MKS shares rose 6.6% following Q1 results that beat expectations on revenue and margins, driven by strong demand across semiconductor and electronics markets fueled by AI-related CapEx momentum.

• Q1 revenue grew 13% year-over-year and 7% sequentially in semiconductors, led by vacuum, power, plasma, and photonics products supporting advanced logic and memory applications.
• Electronics and Packaging revenue rose 27% year-over-year and 6% sequentially, surpassing guidance due to robust orders in flex PCB drilling and chemistry equipment, benefiting from AI-driven manufacturing complexity.
• Specialty Industrial segment saw steady performance with 8% year-over-year growth despite modest seasonal sequential decline.
• Q2 guidance expects semiconductor revenue to accelerate with high teens sequential growth and over 25% year-over-year, while Electronics and Packaging anticipates high single-digit sequential and 30%+ year-over-year increases.
• Gross margins held steady at the high end of guidance, reflecting the foundational and differentiated nature of MKS’ technologies amid rising demand and complexity.