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 35.77% and ONTO delivered 32.40% 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 August 16, 2026. Differences are shown without an overall score or investment verdict.

IONQ

IonQ, Inc.

$17.27B

$46.26TechnologyAt close: Aug 14, 2026, 4:00 PM ET

ONTO

Onto Innovation Inc.

$16.50B

$331.71TechnologyAt close: Aug 14, 2026, 4:00 PM ET

Total return — IONQ vs ONTO

growth of $100 · dividends reinvested · last 6y

IONQ +328.3% (+27.4%/yr)ONTO +588.9% (+37.9%/yr)ONTO compounded faster over this window

IONQ ONTO

IONQ vs ONTO: by the numbers

•IONQ is the larger company ($17.27B vs $16.50B 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	124.70
Forward P/E	N/A	66.76
P/S ratio	69.01	14.71
P/B ratio	5.11	8.57
EV / EBITDA	N/A	67.76
FCF yield	N/A	1.53%

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	-9.09%	5.18%

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)	35.77%	35.64%

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 35.77% and ONTO delivered 32.40% 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 August 16, 2026.