Which has grown faster, IONQ or ONTO?

Over the past five years, IONQ grew revenue faster — IONQ at a 308.08% CAGR versus ONTO at 11.67%.

Is IONQ or ONTO more profitable?

ONTO runs the higher net margin — IONQ at -573.62% versus ONTO at 11.84%.

How have IONQ and ONTO total returns compared?

Over the past 5 years, IONQ delivered 29.72% and ONTO delivered 29.60% annualized total return. Past performance doesn't predict future results.

IonQ, Inc. (IONQ) vs Onto Innovation Inc. (ONTO)

A side-by-side comparison of IonQ, Inc. and Onto Innovation 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.

IONQ

IonQ, Inc.

$16.41B

$43.97TechnologyDelayed quote: Oct 1, 2026, 3:55 PM EDT

ONTO

Onto Innovation Inc.

$15.58B

$313.24TechnologyDelayed quote: Oct 1, 2026, 3:55 PM EDT

Total return — IONQ vs ONTO

growth of $100 · dividends reinvested · last 6y

IONQ +240.3% (+22.6%/yr)ONTO +491.5% (+34.5%/yr)ONTO compounded faster over this window

IONQ ONTO

IONQ vs ONTO: by the numbers

•IONQ is the larger company ($16.41B vs $15.58B market cap).
•ONTO is profitable (11.84% net margin) while IONQ runs a net loss (-573.62%).
•IONQ grew revenue faster over the past five years (308.08% vs 11.67% CAGR).

Metrics side by side

Valuation

Metric	IONQ	ONTO
P/E ratio	N/A	117.76
Forward P/E	N/A	38.60
P/S ratio	66.59	13.91
P/B ratio	4.93	8.10
EV / EBITDA	N/A	64.11
FCF yield	N/A	1.62%

Profitability

Metric	IONQ	ONTO
Gross margin	36.29%	50.36%
Operating margin	-487.41%	12.48%
Net margin	-573.62%	11.84%
ROE	-42.49%	6.90%
ROIC	-15.57%	3.42%

Growth (annualized)

Metric	IONQ	ONTO
Revenue CAGR (5Y)	308.08%	11.67%
EPS CAGR (5Y)	N/A	-0.96%
FCF CAGR (5Y)	N/A	15.11%
Total return CAGR (5Y)	29.72%	29.60%

Frequently asked

Which has grown faster, IONQ or ONTO?: Over the past five years, IONQ grew revenue faster — IONQ at a 308.08% CAGR versus ONTO at 11.67%.
Is IONQ or ONTO more profitable?: ONTO runs the higher net margin — IONQ at -573.62% versus ONTO at 11.84%.
How have IONQ and ONTO total returns compared?: Over the past 5 years, IONQ delivered 29.72% and ONTO delivered 29.60% annualized total return. Past performance doesn't predict future results.

Go deeper

Full IONQ analysis Full ONTO analysis Interactive comparison tool

Dig into the metrics

Onto Innovation P/E ratio IonQ ROE Onto Innovation ROE IonQ operating margin Onto Innovation operating margin IonQ revenue growth Onto Innovation revenue growth IonQ free cash flow Onto Innovation free cash flow

IonQ & Onto Innovation 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.