MKS Inc. (MKSI)
NASDAQ: MKSI · Real-Time Price · USD
99.50
-0.04 (-0.04%)
Jul 25, 2025, 4:00 PM - Market closed

Company Description

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.

It operates through Vacuum Solutions Division (VSD), Photonics Solutions Division (PSD), and Material Solutions Division (MSD) segments.

The 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, beam measurement and profiling, precision motion control, vibration isolation systems, photonics instruments, temperature sensing, opto-mechanical components, optical elements, systems for flexible PCB laser processing, and laser-based systems, as well as high density interconnect PCB and package manufacturing.

The 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 headquartered in Andover, Massachusetts.

MKS Inc.
MKS Inc. logo
CountryUnited States
Founded1961
IPO DateMar 26, 1999
IndustryScientific & Technical Instruments
SectorTechnology
Employees10,200
CEOJohn T. Lee

Contact Details

Address:
2 Tech Drive, Suite 201
Andover, Massachusetts 01810
United States
Phone978 645 5500
Websitemks.com

Stock Details

Ticker SymbolMKSI
ExchangeNASDAQ
Stock TypeCommon Stock
Fiscal YearJanuary - December
Reporting CurrencyUSD
CIK Code0001049502
CUSIP Number55306N104
ISIN NumberUS55306N1046
Employer ID04-2277512
SIC Code3823

Key Executives

NamePosition
Dr. John T. C. Lee Ph.D.President, Chief Executive Officer and Director
Ramakumar MayampurathExecutive Vice President and Chief Financial Officer
David Philip HenryExecutive Vice President of Operations and Corporate Marketing
Kathleen F. Burke Esq.Executive Vice President, General Counsel and Secretary
James Alan SchreinerExecutive Vice President and Chief Operating Officer of Materials Solutions Division
Michelle M. McCarthyVice President and Chief Accounting Officer
Madhuri A. AndrewsExecutive Vice President and Chief Information Officer
Dr. Paretosh Misra C.F.A., Ph.D.Vice President of Investor Relations
Sally Ann BouleyExecutive Vice President and Chief Human Resources Officer
Eric Robert TarantoExecutive Vice President and GM of Vacuum Solutions Division

Latest SEC Filings

DateTypeTitle
Jul 7, 2025144Filing
Jul 3, 2025144Filing
Jun 2, 2025144Filing
May 29, 2025SDForm - SD
May 15, 20258-KCurrent Report
May 8, 202510-QQuarterly Report
May 7, 20258-KCurrent Report
Apr 1, 2025ARSFiling
Apr 1, 2025DEFA14AAdditional definitive proxy soliciting materials and Rule 14(a)(12) material
Apr 1, 2025DEF 14AOther definitive proxy statements