McKesson generated $403.43B in trailing twelve-month revenue, up 0.1% year-over-year. Net income was $4.8B with a 1.18% net margin. Gross margin stands at 3.61% and operating margin at 1.54%. Diluted EPS is $38.38, which grew 0.5% year-over-year. Based on the Q1 2026 filing.