MKS (MKSI) Stock Fundamentals, Analysis & Risk Signals

Health score, price, valuation, risk signals, and key metrics at a glance.

MKS

NasdaqGS•Technology•Scientific & Technical Instruments

$239.27-28.04(-0.10%)Pre-market

Market Cap

$16.24B

P/E

36.9x

P/S

3.7x

P/B

5.4x

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. The company operates through Vacuum Solutions Division (VSD), Photonics Solutions Division (PSD), and Material Solutions Division (MSD) segments. Its VSD segment provides foundational technology solutions, including pressure measurement and control, flow measurement and control, gas and vapor delivery, gas composition analysis, electronic control technology, reactive gas generation and delivery, power generation and delivery, and fiber optic temperature and position sensing. The PSD segment offers range of solutions, which include lasers, photonics, optics, precision motion control, and vibration control. Its MSD segment develops, process, and manufactures technologies comprising advanced surface modification, electroless and electrolytic plating, and surface finishing for chemistry, equipment, and services markets, as well as high-technology applications. In addition, the company sells its products and services through direct sales, network of independent distributors, and sales representatives, as well as websites, including product catalogs. MKS Inc. was formerly known as MKS Instruments, Inc. and changed its name to MKS Inc. in May 2025. The company was incorporated in 1961 and is based in Andover, Massachusetts.

How this company scores

ExcellentMetricSide Score: 84/100

Strongest: Growth (24/25); weakest: Cash & Earnings Quality (18/25).

Profitability23/25

Growth24/25

Balance Sheet & Red Flags19/25

Cash & Earnings Quality18/25

Strengths

Growing revenueStrong marginsRising earningsCash-backed earnings

No red flags in the last 8 quarters.

Valuation vs. 5-year range

Today's multiple positioned against its own trailing range — a visual premium/discount check.

P/E · 36.9x5y range 10.3x – 1098.5x

Currently above its 16-quarter median.

P/S · 3.7x5y range 1.4x – 3.7x

Currently above its 20-quarter median.

P/B · 5.4x5y range 1.1x – 5.4x

Price & Volume

Market Cap $16.24B

Metrics at a Glance

as of June 2026

Revenue & Profit

Revenue, EBITDA, operating income, net income, EPS, and shares

TTM Revenue: $4.35B
Q. Revenue: $1.25B
TTM EBITDA: $1.02B
TTM Op. Income: $682.00M
Q. Op. Income: $251.00M
TTM Net Income: $440.00M
Q. Net Income: $175.00M
EPS: $2.59
Shares Out.: $67.60M

$4.35B in TTM revenue grew 16.3% YoY, reaching $1.25B last quarter. TTM EBITDA of $1.02B and TTM operating income of $682.00M show growth is flowing through to the bottom line. TTM net income of $440.00M means revenue is converting into profit. Across the last 8 quarters, TTM revenue has risen for 7 consecutive quarters — an improving trend.

Margins

Gross, EBITDA, operating, and net margin trends

Gross Margin: 47.7%
EBITDA Margin: 27.0%
Op. Margin: 20.1%
Net Margin: 14.0%

Op. margin of 20.1% is up 6.2% YoY — cost efficiency is improving. Net margin at 14.0% and gross margin of 47.7% show how much of each revenue dollar survives to profit. Over the past year, operating margin is up 45% — an improving trend.

Price Ratios

P/E, P/S, P/B, EV/EBITDA, FCF yield, and earnings yield

P/E Ratio: 36.9x
P/S Ratio: 3.7x
P/B Ratio: 5.4x

At 36.9x P/E, the stock trades above typical market levels — the market expects above-average growth. P/S of 3.7x and P/B of 5.4x provide additional context. Use the growth and margin sections to judge whether the multiple is justified. Over the past year, P/E is up 47% — an improving trend.

Assets & Liabilities

Total assets, cash, debt, book value, and leverage

Total Assets: $8.94B
Cash: $454.00M
Long-Term Debt: $2.54B
Book Value: $2.99B
D/E Ratio: 0.9
Debt/EBITDA: 7.5

With $8.94B in assets and $2.54B in long-term debt, D/E is 0.9and book value is $2.99B — a conservative capital structure with a cushion to weather downturns. Across the last 8 quarters, debt/equity has fallen for 7 consecutive quarters — an improving trend.

Cash Flow

Operating cash flow, free cash flow, FCF margin, and earnings quality

Op. Cash Flow: $243.00M
TTM Free Cash Flow: $455.00M
FCF Margin: 10.5%
FCF / Net Income: 1.0

TTM FCF of $455.00M on $243.00M in operating cash flow. The FCF / Net Income ratio of 1.0x means free cash flow covers net income — earnings are backed by cash. Over the past year, free cash flow is down 13% — an improving trend.