HIGHBuilt-inProduct / Revenue mix
89%
Cloud end market
“10-K Item 1A: 'the Cloud end market accounted for 89% of our net revenue'”
WDC · Concentration risk · 10-K extracted
Western Digital (WDC) concentration risks
Updated
The most significant concentration Western Digital discloses is Cloud end market at 89%, 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. How we score · Editorial policy
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Source: Western Digital’s SEC Form 10-K filed — view the filing on SEC EDGAR ↗
At a glance
Disclosed-size breakdown · 5 disclosed concentrations
HIGH4
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).
HIGHOutside partyCustomer
73%
top 10 customers
“10-K Item 1A: 'our top 10 customers accounted for 73% of our net revenue'”
HIGHBuilt-inGeographic
60%
international sales
“10-K Item 1: 'Our international sales ... represented 60%, 55%, and 58% of our net revenue for 2026, 2025, and 2024, respectively'”
HIGHOutside partySupplier
sole-source suppliers
“10-K Item 1A: 'are only available from a limited number of suppliers, some of whom are our sole-source suppliers'”
MEDIUMOutside partyCustomer
three customers
“10-K Item 1: 'For 2026, three customers accounted for 16%, 15%, and 13%, respectively, of our net revenue.'”
TrendMatrix Research · concentration synthesis
What these concentrations mean together
updated 2026-10-18Western Digital's concentrations are layered and reinforce one another. The Cloud end market accounted for 89% of net revenue, a high-share and structural exposure: the company's fortunes track hyperscale storage demand almost entirely. That demand is delivered through a narrow customer base, since the top 10 customers accounted for 73% of net revenue, also high-share, with a dependency character. Within that group, three customers accounted for 16%, 15%, and 13% of net revenue, a medium-share exposure that shows how much of the top cohort sits with a handful of names. Geography adds another structural layer: international sales represented 60% of net revenue for 2026, a high-share exposure. On the supply side, some components are available only from a limited number of suppliers, some of whom are sole-source suppliers, a high-share dependency. Netting these, the customer and end-market concentrations are tightly linked, so a spending pause by a few large cloud buyers would flow through directly. The sole-source supply dependency is the most idiosyncratic risk and could constrain output regardless of demand. Together they make this a heavily concentrated profile, and the cloud-customer link is the factor most likely to move the verdict.
For the engine’s reasoning on WDC’s current verdict — including which dimensions drove the score — see the per-dimension breakdown.
Industry peers · Computer Hardware
Peer concentration profile
| Symbol | Name | HIGH | MEDIUM | LOW | Total |
|---|---|---|---|---|---|
| WDC● | Western Digital Corporation | 4 | 1 | 0 | 5 |
| CRCT | Cricut, Inc. | 2 | 1 | 0 | 3 |
| ANET | Arista Networks, Inc. | 0 | 2 | 1 | 3 |
| CRSR | Corsair Gaming, Inc. | 0 | 2 | 0 | 2 |
| DDD | 3D Systems Corporation | 0 | 0 | 0 | 0 |
| DELL | Dell Technologies 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.