MKS Inc.
MKS Inc. (NASDAQ: MKSI) is a foundational technology solutions provider serving semiconductor manufacturing, electronics and packaging, and specialty industrial applications. The company's website is www.mks.com. From the company’s description.
Margins and return on equity change in ; everything else in percent. Fewer shares and less debt are shown plainly, not as bad news — it depends what you make of buybacks. Dotted labels explain each measure. is shown separately from the annual figures.
What MKS Inc. does
In the company’s own words
MKS Inc. (NASDAQ: MKSI) is a foundational technology solutions provider serving semiconductor manufacturing, electronics and packaging, and specialty industrial applications. The company's website is www.mks.com.
Founded in 1961, MKS enables advanced device manufacturing through instruments, subsystems, systems, process control solutions, and specialty chemicals technology. The company operates three reportable segments: the Vacuum Solutions Division, which delivers pressure measurement and control, materials delivery, power solutions, and plasma and reactive gas products; the Photonics Solutions Division, providing lasers, photonics components, precision motion control systems, and laser-based PCB manufacturing solutions; and the Materials Solutions Division, offering advanced chemical processes and equipment for surface modification, electroless and electrolytic plating, and surface finishing applications. Global Service represents various service offerings across all divisions.
In 2025, the semiconductor market represented 43% of net revenues, electronics and packaging accounted for 28%, and specialty industrial represented 29%. International markets comprised 81% of total net revenues, with significant exposure to customers in China, South Korea, Singapore, Taiwan, and Japan. Long-lived assets outside the United States represented 70% of total long-lived assets.
MKS operates manufacturing facilities across 18 countries and maintains sites in 37 countries globally. As of December 31, 2025, the company employed approximately 10,300 individuals, with 33% located in the Asia-Pacific region, 34% in Europe, the Middle East and India, and 33% in the Americas. The workforce comprises approximately 10,200 employees and 100 temporary workers, with 18% engaged in research and development, 55% in operations and manufacturing, and 27% in administrative and support functions.
The company's product strategies include Surround the Wafer, encompassing a comprehensive range of semiconductor manufacturing solutions, and Surround the Workpiece, providing laser-based guidance and control for manufacturing processes. MKS also offers Optimize the Interconnect, combining laser drilling and chemistry solutions for PCB and package substrate manufacturing. The company maintains a portfolio of 585 U.S. patents and 2,217 foreign patents as of December 31, 2025. MKS serves thousands of customers worldwide, with its top ten customers representing 35% of 2025 net revenues.
Company details
- Sector
- Information Technology
- Industry (SIC)
- Medical Instruments
- Headquarters
- ANDOVER, MA
- Fiscal year end
- December
- CIK
- 1049502
- SIC
- 3823
Financial performance, year by year
Fiscal 2013–2025 · USDThe full income statement, balance sheet and cash flow for each of these years — every figure traceable to its filing — is on the Financials tab with a free account.
Who owns MKS Inc. — and what changed
Funds as of 2026Q2 · superinvestors as of 2026-06-30
Largest fund holders · MKS Inc.’s weight in each
Fund ownership is a floor, not a census — pensions, insurers and people holding shares directly are not visible here.
MKS Inc.’s bonds, as funds hold them
Funds report holding 3 issues of MKS Inc.’s debt, $777.51M at market value — what funds hold, not the company’s total debt. Weighted-average coupon 1.28%, maturing 2030 to 2034.
Fund ownership counts N-PORT filers only, so it is a floor rather than a census — pensions, insurers and direct holders are not visible here, and the remainder is not “held by individuals”.
Every fund and institutional holder, quarter by quarter, is on the Ownership tab with a free account.
Recent filings
All filings →Each filing opens into its own statements and disclosures here.
Put this business in context.
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