MKS Inc. (MKSI)

MKS Inc. (MKSI) stock has experienced significant movements over the past six months. As of March 23, 2026, the share price was $235.02, a 156.99% increase from March 24, 2025. The stock saw a substantial 1-year total shareholder return of 175.5%. Key events impacting the stock include stronger-than-expected Q3 2025 earnings, strong Q4 2025 performance, and positive Q1 2026 guidance. MKS has also undertaken debt management actions, including a convertible note offering and refinancing of its Term Loan Facility. As of March 2026, MKS Instruments has a consensus 'Buy' rating from 13 analysts.

MKS Inc. acknowledges some demand seasonality for its products and services, anticipating a 'seasonal impact from the Luna New Year holiday' on its electronics and packaging revenue in the first quarter of 2026. Despite this, they expected electronics and packaging revenue to be up slightly sequentially and increase in the low 20% range year-over-year for Q1 2026.

MKS Inc., formerly MKS Instruments, Inc., provides foundational technology solutions for advanced manufacturing processes globally. The company specializes in instruments, subsystems, systems, process control technologies, and specialty chemical products crucial for manufacturing semiconductor chips, PCBs, advanced packaging, and specialty industrial applications. MKS operates through three divisions: Vacuum Solutions Division (VSD), Photonics Solutions Division (PSD), and Material Solutions Division (MSD). MKS's products are used in major semiconductor processing steps, addressing over 85% of the wafer fabrication equipment ecosystem, and the company also provides services including maintenance, repair, installation, and training.

MKS Inc. has a global presence with offices and facilities worldwide, serving over 24,000 customers across nearly 100 countries as of 2020. Its operations span key regions including the United States, China, South Korea, Japan, Taiwan, and Singapore. The company is expanding its industry footprint in Asia, including a new supercenter factory in Malaysia expected to ramp up in the second half of 2026.

MKS Inc. has received positive recognition for its workplace environment and overall company performance. MKS was recognized by U.S. News & World Report as one of the '2025-2026 Best Companies to Work For' for the third consecutive year. MKS was also named by Time and Statista, Inc. as one of 'America's Best Mid-Sized Companies for 2025'. In December 2023, MKS committed to reducing its combined Scope 1 and 2 emissions by 42% by 2030 from its 2022 baseline.

MKS Inc.'s ownership is predominantly held by institutional investors, who held approximately 95.82% of outstanding shares as of March 31, 2025. As of March 27, 2026, there were 656 institutional owners and shareholders holding a total of 74,995,352 shares. Major institutional owners include Vanguard Group Inc., BlackRock, Inc., and Invesco Ltd. No single entity controls MKSI, and insiders collectively own under 2-3% of the company.