KLAC vs MKSI vs RAL Stock Comparison

Kla, Mks and Ralliant Prices as of Oct 28, 2026 Peers: Industry group
KLAC Kla Corp
$158.77 -16.1% 1M +31.6% 1Y
Market cap
$223.34B
P/E
44.5x
Revenue (TTM)
$14.06B
Div. yield
–
Semiconductor Equipment Technology
2 wins
MKSI Mks Inc
$218.24 -15.5% 1M +55.4% 1Y
Market cap
$14.94B
P/E
34.0x
Revenue (TTM)
$4.35B
Div. yield
0.00%
Semiconductor Equipment Technology
6 wins
RAL Ralliant Corp
$69.83 -0.2% 1M +62.5% 1Y
Market cap
$7.85B
P/E
–
Revenue (TTM)
$2.19B
Div. yield
–
Test and Measurement Technology
3 wins

Head to Head

11 decided of 12

Mks leads on 6 of the 12 questions below (Mks 6, Ralliant 3, Kla 2). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionKLACMKSIRALLeader
Larger companyMarket capitalisation $223.34B $14.94B $7.85B KLAC
Cheaper on earningsLower P/E, profitable companies only 44.5x 34.0x -6.4x MKSI
Cheaper on forward earningsLower price / next fiscal year consensus EPS 28.0x 16.2x 22.8x MKSI
Faster revenue growthRevenue growth, trailing twelve months +12.2% +16.3% +5.9% MKSI
More profitableNet margin, trailing twelve months — 10.1% -56.4% MKSI
Better return on capitalReturn on invested capital — 8.9% -43.2% MKSI
Less leveragedLower net debt / EBITDA — 3.2x -0.8x RAL
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months +31.6% +55.4% +62.5% RAL
Better 5-year returnAnnualised price return, 5 years +33.6%/yr +7.8%/yr — KLAC
Less volatileAnnualised volatility, 1 year 61.5% 61.8% 55.0% RAL
Higher overall scoreMean of the five percentile scores vs peers 43/100 56/100 28/100 MKSI

Percentile Scorecard

KLACMKSIRAL

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

AxisKLACMKSIRAL
Valuation 36 #61 of 94 76 #23 of 94 31 #77 of 111
Growth 54 #43 of 92 73 #26 of 92 4 #104 of 108
Profitability 92 #8 of 90 65 #32 of 90 23 #80 of 104
Financial Health 5 #94 of 99 1 #98 of 99 20 #92 of 115
Shareholder Returns 29 #52 of 73 65 #26 of 73 62 #30 of 78
Overall 43 56 28
  • KLAC ranked among 103 companies in Semiconductors
  • MKSI ranked among 103 companies in Semiconductors
  • RAL ranked among 121 companies in Computer Hardware

Price Performance

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

Returns

PeriodKLACMKSIRALSPY
1 month -16.1%-15.5%-0.2% +0.9%
3 months -6.7%-15.3%+4.3% +5.9%
6 months -12.6%-17.8%+60.1% +8.5%
Year to date +30.7%+36.6%+37.2% +13.3%
1 year +31.6%+55.4%+62.5% +12.4%
3 years +246.7%+224.9%— +88.1%
3 years, per year +51.4%+48.2%— +23.5%
5 years +325.9%+45.4%— +68.2%
5 years, per year +33.6%+7.8%— +11.0%
10 years +2,026.6%+339.6%— +263.4%
10 years, per year +35.8%+16.0%— +13.8%

Risk

MeasureKLACMKSIRALSPY
Volatility, 1Y 61.5%61.8%55.0% 12.7%
Downside volatility, 1Y 65.7%66.1%64.3% 12.7%
Beta vs S&P 500, 1Y 2.802.821.71 1.00
Return / volatility, 1Y 0.510.901.14 0.98
Max drawdown, 5Y -51.7%-67.5%-31.8% -25.4%
From 52-week high -47.4%-50.9%-5.7% -0.9%
52-week high $301.71$444.80$74.04 $779.14
52-week low $109.71$137.20$38.39 $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.

