision of engineering and technology solutions in the United States and internationally.

Consumer Discretionary · Business Services · 50,000 employees

About Shift4 Payments

FOUR stock →

Shift4 Payments, Inc. engages in the provision of software and payment processing solutions in the United States and internationally.

Consumer Discretionary · Business Services · 6,300 employees

AMTM vs FOUR FAQ

Which is bigger, Amentum or Shift4 Payments?

Amentum (AMTM) is larger, with a market capitalization of $4.64B compared with $3.12B for Shift4 Payments (FOUR).

Which stock has performed better over the past year, AMTM or FOUR?

AMTM returned -26.69% over the past 12 months, compared with -50.08% for FOUR (price return, excluding dividends). Past performance does not predict future results.

Which has the lower P/E ratio, AMTM or FOUR?

AMTM has the lower trailing P/E at 22.9, versus 62.7 for FOUR. A lower P/E is not by itself a sign of a better investment; it can reflect slower expected growth or higher risk.

Are Amentum and Shift4 Payments in the same industry?

Yes. Both are classified in the Business Services industry within the Consumer Discretionary sector.

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