MKSI vs ONTO vs PPG Stock Comparison

Mks, Onto Innovation and Ppg Industries Prices as of Oct 28, 2026 Peers: Industry group
MKSI Mks Inc
$218.24 -15.5% 1M +55.4% 1Y
Market cap
$14.62B
P/E
33.2x
Revenue (TTM)
$4.35B
Div. yield
0.00%
Semiconductor Equipment Technology
1 win
ONTO Onto Innovation Inc.
$223.75 -22.5% 1M +71.2% 1Y
Market cap
$10.94B
P/E
82.5x
Revenue (TTM)
$1.12B
Div. yield
–
Semiconductor Equipment Technology
3 wins
PPG Ppg Industries Inc
$118.58 +10.9% 1M +12.6% 1Y
Market cap
$26.65B
P/E
17.0x
Revenue (TTM)
$16.69B
Div. yield
0.02%
Paints and Coatings Basic Materials
8 wins

Head to Head

12 decided of 12

Ppg Industries leads on 8 of the 12 questions below (Ppg Industries 8, Onto Innovation 3, Mks 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionMKSIONTOPPGLeader
Larger companyMarket capitalisation $14.62B $10.94B $26.65B PPG
Cheaper on earningsLower P/E, profitable companies only 33.2x 82.5x 17.0x PPG
Cheaper on forward earningsLower price / next fiscal year consensus EPS 16.2x 26.6x 14.5x PPG
Faster revenue growthRevenue growth, trailing twelve months +16.3% +8.1% +6.4% MKSI
More profitableNet margin, trailing twelve months 10.1% 11.8% 9.4% ONTO
Better return on capitalReturn on invested capital 8.9% — 11.1% PPG
Less leveragedLower net debt / EBITDA 3.2x — 1.9x PPG
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.02% PPG
Better 1-year returnPrice return, last 12 months +55.4% +71.2% +12.6% ONTO
Better 5-year returnAnnualised price return, 5 years +7.8%/yr +23.1%/yr -5.9%/yr ONTO
Less volatileAnnualised volatility, 1 year 61.8% 72.3% 31.0% PPG
Higher overall scoreMean of the five percentile scores vs peers 56/100 59/100 67/100 PPG

Percentile Scorecard

MKSIONTOPPG

Each axis is the mean percentile of its metrics against the company's industry group. 100 is the best in the group, 50 the middle.

Scores by Axis

AxisMKSIONTOPPG
Valuation 76 #23 of 94 58 #40 of 94 60 #38 of 94
Growth 73 #26 of 92 31 #64 of 92 71 #27 of 91
Profitability 65 #32 of 90 60 #37 of 90 83 #15 of 84
Financial Health 1 #98 of 99 55 #45 of 99 51 #47 of 94
Shareholder Returns 65 #26 of 73 93 #6 of 73 71 #21 of 69
Overall 56 59 67
  • MKSI ranked among 103 companies in Semiconductors
  • ONTO ranked among 103 companies in Semiconductors
  • PPG ranked among 99 companies in Chemicals

Price Performance

Price return, split-adjusted, before dividends. Click a name to hide or show it.

Returns

PeriodMKSIONTOPPGSPY
1 month -15.5%-22.5%+10.9% +0.9%
3 months -15.3%+2.4%+6.0% +5.9%
6 months -17.8%-21.3%+13.3% +8.5%
Year to date +36.6%+41.7%+15.7% +13.3%
1 year +55.4%+71.2%+12.6% +12.4%
3 years +224.9%+94.8%-1.8% +88.1%
3 years, per year +48.2%+24.9%-0.6% +23.5%
5 years +45.4%+182.5%-26.2% +68.2%
5 years, per year +7.8%+23.1%-5.9% +11.0%
10 years +339.6%—+27.7% +263.4%
10 years, per year +16.0%—+2.5% +13.8%

Risk

MeasureMKSIONTOPPGSPY
Volatility, 1Y 61.8%72.3%31.0% 12.7%
Downside volatility, 1Y 66.1%73.2%31.4% 12.7%
Beta vs S&P 500, 1Y 2.823.181.05 1.00
Return / volatility, 1Y 0.900.990.41 0.98
Max drawdown, 5Y -67.5%-62.8%-47.0% -25.4%
From 52-week high -50.9%-40.9%-9.9% -0.9%
52-week high $444.80$378.45$131.56 $779.14
52-week low $137.20$124.09$94.34 $631.97

Valuation History

Weekly multiples on trailing twelve-month fundamentals. Negative or extreme readings (a loss year, a collapsed denominator) are left out so the chart stays readable.