MultipleKLACMKSIRAL
P/E now vs peer median 41.5xmedian 46.0x 33.5xmedian 46.0x -6.3xmedian 33.5x
P/S now vs peer median 14.8xmedian 7.9x 3.4xmedian 7.9x 3.5xmedian 2.8x
EV/EBITDA now vs peer median —median 28.3x 17.3xmedian 28.3x -8.2xmedian 19.6x
P/FCF now vs peer median 68.2xmedian 41.4x 32.4xmedian 41.4x 23.6xmedian 29.8x
P/B now vs peer median 31.8xmedian 4.6x 4.9xmedian 4.6x 5.0xmedian 2.9x
PEG now vs peer median 2.20median 2.30 1.09median 2.30 —median 1.10

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 monthsKLACMKSIRAL
Revenue $14.06B $4.35B $2.19B
Gross profit – $2.04B $1.11B
Operating income – $681.00M -$1.17B
Net income $5.02B $439.00M -$1.23B
Free cash flow – $455.00M $327.70M
R&D $1.53B $310.00M $170.10M
EPS (diluted) $3.80 $6.05 $-10.95
Cash & equivalents $1.53B $611.00M $270.90M
Total debt – $3.94B $1.15B
Shares (diluted) 1.32B 72.70M 112.60M
Enterprise value $223.34B $12.39B $6.73B

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
MetricKLACMKSIRAL
P/E 41.5x 33.5x -6.3x
P/FCF 68.2x 32.4x 23.6x
P/Operating cash flow 43.5x 23.2x 21.2x
P/S 14.8x 3.4x 3.5x
P/B 31.8x 4.9x 5.0x
P/Tangible book 32.9x 15.2x 9.7x
EV/EBITDA – 17.3x -8.2x
EV/EBIT – 26.6x -7.4x
EV/Revenue 14.8x 4.2x 3.9x
EV/FCF – 39.7x 26.2x
EV/Operating cash flow 43.5x 28.5x 23.6x
PEG (3Y EPS CAGR) 2.20 1.09 –

Growth

14 metrics
MetricKLACMKSIRAL
Revenue growth (1Y) 12.2% 16.3% 5.9%
Revenue CAGR (3Y) 11.4% 4.2% –
Gross profit growth (1Y) – 15.4% 5.7%
Gross profit CAGR (3Y) – 6.7% –
Operating income growth (1Y) – 33.5% -436.8%
Operating income CAGR (3Y) – 35.4% –
Net income growth (1Y) 18.4% 64.4% -532.3%
Net income CAGR (3Y) 17.4% 31.0% –
EPS growth (1Y) 18.8% 52.8% -532.7%
EPS CAGR (3Y) 18.9% 30.7% –
Operating cash flow growth (1Y) 12.2% -1.6% -20.1%
Operating cash flow CAGR (3Y) 10.4% 20.7% –
Free cash flow growth (1Y) – -13.3% -21.7%
Free cash flow CAGR (3Y) – 22.9% –

Profitability

14 metrics
MetricKLACMKSIRAL
Gross margin – 47.0% 50.9%
EBITDA margin – 24.0% -47.8%
Operating margin – 15.7% -53.3%
Pretax margin – 11.2% -56.1%
Net margin – 10.1% -56.4%
FCF margin – 10.5% 15.0%
Operating cash flow margin 33.9% 14.6% 16.7%
Return on equity 77.9% 15.2% -79.5%
Return on assets 27.6% 5.0% -33.3%
Return on invested capital – 8.9% -43.2%
Return on capital employed – 10.6% -38.0%
Asset turnover 0.8x 0.5x 0.6x
Cash conversion (OCF / net income) 1.0x 1.4x -0.3x
Stock comp / revenue 2.2% 1.3% 3.0%

