HIGHOutside partySupplier
single supplier components
“10-K Item 1: 'Certain components and sub-assemblies that we include in our products may only be obtained from a single supplier.'”
LRCX · Concentration risk · 10-K extracted
Lam Research (LRCX) concentration risks
Updated
The most significant concentration Lam Research discloses is single supplier components, classified HIGH by disclosed size. Below: the full set from the latest 10-K — verbatim quotes, filing references, and a synthesis of what these exposures mean together.
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Source: Lam Research’s SEC Form 10-K filed — view the filing on SEC EDGAR ↗
At a glance
Disclosed-size breakdown · 3 disclosed concentrations
HIGH1
MEDIUM2
LOW0
Disclosed concentrations
Each card carries a disclosed-size chip (HIGH / MEDIUM / LOW — how large the exposure is as a share of revenue, not how dangerous it is) and a nature tag: Built-in(the company’s own model, geography, or products) or Outside party (an external customer, supplier, or distributor it relies on).
MEDIUMOutside partyCustomer
limited number of large customers
“10-K Item 1A: 'Sales to a limited number of large customers constitute a significant portion of our overall shipments, revenue, cash flows, and profitability.'”
MEDIUMOutside partyCustomer
Micron Technology, Samsung Electronics, SK hynix and Taiwan Semiconductor Manufacturing Company
“10-K Item 1: 'Our most significant customers during the fiscal years ending June 28, 2026, June 29, 2025, and June 30, 2024 included Micron Technology, Inc., Samsung Electronics Company, Ltd., SK hynix Inc., and Taiwan Semiconductor Manufacturing Company.'”
TrendMatrix Research · concentration synthesis
What these concentrations mean together
updated 2026-11-01Lam Research's disclosed concentrations are qualitative rather than quantified, but they point in a consistent direction. On the supply side, certain components and sub-assemblies may only be obtained from a single supplier, a high-share dependency and the most idiosyncratic exposure, since a disruption at one vendor could interrupt shipments. On the demand side, sales to a limited number of large customers constitute a significant portion of shipments, revenue, cash flows and profitability, a medium-share dependency. The filing names the most significant customers as Micron Technology, Samsung Electronics, SK hynix and Taiwan Semiconductor Manufacturing Company, also medium-share. Because all of these are leading chipmakers, their capital spending moves together with the memory and foundry cycle, making the customer exposure as much structural as counterparty-specific. Netting these out, customer concentration is the item most likely to move the verdict through cyclical order swings, while the single-supplier components are a narrower operational risk that could affect delivery timing rather than demand.
For the engine’s reasoning on LRCX’s current verdict — including which dimensions drove the score — see the per-dimension breakdown.
Industry peers · Semiconductor Equipment & Materials
Peer concentration profile
| Symbol | Name | HIGH | MEDIUM | LOW | Total |
|---|---|---|---|---|---|
| ACLS | Axcelis Technologies, Inc. | 3 | 1 | 0 | 4 |
| ACMR | ACM Research, Inc. | 3 | 0 | 0 | 3 |
| AMBA | Ambarella, Inc. | 3 | 0 | 0 | 3 |
| AMAT | Applied Materials, Inc. | 2 | 0 | 2 | 4 |
| AEHR | Aehr Test Systems | 2 | 0 | 0 | 2 |
| LRCX● | Lam Research Corporation | 1 | 2 | 0 | 3 |
Concentration counts reflect items disclosed in each peer’s most recent 10-K; disclosed-size classification uses TrendMatrix’s internal 10-K extraction taxonomy.