Which has grown faster, IONQ or MKSI?

Over the past five years, IONQ grew revenue faster — IONQ at a 308.08% CAGR versus MKSI at 10.04%.

Does IONQ or MKSI pay a bigger dividend?

MKSI pays a dividend (0.34% yield), while IONQ has no payments in the available dividend history.

Is IONQ or MKSI more profitable?

MKSI runs the higher net margin — IONQ at -573.62% versus MKSI at 10.12%.

How have IONQ and MKSI total returns compared?

Over the past 5 years, IONQ delivered 35.02% and MKSI delivered 19.98% annualized total return. Past performance doesn't predict future results.

IonQ, Inc. (IONQ) vs MKS Inc. (MKSI)

A side-by-side comparison of IonQ, Inc. and MKS Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of August 23, 2026. Differences are shown without an overall score or investment verdict.

IONQ

IonQ, Inc.

$16.74B

$44.86TechnologyAt close: Aug 21, 2026, 4:00 PM ET

MKSI

MKS Inc.

$18.85B

$279.11TechnologyAt close: Aug 21, 2026, 4:00 PM ET

Total return — IONQ vs MKSI

growth of $100 · dividends reinvested · last 6y

IONQ +315.4% (+26.8%/yr)MKSI +92.8% (+11.6%/yr)IONQ compounded faster over this window

IONQ MKSI

IONQ vs MKSI: by the numbers

•MKSI is the larger company ($18.85B vs $16.74B market cap).
•MKSI is profitable (10.12% net margin) while IONQ runs a net loss (-573.62%).
•IONQ grew revenue faster over the past five years (308.08% vs 10.04% CAGR).
•MKSI pays a dividend (0.34% yield), while IONQ has no payments in the available dividend history.

Metrics side by side

Valuation

Metric	IONQ	MKSI
P/E ratio	N/A	44.52
Forward P/E	N/A	21.25
P/S ratio	66.92	4.67
P/B ratio	4.96	6.79
EV / EBITDA	N/A	22.52
FCF yield	N/A	2.24%

Profitability

Metric	IONQ	MKSI
Gross margin	36.29%	44.12%
Operating margin	-487.41%	16.49%
Net margin	-573.62%	10.12%
ROE	-42.49%	14.73%
ROIC	-15.57%	8.17%

Dividends

Metric	IONQ	MKSI
Dividend yield	N/A	0.34%
Payout ratio	N/A	21.41%

Growth (annualized)

Metric	IONQ	MKSI
Revenue CAGR (5Y)	308.08%	10.04%
EPS CAGR (5Y)	N/A	-7.12%
FCF CAGR (5Y)	N/A	3.03%
Total return CAGR (5Y)	35.02%	15.52%

Frequently asked

Which has grown faster, IONQ or MKSI?: Over the past five years, IONQ grew revenue faster — IONQ at a 308.08% CAGR versus MKSI at 10.04%.
Does IONQ or MKSI pay a bigger dividend?: MKSI pays a dividend (0.34% yield), while IONQ has no payments in the available dividend history.
Is IONQ or MKSI more profitable?: MKSI runs the higher net margin — IONQ at -573.62% versus MKSI at 10.12%.
How have IONQ and MKSI total returns compared?: Over the past 5 years, IONQ delivered 35.02% and MKSI delivered 19.98% annualized total return. Past performance doesn't predict future results.

Go deeper

Full IONQ analysis Full MKSI analysis Interactive comparison tool

Dig into the metrics

MKS P/E ratio MKS dividend yield IonQ ROE MKS ROE IonQ operating margin MKS operating margin IonQ revenue growth MKS revenue growth IonQ free cash flow MKS free cash flow

IonQ & MKS 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 23, 2026.