HIGHOutside partySupplier
sole source suppliers
“10-K Item 1A: 'some of our suppliers are our sole sources for certain materials, equipment and components.'”
LITE · Concentration risk · 10-K extracted
Lumentum Holdings (LITE) concentration risks
Updated
The most significant concentration Lumentum Holdings discloses is sole source suppliers, 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: Lumentum Holdings’s SEC Form 10-K filed — view the filing on SEC EDGAR ↗
At a glance
Disclosed-size breakdown · 2 disclosed concentrations
HIGH1
MEDIUM0
LOW1
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).
LOWOutside partyCustomer
Huawei
“10-K Item 1A: 'we stopped all of our product shipments to Huawei, historically our largest networking customer in China'”
TrendMatrix Research · concentration synthesis
What these concentrations mean together
updated 2026-10-11Lumentum's disclosed concentration is on the supply side and in one historical customer relationship. The company states that some of its suppliers are its sole sources for certain materials, equipment and components. This is a dependency exposure with no stated alternative, so a disruption at a sole-source supplier could directly constrain production and shipments. Because it is a supplier-specific risk, it is idiosyncratic and could move the verdict if it materialized. The customer disclosure is narrower and largely backward-looking. The 10-K notes that the company stopped all of its product shipments to Huawei, historically its largest networking customer in China. This is a dependency whose current share is small precisely because the relationship has been cut off, so it reads as a past concentration that has already been absorbed rather than an open exposure. Netted together, the sole-source supplier dependency is the live risk worth monitoring, while the Huawei matter is a disclosed, already-realized event with limited forward weight. No percentages are given for either exposure in the sources, so their relative scale cannot be quantified beyond the filing's own framing.
For the engine’s reasoning on LITE’s current verdict — including which dimensions drove the score — see the per-dimension breakdown.
Industry peers · Communication Equipment
Peer concentration profile
| Symbol | Name | HIGH | MEDIUM | LOW | Total |
|---|---|---|---|---|---|
| AAOI | Applied Optoelectronics, Inc. | 2 | 1 | 0 | 3 |
| ADTN | ADTRAN Holdings, Inc. | 1 | 0 | 2 | 3 |
| LITE● | Lumentum Holdings Inc. | 1 | 0 | 1 | 2 |
| CIEN | Ciena Corporation | 0 | 2 | 2 | 4 |
| BDC | Belden Inc | 0 | 2 | 1 | 3 |
| ASTS | AST SpaceMobile, Inc. | 0 | 0 | 0 | 0 |
Concentration counts reflect items disclosed in each peer’s most recent 10-K; disclosed-size classification uses TrendMatrix’s internal 10-K extraction taxonomy.