Will EUV Adoption in Logic and DRAM Lift ASML's Margins Over Time?

Core Insights - ASML Holding's profitability is increasingly tied to the adoption rate of extreme ultraviolet (EUV) lithography tools in logic and DRAM manufacturing, which are more complex and expensive than traditional tools [1][10] Financial Performance - In Q3 2025, ASML's gross margins increased by 80 basis points year-over-year to 51.6%, driven by strong EUV demand and a growing installed base [2][10] - The company expects Q4 2025 revenues to range between €9.2 billion and €9.8 billion, representing a 26.3% sequential increase at the midpoint, with gross margins projected at 51-53% [5] - For the full year 2025, ASML anticipates a sales increase of around 15% and margins close to 52% [5] Market Dynamics - Logic customers are the primary revenue drivers, accounting for about two-thirds of system sales, with advanced logic nodes requiring multiple EUV layers, enhancing tool utilization and service demand [2][10] - The shift towards denser DRAM architectures and AI-related memory is increasing EUV adoption, which supports higher-value system demand and improves margins [3][4][10] Competitive Landscape - ASML is the sole provider of EUV lithography tools but operates within a broader semiconductor equipment ecosystem, competing with companies like Applied Materials and KLA Corporation [6][7] Valuation and Estimates - ASML's shares have increased by 33.3% over the past six months, outperforming the Zacks Computer and Technology sector's gain of 22.2% [8] - The forward price-to-earnings ratio for ASML is 33.76, significantly higher than the sector average of 27.76 [11] - Earnings estimates for 2025 and 2026 suggest a year-over-year increase of approximately 39.3% and 3.8%, respectively, with recent upward revisions for 2025 and downward revisions for 2026 [12]