MultipleMKSIONTOPPG
P/E now vs peer median 33.5xmedian 46.0x 83.4xmedian 46.0x 16.8xmedian 22.0x
P/S now vs peer median 3.4xmedian 7.9x 9.8xmedian 7.9x 1.6xmedian 1.4x
EV/EBITDA now vs peer median 17.3xmedian 28.3x 41.6xmedian 28.3x 11.3xmedian 12.4x
P/FCF now vs peer median 32.4xmedian 41.4x 43.5xmedian 41.4x 20.4xmedian 15.5x
P/B now vs peer median 4.9xmedian 4.6x 5.7xmedian 4.6x 3.0xmedian 1.7x
PEG now vs peer median 1.09median 2.30 -9.47median 2.30 2.99median 1.84

Financial History

Reported figures by fiscal period, placed on the calendar year (or quarter) each period ended in, so companies with different fiscal years line up.

Trailing twelve monthsMKSIONTOPPG
Revenue $4.35B $1.12B $16.69B
Gross profit $2.04B $564.06M $6.83B
Operating income $681.00M $134.61M $2.24B
Net income $439.00M $132.61M $1.57B
Free cash flow $455.00M $252.47M $1.28B
R&D $310.00M $142.63M $458.00M
EPS (diluted) $6.05 $2.67 $7.03
Cash & equivalents $611.00M $1.25B $1.59B
Total debt $3.94B – $6.84B
Shares (diluted) 72.70M 49.68M 223.20M
Enterprise value $12.07B $6.78B $19.57B

All Metrics

58 metrics · best in bold

Bold marks the best reading: the lowest positive value for multiples, leverage and payout, the highest for everything else. The bar under each value is its percentile against that company's own peers. Hover a value for its rank and the peer median.

Valuation

12 metrics
MetricMKSIONTOPPG
P/E 33.5x 83.4x 16.8x
P/FCF 32.4x 43.5x 20.4x
P/Operating cash flow 23.2x 41.2x 12.8x
P/S 3.4x 9.8x 1.6x
P/B 4.9x 5.7x 3.0x
P/Tangible book 15.2x 6.6x 3.9x
EV/EBITDA 17.3x 41.6x 11.3x
EV/EBIT 26.6x 67.5x 14.0x
EV/Revenue 4.2x 8.1x 1.9x
EV/FCF 39.7x 36.0x 24.5x
EV/Operating cash flow 28.5x 34.1x 15.3x
PEG (3Y EPS CAGR) 1.09 -9.47 2.99

Growth

14 metrics
MetricMKSIONTOPPG
Revenue growth (1Y) 16.3% 8.1% 6.4%
Revenue CAGR (3Y) 4.2% 7.7% 1.3%
Gross profit growth (1Y) 15.4% 5.6% 5.4%
Gross profit CAGR (3Y) 6.7% 5.4% 2.6%
Operating income growth (1Y) 33.5% -29.5% 4.1%
Operating income CAGR (3Y) 35.4% -8.3% 1.4%
Net income growth (1Y) 64.4% -33.7% 59.8%
Net income CAGR (3Y) 31.0% -8.6% 2.9%
EPS growth (1Y) 52.8% -34.5% 60.0%
EPS CAGR (3Y) 30.7% -8.8% 5.6%
Operating cash flow growth (1Y) -1.6% -2.5% 46.2%
Operating cash flow CAGR (3Y) 20.7% 17.7% -1.4%
Free cash flow growth (1Y) -13.3% 5.9% 79.3%
Free cash flow CAGR (3Y) 22.9% 22.0% -7.8%

Profitability

14 metrics
MetricMKSIONTOPPG
Gross margin 47.0% 50.4% 40.9%
EBITDA margin 24.0% 19.5% 16.6%
Operating margin 15.7% 12.0% 13.4%
Pretax margin 11.2% 14.1% 12.6%
Net margin 10.1% 11.8% 9.4%
FCF margin 10.5% 22.5% 7.7%
Operating cash flow margin 14.6% 23.8% 12.3%
Return on equity 15.2% 6.5% 18.5%
Return on assets 5.0% 4.4% 7.0%
Return on invested capital 8.9% – 11.1%
Return on capital employed 10.6% 4.8% 12.9%
Asset turnover 0.5x 0.4x 0.7x
Cash conversion (OCF / net income) 1.4x 2.0x 1.3x
Stock comp / revenue 1.3% 2.8% 0.3%

Financial Health

11 metrics
MetricMKSIONTOPPG
Debt / assets 44.1% – 30.3%
Debt / equity 1.3x – 0.8x
Net debt / EBITDA 3.2x – 1.9x
Debt / FCF 8.7x – 5.3x
Liabilities / assets 66.6% 48.0% 61.8%
Equity / assets 33.4% 52.0% 38.2%
Interest coverage 3.7x – 8.7x
Current ratio 1.1x 9.7x 1.6x
Quick ratio 0.6x 8.2x 1.1x
Cash ratio 0.3x 6.9x 0.3x
Altman Z-score 2.42 5.21 3.83

