Amentum Holdings, Inc. (AMTM) vs Plexus Corp. (PLXS)

PLXS leads on 5 of 9 compared metrics.

A side-by-side comparison of Amentum Holdings, Inc. and Plexus Corp. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of July 25, 2026. The ● marks the stronger figure on each row (cheaper multiple, higher margin/return).

Compare
Amentum Holdings, Inc. logo
AMTM
Amentum Holdings, Inc.
$5.50B
$22.55IndustrialsAt close: Jul 24, 2026, 4:00 PM ET
Plexus Corp. logo
PLXS
Plexus Corp.
$6.81B
$254.45TechnologyAt close: Jul 24, 2026, 4:00 PM ET

Total return — AMTM vs PLXS

growth of $100 · dividends reinvested · last 2y
AMTM -23.6%PLXS +92.2%PLXS compounded faster
50100150200Start $10020252026$76$192
AMTM PLXS

AMTM vs PLXS: by the numbers

  • •PLXS is the larger company ($6.81B vs $5.50B market cap).
  • •PLXS trades at the lower earnings multiple (37.20 vs 37.58 P/E).
  • •PLXS converts more revenue to profit (4.35% vs 1.04% net margin).

Metrics side by side

Valuation

MetricAMTMPLXS
P/E ratio37.5837.20
Forward P/E—31.04
P/S ratio0.39●1.62
P/B ratio1.20●4.67
PEG ratio—0.40
EV / EBITDA9.10●23.07
FCF yield8.14%●1.09%

Profitability

MetricAMTMPLXS
Gross margin7.91%10.05%●
Operating margin3.70%5.17%●
Net margin1.04%4.35%●
ROE3.21%12.59%●
ROIC2.80%11.13%●

Growth (annualized)

MetricAMTMPLXS
Revenue CAGR (5Y)—4.36%
EPS CAGR (5Y)—10.10%
FCF CAGR (5Y)—-18.53%
Total return CAGR (5Y)—24.12%

Frequently asked

Is AMTM or PLXS cheaper?
On trailing earnings, PLXS is cheaper: AMTM trades at a 37.58 P/E and PLXS at 37.20.
Is AMTM or PLXS more profitable?
PLXS runs the higher net margin — AMTM at 1.04% versus PLXS at 4.35%.

Go deeper

Full AMTM analysisFull PLXS analysisInteractive comparison tool

Dig into the metrics

Amentum P/E ratioPlexus P/E ratioAmentum dividend yieldPlexus dividend yieldAmentum ROEPlexus ROEAmentum operating marginPlexus operating marginAmentum revenue growthPlexus revenue growthAmentum free cash flowPlexus free cash flow

Amentum & Plexus appear in these rankings

Highest FCF Yield StocksBest 10-Year Total Return 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 July 25, 2026.