MKS
MKSI · NASDAQ · Technology
$252.08
+$12.43 (+4.93%) today
Market Cap
$17.05B
24h Volume
$562.3M
P/E Ratio
40.2
52w High
$444.39
52w Low
$120.75
Est. AI Revenue
30%
7-Day Sparkline (Static)
Company facts
Performance
About MKS
MKS provides the critical subsystems inside semiconductor process equipment: RF power generators that drive plasma, instruments that measure and control vacuum, and photonics for precision optics. It also owns Atotech, a supplier of plating chemistry for chip substrates and circuit boards. Customers include the major equipment OEMs, chipmakers, and electronics manufacturers.
In semiconductors, MKS content rides inside most etch and deposition tools, so its sales track wafer fab equipment spending. Atotech's chemistry goes into the advanced substrates and packages that AI accelerators require, while the photonics business, built around brands like Ophir, serves laser and optics markets. Industrial and specialty electronics round out the mix.
Founded in 1961 and headquartered in Andover, MA, MKS employs about 10,200 people and lists on NASDAQ under MKSI.
MKS in the AI buildout
MKS sits in the Chip Equipment layer as a critical subsystems supplier. AI driven fab expansion pulls through etch and deposition tools, and most of those tools carry MKS content in RF power, vacuum, and gas analysis. Advanced packaging adds a second channel: Atotech chemistry is used in the substrates that carry AI accelerators and their memory. The exposure is broad rather than deep, spread across nearly every equipment maker but diluted by industrial and electronics end markets.
MKSI is tracked in Chip Equipment & Foundries, rated Strategic on the AI Exposure leaderboard.
By the numbers
52-week range
MKSI trades at $252.08, 41% of the way up its 52-week range of $120.75 to $444.39.
Market cap
Market capitalization is $17.05B, with an AI Exposure Score of 55 out of 100.
Valuation vs peers
Its P/E ratio of 40.2 is in line with the Chip Equipment & Foundries category median of 44.2.
Next earnings
MKS is next expected to report earnings on November 4, 2026.
Market data as of the close on . Prices are end of day, not live.
Frequently asked questions
What does MKS Inc do?
MKS makes the subsystems inside semiconductor process equipment, including RF power generators, vacuum measurement and control instruments, and photonics. Through Atotech it also supplies plating chemistry for chip substrates and circuit boards used across electronics.
How is MKS Inc exposed to AI?
Most etch and deposition tools ordered for AI driven fab expansion carry MKS subsystems, and Atotech chemistry feeds the advanced substrates in AI accelerators. Supercycle rates it Strategic with an AI Exposure Score of 55 out of 100.
What are MKS's main products?
RF power generators that drive plasma processes, vacuum and pressure measurement instruments, photonics and laser measurement products under brands like Ophir, and Atotech plating chemistry for advanced substrates and printed circuit boards.
Who leads MKS and where is it based?
John T. C. Lee serves as CEO. Founded in 1961, the company is headquartered in Andover, MA, employs about 10,200 people, and lists on NASDAQ under the ticker MKSI.
Is MKSI a pure play AI stock?
No. Supercycle rates MKS as Strategic with a score of 55. Its subsystems benefit broadly from AI driven equipment spending and packaging chemistry demand, but large industrial, electronics, and specialty markets dilute the AI share of the business.
Profile written 2026-08, updated as the business changes. Editorial content, not investment advice.
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