Lam Research Corporation
Lam Research Corp. designs and sells wafer fabrication equipment and related services used in semiconductor manufacturing, with a focus on deposition, etch, and clean process steps. Its tools and support offerings help chipmakers build smaller, more complex devices for memory, foundry, logic, and advanced packaging applications.
Fiscal year 2026 · change from previous year
Development 2021–2026
Business
Share of revenueNew wafer fabrication tools sold into deposition, etch, and clean process steps.
Spare parts, service, upgrades, and installed-base support across the tool lifecycle.
Reliant-branded new and refurbished tools for applications that do not need the most advanced nodes.
Products
Reported · share of revenue- System64.1 %
- Customer Supportand Other35.9 %
Source: 10-K FY2026, revenue the company reports per product line (SEC XBRL). Shares are of the lines shown and add up to 100 %.
Customers
Lam sells primarily to large semiconductor manufacturers that operate advanced fabs and spend heavily on process equipment. Its customer base spans memory, foundry, and logic/integrated device manufacturing, with Samsung Electronics and TSMC identified as major customers in recent filings.
Buy deposition, etch, and clean tools for DRAM and NAND process steps, plus upgrades and support to extend fab productivity.
Purchase advanced systems for leading-edge logic and process integration, especially where scaling and patterning complexity are rising.
Use Lam equipment in integrated device manufacturing flows and buy support to maintain output and process consistency.
Buy spares, upgrades, and fleet optimization services to improve uptime, throughput, and cost per wafer.
Strategy
Lam is focused on sustaining R&D investment in leading-edge deposition, etch, and clean technologies while protecting its installed base through service and upgrade offerings. Management also emphasizes liquidity, cost discipline, and capital returns as it navigates cyclical semiconductor spending, trade restrictions, and customer concentration.
Differentiated tools are needed to win share as chipmakers adopt more complex device architectures.
Service, spares, and upgrades provide recurring revenue and deepen customer relationships.
Cyclical demand and trade-related volatility require liquidity to sustain R&D and operations.
Geography
Lam is headquartered in Fremont, California, but operates a global network of facilities across Asia, Europe, and the United States. Revenue is heavily tied to customer fabs in Asia, especially China, Taiwan, Korea, Japan, and Southeast Asia, which makes the company sensitive to export controls, trade restrictions, and regional capex cycles.
Risks
Lam’s business is exposed to semiconductor capex cycles, customer concentration, and rapid technology shifts that can reduce demand for its limited product set. It also faces material geopolitical and operational risks from export restrictions, supply chain disruptions, cybersecurity threats, and the fact that a large share of revenue is generated outside the United States.
- Trade restrictions and export controlsImpact: HighLikelihood: High
A large portion of sales and operations occur outside the U.S., especially in Asia.
Exposure: China and broader Asia-Pacific demand
- Customer concentrationImpact: HighLikelihood: Medium
A small number of large semiconductor manufacturers account for a significant share of shipments and revenue.
Exposure - Semiconductor industry cyclicalityImpact: HighLikelihood: Medium
Customer investment in wafer fabrication equipment rises and falls quickly with memory and foundry spending.
Exposure - Cybersecurity and IP protectionImpact: HighLikelihood: Medium
Loss of sensitive data or disruption of systems could affect operations, customer trust, and R&D value.
Exposure - Technology concentrationImpact: MediumLikelihood: Medium
The company relies on a relatively narrow set of process steps and product lines.
Exposure
Accounting
Judgemental itemsTiming and valuation judgments affect when systems and support revenue is recorded.
Impact: Can shift quarterly revenue and margin
Obsolescence and demand changes in semiconductor equipment can require write-downs.
Impact: Directly affects gross margin
A substantial portion of income is earned abroad and tax outcomes depend on evolving positions and laws.
Impact: Can change effective tax rate and net income
Systems and support revenue have different margins and timing patterns.
Impact: Affects quarterly comparability and profitability
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Last updated: 24/09/2026