Shareholder Returns

7 metrics
MetricMKSIONTOPPG
Dividend yield 0.4% – 2.4%
Net buyback yield – 1.7% 1.6%
Shareholder yield 0.4% 1.7% 4.0%
Payout ratio (earnings) 14.4% – 40.8%
Payout ratio (FCF) 13.8% – 50.1%
Dividend growth (1Y) 6.8% – 2.4%
Dividend CAGR (3Y) 3.4% – 2.9%

Analyst Estimates

Solid lines are reported fiscal-year results; dashed lines are the consensus for the years ahead. Hover a year for the analysts' high and low, and how each result compared with its estimate.

ConsensusMKSIONTOPPG
Forward P/E 16.2xFY2026 26.6xFY2026 14.5xFY2026
EPS, next fiscal year $13.48FY2026 $8.42FY2026 $8.18FY2026
EPS growth, next FY +71.1%FY2026 +70.4%FY2026 +7.9%FY2026
EPS growth, the year after +34.9% +43.5% +10.6%
Revenue, next fiscal year $5.43BFY2026 $1.37BFY2026 $17.59BFY2026
Revenue growth, next FY +38.1%FY2026 +35.5%FY2026 +10.7%FY2026
Revenue growth, the year after +8.0% +41.1% -6.7%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersMKSIONTOPPG
Held by institutions 100.0% 98.3% 90.3%
Institutions holding 775 688 1,096
Change in shares held, QoQ +2.8% +2.3% +0.1%
Institutions buying 455 376 520
Institutions selling 252 232 356
Buyers to sellers 1.81 1.62 1.46

Return Correlation

Daily returns, last 12 months

1.00 means two stocks move in lockstep, 0 that they move independently. Pairs below about 0.5 diversify each other.

MKSIONTOPPG
MKSI 1.00 0.83 0.24
ONTO 0.83 1.00 0.25
PPG 0.24 0.25 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, MKSI, ONTO and PPG?

Ppg Industries (PPG) is the largest by market capitalisation: Mks (MKSI) $14.62B, Onto Innovation (ONTO) $10.94B, Ppg Industries (PPG) $26.65B.

Which stock is cheaper, MKSI, ONTO and PPG?

Ppg Industries (PPG) trades on the lowest price-to-earnings ratio (Mks (MKSI) 33.2x, Onto Innovation (ONTO) 82.5x, Ppg Industries (PPG) 17.0x). On next year's consensus earnings, Ppg Industries (PPG) is cheapest (Mks (MKSI) 16.2x, Onto Innovation (ONTO) 26.6x, Ppg Industries (PPG) 14.5x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Mks (MKSI) grew revenue fastest over the trailing twelve months: Mks (MKSI) +16.3%, Onto Innovation (ONTO) +8.1%, Ppg Industries (PPG) +6.4%.

Which company is more profitable?

Onto Innovation (ONTO) has the highest net margin (Mks (MKSI) 10.1%, Onto Innovation (ONTO) 11.8%, Ppg Industries (PPG) 9.4%). On return on invested capital, Ppg Industries (PPG) leads (Mks (MKSI) 8.9%, Ppg Industries (PPG) 11.1%).

Which stock has performed better?

Over the past year Onto Innovation (ONTO) returned the most: Mks (MKSI) +55.4%, Onto Innovation (ONTO) +71.2%, Ppg Industries (PPG) +12.6%. Over five years, Onto Innovation (ONTO) compounded fastest (Mks (MKSI) +7.8%/yr, Onto Innovation (ONTO) +23.1%/yr, Ppg Industries (PPG) -5.9%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Ppg Industries (PPG) has the highest dividend yield: Mks (MKSI) 0.00%, Onto Innovation (ONTO) 0.00%, Ppg Industries (PPG) 0.02%. Onto Innovation (ONTO) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Ppg Industries (PPG) has been the steadiest (Mks (MKSI) 61.8%, Onto Innovation (ONTO) 72.3%, Ppg Industries (PPG) 31.0%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, MKSI, ONTO and PPG?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Ppg Industries (PPG) leads on 8. Business Quant does not give investment advice; use the comparison as a starting point for your own research.

Data from SEC filings, exchange prices and consensus estimates, via Business Quant. Percentile scores compare each company with its own peer group, so two companies' scores are each relative to different peers unless you rank against the whole market. Price returns exclude dividends. Nothing on this page is investment advice.