Which has grown faster, AAOI or S?

Over the past five years, S grew revenue faster — AAOI at a 20.68% CAGR versus S at 51.53%.

How have AAOI and S total returns compared?

Over the past 5 years, AAOI delivered 69.92% and S delivered -20.88% annualized total return. Past performance doesn't predict future results.

Applied Optoelectronics, Inc. (AAOI) vs SentinelOne, Inc. (S)

A side-by-side comparison of Applied Optoelectronics, Inc. and SentinelOne, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of September 13, 2026. Differences are shown without an overall score or investment verdict.

AAOI

Applied Optoelectronics, Inc.

$7.68B

$95.76TechnologyDelayed quote: Sep 14, 2026, 4:00 PM EDT

SentinelOne, Inc.

$7.61B

$22.61TechnologyDelayed quote: Sep 14, 2026, 4:00 PM EDT

Total return — AAOI vs S

growth of $100 · dividends reinvested · last 5y

AAOI +1115.2% (+64.8%/yr)S -53.5% (-14.2%/yr)AAOI compounded faster over this window

Log scale — wide-divergence pair

AAOI S

AAOI vs S: by the numbers

•AAOI is the larger company ($7.68B vs $7.61B market cap).
•Both run net losses; AAOI's is the smaller (-9.57% vs -30.95% net margin).
•S grew revenue faster over the past five years (51.53% vs 20.68% CAGR).

Metrics side by side

Valuation

Metric	AAOI	S
Forward P/E	129.41	70.86
P/S ratio	12.89	6.93
P/B ratio	4.61	5.26
FCF yield	N/A	0.50%

Profitability

Metric	AAOI	S
Gross margin	28.92%	73.29%
Operating margin	-11.31%	-26.99%
Net margin	-9.57%	-30.95%
ROE	-3.42%	-23.48%
ROIC	-3.49%	-17.52%

Growth (annualized)

Metric	AAOI	S
Revenue CAGR (5Y)	20.68%	51.53%
Total return CAGR (5Y)	69.92%	-20.88%

Frequently asked

Which has grown faster, AAOI or S?: Over the past five years, S grew revenue faster — AAOI at a 20.68% CAGR versus S at 51.53%.
How have AAOI and S total returns compared?: Over the past 5 years, AAOI delivered 69.92% and S delivered -20.88% annualized total return. Past performance doesn't predict future results.

Go deeper

Full AAOI analysis Full S analysis Interactive comparison tool

Dig into the metrics

Applied Optoelectronics ROE SentinelOne ROE Applied Optoelectronics operating margin SentinelOne operating margin Applied Optoelectronics revenue growth SentinelOne revenue growth Applied Optoelectronics free cash flow SentinelOne free cash flow

Applied Optoelectronics & SentinelOne 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 September 13, 2026.