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MKSI

MKS Inc. Common Stock

Industrial Instruments For Measurement, Display, And Control

$257.61updated Jul 30, 2026

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.

Total Trades

4

Politicians Trading

1

Last Traded

Oct 31, 2025

Price history

Congressional Trades

PoliticianNotifiedTradedTypeAmountChange
Lisa C. McClainRNov 21, 2025Oct 31, 2025Sell$1,001 - $15,000+79.26%
Lisa C. McClainRNov 21, 2025Oct 30, 2025Sell$1,001 - $15,000+84.92%
Lisa C. McClainRNov 21, 2025Oct 30, 2025Buy$1,001 - $15,000+84.92%
Lisa C. McClainRSep 12, 2025Aug 4, 2025Buy$1,001 - $15,000+174.05%