Lam Research is an AI infrastructure winner with elite semiconductor process leadership, but its premium valuation and China exposure make disciplined entry timing essential.
Overview
Lam Research is a mission-critical semiconductor equipment leader focused on plasma etch, thin-film deposition, and wafer fabrication tools required for advanced chip scaling. Roughly 70% of revenue comes from systems and 30% from recurring customer support tied to a 102,000-plus chamber installed base. The company serves Samsung, TSMC, SK Hynix, Micron, and other global fabs, with heavy East Asian exposure. Its technology is increasingly vital as AI, 3D NAND, DRAM, and gate-all-around logic drive more complex, etch- and deposition-intensive chip architectures.