MKS Inc. (MKSI)
Information Technology ยท Industrial Instruments for Measurement, Display, and Control
MKS Inc. (MKSI) is listed on Nasdaq, where its shares have traded since March 30, 1999. SentiSense covers MKS Inc. in the Information Technology sector, and its Standard Industrial Classification is Industrial Instruments for Measurement, Display, and Control. John T.C. Lee is its chief executive officer. The company reports 10,300 employees, and its corporate website is www.mksinst.com.
About MKS Inc.
MKS Inc delivers foundational technology solutions for leading edge semiconductor manufacturing, electronics and packaging, and specialty industrial applications. The company provides instruments, components, subsystems, systems, process control solutions, and specialty chemicals technology that improve process performance and optimize productivity. Its solutions address challenges of miniaturization and complexity in device manufacturing, enabling increased power, speed, and feature enhancement. MKS Inc operates through three divisions: Vacuum Solutions Division (VSD), Photonics Solutions Division (PSD), and Materials Solutions Division (MSD). The company operates in the United States, which generates maximum revenue, as well as China and other countries.
Institutional ownership
In 13F filings for the quarter ended June 30, 2026, 758 institutions reported holding MKSI, with 70.4 million shares worth $31.1 billion in aggregate. The largest reported holders were Vanguard, BlackRock and Invesco Ltd. Of the 5 largest reported holders, all 5 added shares during the quarter.
More on MKSI
- MKSI sentiment: whether news and social coverage of MKS Inc. leans bullish or bearish, and the stories driving it.
- MKSI ownership: all 758 reporting institutions, plus insider and congressional trades.
- MKSI financials: revenue, net income, operating margin and free cash flow by quarter and year.
SentiSense also tracks daily options readings for MKS Inc.: IV rank, put/call percentile, 25-delta skew and open-interest walls.
Frequently asked questions
What does MKS Inc. do?
MKS Inc delivers foundational technology solutions for leading edge semiconductor manufacturing, electronics and packaging, and specialty industrial applications.
What sector is MKSI in?
SentiSense classifies MKS Inc. in the Information Technology sector, and its Standard Industrial Classification is Industrial Instruments for Measurement, Display, and Control.
Where does MKSI stock trade?
MKS Inc. (MKSI) is listed on Nasdaq, where its shares have traded since March 30, 1999.
Who is the CEO of MKS Inc.?
John T.C. Lee is the chief executive officer of MKS Inc..