Which has grown faster, AAOI or PLXS?

Over the past five years, AAOI grew revenue faster — AAOI at a 15.77% CAGR versus PLXS at 4.36%.

Is AAOI or PLXS more profitable?

PLXS runs the higher net margin — AAOI at -8.55% versus PLXS at 4.35%.

How have AAOI and PLXS total returns compared?

Over the past 10 years, AAOI delivered 22.61% and PLXS delivered 18.63% annualized total return. Past performance doesn't predict future results.

Applied Optoelectronics, Inc. (AAOI) vs Plexus Corp. (PLXS)

A side-by-side comparison of Applied Optoelectronics, Inc. and Plexus Corp. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of July 28, 2026. Differences are shown without an overall score or investment verdict.

AAOI

Applied Optoelectronics, Inc.

$7.07B

$88.14TechnologyDelayed quote: Jul 28, 2026, 4:00 PM EDT

PLXS

Plexus Corp.

$6.69B

$250.08TechnologyDelayed quote: Jul 28, 2026, 4:00 PM EDT

Total return — AAOI vs PLXS

growth of $100 · dividends reinvested · last 13y

AAOI +882.1%PLXS +585.4%AAOI compounded faster

AAOI PLXS

AAOI vs PLXS: by the numbers

•AAOI is the larger company ($7.07B vs $6.69B market cap).
•PLXS is profitable (4.35% net margin) while AAOI runs a net loss (-8.55%).
•AAOI grew revenue faster over the past five years (15.77% vs 4.36% CAGR).

Metrics side by side

Valuation

Metric	AAOI	PLXS
P/E ratio	N/A	37.04
Forward P/E	94.67	30.91
P/S ratio	14.66	1.61
P/B ratio	6.72	4.65
PEG ratio	N/A	0.40
EV / EBITDA	N/A	22.97
FCF yield	N/A	1.09%

Profitability

Metric	AAOI	PLXS
Gross margin	29.64%	10.05%
Operating margin	-11.57%	5.17%
Net margin	-8.55%	4.35%
ROE	-3.92%	12.59%
ROIC	-4.71%	11.13%

Growth (annualized)

Metric	AAOI	PLXS
Revenue CAGR (5Y)	15.77%	4.36%
EPS CAGR (5Y)	N/A	10.10%
FCF CAGR (5Y)	N/A	-18.53%
Total return CAGR (5Y)	68.47%	24.14%

Frequently asked

Which has grown faster, AAOI or PLXS?: Over the past five years, AAOI grew revenue faster — AAOI at a 15.77% CAGR versus PLXS at 4.36%.
Is AAOI or PLXS more profitable?: PLXS runs the higher net margin — AAOI at -8.55% versus PLXS at 4.35%.
How have AAOI and PLXS total returns compared?: Over the past 10 years, AAOI delivered 22.61% and PLXS delivered 18.63% annualized total return. Past performance doesn't predict future results.

Go deeper

Full AAOI analysis Full PLXS analysis Interactive comparison tool

Dig into the metrics

Applied Optoelectronics P/E ratio Plexus P/E ratio Applied Optoelectronics dividend yield Plexus dividend yield Applied Optoelectronics ROE Plexus ROE Applied Optoelectronics operating margin Plexus operating margin Applied Optoelectronics revenue growth Plexus revenue growth Applied Optoelectronics free cash flow Plexus free cash flow

Applied Optoelectronics & Plexus appear in these rankings

Fastest Revenue Growth Stocks Highest 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 28, 2026.