As of Q1'26 (2025-09-28), LRCX's ROS (Return on Sales) reached 34.9%, marking its highest level in the observed period. This latest data point reflects a continued improvement in profitability compared to previous quarters. From Q3'23 to Q1'26, LRCX's ROS demonstrated a steady upward trend, rising from 24.3% to 34.9%. The most significant acceleration occurred after Q3'24, with ROS consistently increasing each quarter and only minor fluctuations. This sustained growth suggests ongoing operational efficiency improvements and robust margin expansion over the reported timeframe.