MKS Instruments generated $4.1B in trailing twelve-month revenue, up 0.1% year-over-year. Net income was $327.0M with a 8.03% net margin. Gross margin stands at 46.66% and operating margin at 13.88%. Diluted EPS is $4.79, which grew 0.4% year-over-year. Based on the Q1 2026 filing.