O'Reilly Automotive generated $18.2B in trailing twelve-month revenue, up 0.1% year-over-year. Net income was $2.6B with a 14.3% net margin. Gross margin stands at 51.63% and operating margin at 19.56%. Diluted EPS is $11.70, which declined 0.7% year-over-year. Based on the Q1 2026 filing.