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Lam Research Q4 2026 earnings summary

Complete event summary combining all related documents: earnings call transcript, report, and slide presentation.
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Q4 2026 earnings summary29 Jul, 2026

Executive summary

  • Achieved record quarterly revenue of $6.72 billion in June 2026, with record operating margin and EPS, driven by strong NAND and CSBG growth and AI-related demand.

  • Fiscal year 2026 revenue reached $23.23 billion, up from $18.44 billion in FY2025, and non-GAAP EPS rose to $5.82 from $4.13 year-over-year.

  • Net income rose to $2.28 billion, with diluted EPS of $1.81 (GAAP) and $1.82 (non-GAAP), reflecting strong operational execution.

  • AI-driven demand is accelerating technology transitions and capacity investments across NAND, DRAM, and advanced packaging.

Financial highlights

  • June quarter revenue was $6.72 billion, up 15% sequentially and 30% year-over-year, with non-GAAP EPS of $1.82, up from $1.47 sequentially.

  • Gross margin reached 52% (non-GAAP), up from 49.9% in the prior quarter; operating margin was 38.4% (non-GAAP), up from 35% sequentially.

  • Deferred revenue increased to $2.43 billion, up $213 million from the previous quarter.

  • Free cash flow for the June quarter was $1.27 billion, with a gross cash balance of $5.60 billion at quarter end.

Outlook and guidance

  • September 2026 quarter revenue guidance is $8.10 billion ± $400 million, with non-GAAP gross margin of 52% ±1 percentage point, operating margin 39.5% ±1 percentage point, and EPS of $2.15 ±$0.15.

  • Long-term targets include gross margins in the mid-50% and operating margins in the mid-40% as AI transformation continues.

  • CY26 WFE spending expected in the low $150 billion range, with continued outperformance and multi-year growth driven by customer fab projects and technology transitions.

Drivers for the 20% sequential revenue growth
Timing of the $490M Japan shipment recognition
Sustainability of China revenue at 26% share
Cost savings of co-optimized Vector hard masks
Argos selective etch adoption at 2nm and DRAM
Impact of 9x reticle size on packaging format
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