MKS Inc.
MKS Inc. (Nasdaq: MKSI) develops instruments, subsystems, systems, process control solutions and specialty chemicals for semiconductor manufacturing, electronics and packaging, and specialty industrial applications. Its products help customers measure, monitor, deliver, analyze, power and control manufacturing… From the company’s description.
In fiscal 2025, MKS Inc. reported revenue of $3.93B, up 9.6% from fiscal 2024, and net income of $295.00M. Its operating margin was 13.4%, and operations generated $645.00M in cash. Over the twelve months to Jun 30, 2026, revenue was $4.35B.
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) develops instruments, subsystems, systems, process control solutions and specialty chemicals for semiconductor manufacturing, electronics and packaging, and specialty industrial applications. Its products help customers measure, monitor, deliver, analyze, power and control manufacturing processes, while its services include installation, training, maintenance, repair and calibration. Customers include semiconductor equipment and device manufacturers, PCB and package substrate manufacturers, and companies in industrial, life and health sciences, research and defense. MKS organizes its offerings into three reportable segments: Vacuum Solutions, focused on vacuum, materials delivery, power and plasma technologies; Photonics Solutions, covering lasers, optics, motion control and laser-based PCB systems; and Materials Solutions, providing plating and surface-finishing chemistry, equipment and services. Global Service supports products across the divisions. In 2025, semiconductor customers contributed approximately 43% of revenue, electronics and packaging 28%, and specialty industrial 29%. MKS reported approximately 10,300 employees as of December 31, 2025. Its business includes Atotech, acquired in 2022, which expanded its chemistry and plating capabilities. Its website is http://www.mks.com.
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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