Financial Health

11 metrics
MetricKLACMKSIRAL
Debt / assets – 44.1% 31.0%
Debt / equity – 1.3x 0.7x
Net debt / EBITDA – 3.2x -0.8x
Debt / FCF – 8.7x 3.5x
Liabilities / assets 64.6% 66.6% 58.6%
Equity / assets 35.4% 33.4% 41.4%
Interest coverage – 3.7x -19.2x
Current ratio 2.8x 1.1x 1.5x
Quick ratio – 0.6x 0.9x
Cash ratio – 0.3x 0.4x
Altman Z-score – 2.42 1.32

Shareholder Returns

7 metrics
MetricKLACMKSIRAL
Dividend yield 0.3% 0.4% 0.3%
Net buyback yield – – 2.0%
Shareholder yield 0.3% 0.4% 2.2%
Payout ratio (earnings) – 14.4% –
Payout ratio (FCF) – 13.8% –
Dividend growth (1Y) – 6.8% –
Dividend CAGR (3Y) – 3.4% –

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.

ConsensusKLACMKSIRAL
Forward P/E 28.0xFY2027 16.2xFY2026 22.8xFY2026
EPS, next fiscal year $5.67FY2027 $13.48FY2026 $3.06FY2026
EPS growth, next FY +50.8%FY2027 +71.1%FY2026 +13.8%FY2026
EPS growth, the year after +16.6% +34.9% +14.1%
Revenue, next fiscal year $19.18BFY2027 $5.43BFY2026 $2.45BFY2026
Revenue growth, next FY +41.2%FY2027 +38.1%FY2026 +18.5%FY2026
Revenue growth, the year after +8.6% +8.0% +5.8%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersKLACMKSIRAL
Held by institutions 91.0% 100.0% 100.0%
Institutions holding 2,478 775 533
Change in shares held, QoQ +4.2% +2.8% +1.7%
Institutions buying 1,285 455 251
Institutions selling 982 252 165
Buyers to sellers 1.31 1.81 1.52

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.

KLACMKSIRAL
KLAC 1.00 0.79 0.27
MKSI 0.79 1.00 0.32
RAL 0.27 0.32 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, KLAC, MKSI and RAL?

Kla (KLAC) is the largest by market capitalisation: Kla (KLAC) $223.34B, Mks (MKSI) $14.94B, Ralliant (RAL) $7.85B.

Which stock is cheaper, KLAC, MKSI and RAL?

Mks (MKSI) trades on the lowest price-to-earnings ratio (Kla (KLAC) 44.5x, Mks (MKSI) 34.0x, Ralliant (RAL) -6.4x). On next year's consensus earnings, Mks (MKSI) is cheapest (Kla (KLAC) 28.0x, Mks (MKSI) 16.2x, Ralliant (RAL) 22.8x). 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: Kla (KLAC) +12.2%, Mks (MKSI) +16.3%, Ralliant (RAL) +5.9%.

Which company is more profitable?

Mks (MKSI) has the highest net margin (Mks (MKSI) 10.1%, Ralliant (RAL) -56.4%). On return on invested capital, Mks (MKSI) leads (Mks (MKSI) 8.9%, Ralliant (RAL) -43.2%).

Which stock has performed better?

Over the past year Ralliant (RAL) returned the most: Kla (KLAC) +31.6%, Mks (MKSI) +55.4%, Ralliant (RAL) +62.5%. Over five years, Kla (KLAC) compounded fastest (Kla (KLAC) +33.6%/yr, Mks (MKSI) +7.8%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Kla (KLAC) 0.00%, Mks (MKSI) 0.00%, Ralliant (RAL) 0.00%. Kla (KLAC) and Ralliant (RAL) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Ralliant (RAL) has been the steadiest (Kla (KLAC) 61.5%, Mks (MKSI) 61.8%, Ralliant (RAL) 55.0%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, KLAC, MKSI and RAL?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Mks (MKSI) leads on 6. 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.