HIGHOutside partySupplier
sole-source suppliers
“10-K Item 1: '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.
Model-generated analysis — not investment advice. Not a registered investment advisor. Past performance does not guarantee future results.
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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
MEDIUM1
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
Huawei
“10-K Item 1A: 'we stopped all of our product shipments to Huawei, historically our largest networking customer in China, in the beginning of calendar year 2024'”
TrendMatrix Research · concentration synthesis
What these concentrations mean together
updated 2026-09-06Lumentum's concentration risk splits across the supply chain and a customer relationship that has already been curtailed. On the supply side, some of the company's suppliers are its sole sources for certain materials, equipment, and components, a high-share dependency that leaves limited room to substitute vendors quickly if a disruption occurs. On the customer side, the company stopped all product shipments to Huawei — historically its largest networking customer in China — at the beginning of calendar year 2024, a medium-share dependency that has already been resolved through the shipment halt rather than remaining an active, ongoing exposure. This makes the two risks asymmetric: the sole-source supplier dependency is a live, structural vulnerability in Lumentum's manufacturing base today, while the Huawei relationship is now a historical dependency whose downside has already been realized and is disclosed for context rather than as an ongoing threat. Investors should weight the supplier concentration more heavily as a forward-looking risk, since it remains unresolved, while treating the Huawei disclosure as informative about past revenue composition rather than current-quarter risk.
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 |
| LITE● | Lumentum Holdings Inc. | 1 | 1 | 0 | 2 |
| ADTN | ADTRAN Holdings, Inc. | 1 | 0 | 2 | 3 |
| 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.