MetaCap

MKS (MKSI) vs Onto Innovation (ONTO)

Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 9, 2026.

Summary

Onto Innovation (ONTO) has outperformed MKS (MKSI) over the past year, gaining 110.4% versus a gain of 95.8%. Over five years, ONTO leads with a +305.4% price change compared with +80.0% for MKSI. MKS is the larger company by market cap ($17.88 billion vs $14.45 billion), about 1.2 times the size.

On valuation, MKS trades at a lower forward P/E (15.1x vs 25.2x for Onto Innovation). MKS pays a dividend yielding 0.36%, while Onto Innovation does not currently pay one. Onto Innovation converts more of its revenue into profit, with a net margin of 13.6% versus 7.5%.

Summary generated from market data by MetaCap's automated system. Methodology

Relative performance

MKSI+95.82%ONTO+110.37%
+247%+111%-25%
Oct 8, 20251 yearOct 8, 2026
MKSI+82.51%ONTO+307.22%
+386%+153%-79%
Oct 4, 20215 yearsOct 5, 2026

Percent change in share price from the first common trading day shown; excludes dividends.

Head-to-head

MKSI versus ONTO key metrics
MetricMKSIONTO
Share price$264.50$294.53
Market cap$17.88B$14.45B
1-day change+1.58%+0.64%
YTD return+62.94%+85.40%
1-year return+95.82%+110.37%
5-year return+79.98%+305.36%
P/E ratio (TTM)42.05110.73
Forward P/E15.0725.18
EPS (TTM)$6.29$2.66
Dividend yield0.36%0.00%
Annual dividend$0.94$0.00
Revenue (latest FY)$3.93B$1.01B
Revenue growth (YoY)+9.62%+1.82%
Net income (latest FY)$295.00M$136.76M
Gross margin46.73%49.72%
Operating margin13.43%13.22%
Net margin7.50%13.60%
52-week high$447.62$386.46
52-week low$120.91$118.97
Distance from 52-week high-40.91%-23.79%
Analyst consensusnonestrong_buy
Avg. price target upside+55.33%+31.57%
Average volume1.33M991.18K
Shares outstanding67.62M49.07M
Employees10,2001,867
SectorIndustrialsIndustrials
IndustryIndustrial Machinery/ComponentsIndustrial Machinery/Components

Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.

Key differences

  • ONTO has outperformed MKSI by 14.6 percentage points over the past year.
  • Onto Innovation trades at a higher earnings multiple (110.7x vs 42.1x trailing P/E).
  • Onto Innovation is more profitable, keeping 13.6 cents of every revenue dollar as net income versus 7.5 cents for MKS.
  • MKS grew revenue faster in its latest fiscal year (+9.62% vs +1.82%).

About MKS

MKSI stock →

MKS Inc. provides foundational technology solutions to semiconductor manufacturing, electronics and packaging, and specialty industrial applications in the United States, China, South Korea, Japan, Taiwan, Singapore, and internationally.

Industrials · Industrial Machinery/Components · 10,200 employees

About Onto Innovation

ONTO stock →

Onto Innovation Inc. engages in the design, development, manufacture, and support of process control tools that perform macro-defect inspection and metrology in the United States, Taiwan, South Korea, Japan, China, Southeast Asia, Asia, and Europe.

Industrials · Industrial Machinery/Components · 1,867 employees

MKSI vs ONTO FAQ

Which is bigger, MKS or Onto Innovation?

MKS (MKSI) is larger, with a market capitalization of $17.88B compared with $14.45B for Onto Innovation (ONTO).

Which stock has performed better over the past year, MKSI or ONTO?

ONTO returned +110.37% over the past 12 months, compared with +95.82% for MKSI (price return, excluding dividends). Past performance does not predict future results.

Which has the lower P/E ratio, MKSI or ONTO?

MKSI has the lower trailing P/E at 42.1, versus 110.7 for ONTO. A lower P/E is not by itself a sign of a better investment; it can reflect slower expected growth or higher risk.

Which pays a higher dividend, MKS or Onto Innovation?

MKS pays a dividend yielding 0.36%, while Onto Innovation does not currently pay a regular dividend.

Are MKS and Onto Innovation in the same industry?

Yes. Both are classified in the Industrial Machinery/Components industry within the Industrials sector.

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