Which has grown faster, AAOI or PTC?

Over the past five years, AAOI grew revenue faster — AAOI at a 15.77% CAGR versus PTC at 12.91%.

Is AAOI or PTC more profitable?

PTC runs the higher net margin — AAOI at -8.55% versus PTC at 41.58%.

Which has been the better investment, AAOI or PTC?

Over the past 10-year, AAOI delivered the higher annualized total return — AAOI at 32.46% versus PTC at 11.53%. Past performance doesn't predict future results.

Applied Optoelectronics, Inc. (AAOI) vs PTC Inc. (PTC)

PTC leads on 8 of 10 compared metrics.

A side-by-side comparison of Applied Optoelectronics, Inc. and PTC Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of June 23, 2026. The ● marks the stronger figure on each row (cheaper multiple, higher margin/return).

AAOI

Applied Optoelectronics, Inc.

Total return — AAOI vs PTC

growth of $100 · last 13y

AAOI +1619.2%PTC +303.5%AAOI compounded faster

AAOI PTC

AAOI vs PTC: by the numbers

•AAOI is the larger company ($13.74B vs $13.28B market cap).
•PTC is profitable (41.58% net margin) while AAOI runs a net loss (-8.55%).
•AAOI grew revenue faster over the past five years (15.77% vs 12.91% CAGR).

Which is better, AAOI or PTC?

Metric tally: AAOI 2 · PTC 8

It depends on what you're optimizing for:

GrowthAAOI(faster 5Y revenue CAGR)

QualityPTC(higher ROIC)

Metrics side by side

Valuation

Metric	AAOI	PTC
P/E ratio	—	10.96
Forward P/E	165.73	14.33●
P/S ratio	25.66	4.55●
P/B ratio	11.76	3.53●
PEG ratio	—	0.35
EV / EBITDA	—	8.36
FCF yield	—	6.81%

Profitability

Metric	AAOI	PTC
Gross margin	29.64%	84.31%●
Operating margin	-11.57%	38.71%●
Net margin	-8.55%	41.58%●
ROE	-3.92%	32.29%●
ROIC	-4.71%	14.43%●

Growth (annualized)

Metric	AAOI	PTC
Revenue CAGR (5Y)	15.77%●	12.91%
EPS CAGR (5Y)	—	40.20%
FCF CAGR (5Y)	—	21.95%
Total return CAGR (5Y)	82.46%●	-3.18%

Frequently asked

Which is better, AAOI or PTC?: It depends on your goal. growth: AAOI (faster 5Y revenue CAGR); quality: PTC (higher ROIC). Across all compared metrics, PTC leads 8 to 2.
Which has grown faster, AAOI or PTC?: Over the past five years, AAOI grew revenue faster — AAOI at a 15.77% CAGR versus PTC at 12.91%.
Is AAOI or PTC more profitable?: PTC runs the higher net margin — AAOI at -8.55% versus PTC at 41.58%.
Which has been the better investment, AAOI or PTC?: Over the past 10-year, AAOI delivered the higher annualized total return — AAOI at 32.46% versus PTC at 11.53%. Past performance doesn't predict future results.

Go deeper

Full AAOI analysis Full PTC analysis Interactive comparison tool

Dig into the metrics

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

Applied Optoelectronics & PTC appear in these rankings

Fastest Revenue Growth Stocks Highest ROE Stocks Highest Operating Margin Stocks 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 June 23, 2026.