Lam Research Corporation

LRCX · NASDAQ · USD

Can Lam keep outgrowing wafer fab equipment spending through rising etch and deposition intensity, or will a memory-heavy, concentrated customer base make the next downturn sharper?

Last 4 earnings calls · through Q1 FY2027

Bull case

  • Etch and deposition intensity

    The bull case rests on rising deposition and etch intensity per wafer, which enlarges Lam's served market and lets it grow faster than the equipment industry overall.

  • NAND conversion spending

    Memory makers are converting existing NAND capacity to higher layer counts and layering new tiers of flash, work that pulls spending forward onto Lam's deposition and etch tools.

  • Rising equipment spending outlook

    Industry spending forecasts have been raised several times in a year and management expects another increase next year, which supports volume, factory loading and pricing.

  • Margins above prior framework

    Profitability has already passed the framework set at the last investor day, and management now points to structurally higher gross and operating margins as new products scale.

Bear case

  • Memory cycle dependence

    Memory customers supply a large share of systems revenue, so results still follow their capital spending plans, which have historically swung between heavy investment and deep cuts.

  • Customer concentration

    A handful of large chipmakers place most orders, so one customer's fab schedule, budget change or payment delay can move revenue and margins in a single quarter.

  • China spending decline

    Chinese demand is guided sharply lower for the current quarter and that market is not growing, which removes a large block of revenue that supported the past year.

  • Supply chain limits output

    Supplier shortages and clean room delays cap how much equipment can be shipped, so reported growth depends on vendors and customer construction schedules rather than demand alone.

Bull and bear points

Growth & Execution

In short: Order visibility extends through 2028 and guidance keeps rising, but China revenue drops sharply this quarter.

Bull · 2

  • WFE outlook raised repeatedly and now includes 2027

    Each increase widened the pool of equipment spending Lam sells into, and management gave a preliminary figure for next year earlier than it normally does, which supports capacity and hiring plans.

    Tone shiftQ2 FY2026 → Q1 FY2027

  • Revenue growth outruns industry spending for a third year

    Revenue grew 54.4% from a year earlier as leading-edge foundry and DRAM orders converted, showing new tools and the installed base are taking share rather than simply riding the cycle.

    Q1 FY2027 call
Bear · 2

  • China revenue is guided meaningfully lower for December

    China was the largest region last quarter, and management expects a sharp sequential decline driven by domestic customers, leaving a gap that leading-edge foundry and memory orders have to fill.

    Q1 FY2027 call

  • Component shortages trimmed the December revenue guide

    Management previously said Lam was not the constraint on customers; it now says tight supplier capacity capped the outlook and pushed some shipments into March, moving execution risk onto vendors.

    Tone shiftQ2 FY2026 → Q1 FY2027

Profitability & Financial Strength

In short: Margins are at record highs, but a rising tax rate and inventory build absorb part of the cash they generate.

Bull · 1

  • Operating margin passes 40% for the first time

    Operating margin reached 40.0%, up 5.6 points from a year earlier, as higher volume, favorable product mix and factory efficiency carried more of each sales dollar down to profit.

    Q1 FY2027 call
Bear · 2

  • Tax rate steps up as US earnings carry more weight

    The quarterly tax rate rose to 16.5% from 11% and management told analysts to update models, so a larger share of operating profit now goes to tax instead of earnings per share.

    Q1 FY2027 call

  • Cash returned to shareholders trails the 85% commitment

    Only 59% of free cash flow was returned calendar year to date as cash went into inventory and capital spending, so the payout commitment depends on how long the capacity build-out continues.

    Q1 FY2027 call

Market Position

In short: Lam leads in etch and deposition, but a few large memory and foundry customers drive most of its revenue.

Bull · 2

  • NAND conversion spending pulled forward into 2027

    Converting the NAND installed base to higher layer counts was described as a multiyear project; management now expects most of that spending before the end of next year, bringing revenue forward.

    Tone shiftQ2 FY2026 → Q3 FY2026

  • Served market expands toward the high 30s share of WFE

    Deposition and etch steps multiply with each 3D device transition, and management attributes a four-point expansion of its served market to that complexity, which lets Lam grow even when equipment spending is flat.

    Q1 FY2027 call
Bear · 2

  • A handful of large chipmakers place most of the orders

    Sales to a limited number of customers make up a significant part of revenue and cash flow, so one fab delay, budget cut or payment problem at a single buyer can move results sharply.

    10-K, filed 2026-08-07

  • Revenue has fallen by half in past downturns

    The worst decline between FY2007 and FY2009 was 56.5% and the operating margin went from 30.3% to negative 25.2%, showing how quickly profit disappears when customers stop ordering tools.

    Filed financials