HIGHOutside partyCustomer
79%
top 10 customers
“10-K Item 1A: 'our top 10 customers represented 79% of total revenue for 2025'”
CLS · Concentration risk · 10-K extracted
Celestica (CLS) concentration risks
Updated
The most significant concentration Celestica discloses is top 10 customers at 79%, 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: Celestica’s SEC Form 10-K filed — view the filing on SEC EDGAR ↗
At a glance
Disclosed-size breakdown · 4 disclosed concentrations
HIGH2
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).
HIGHBuilt-inProduct / Revenue mix
74%
CCS segment
“10-K Item 1A: 'CCS segment revenue represented 74% of our consolidated revenue in 2025'”
MEDIUMBuilt-inProduct / Revenue mix
41%
HPS revenue
“10-K Item 1: 'HPS revenue accounted for 41% of our total revenue'”
MEDIUMOutside partyCustomer
32%
three CCS customers (32%, 14%, 12%)
“10-K Item 1A: 'three customers in our CCS segment individually represented 10% or more of total revenue (32%, 14% and 12%)'”
TrendMatrix Research · concentration synthesis
What these concentrations mean together
updated 2026-06-24The company's disclosed concentration profile is notable for the depth of its customer and segment dependencies, which stack on one another to create a profile more concentrated than the top-line revenue diversification might suggest. The top 10 customers represented 79% of total revenue for 2025 — a high-share dependency concentration where a small group of buyers accounts for nearly four-fifths of the business. Within that customer list, three customers in the Communications and Cloud Services (CCS) segment individually represented 10% or more of total revenue, at 32%, 14%, and 12% respectively — together accounting for well over half of consolidated revenues from just three relationships. The segment structure amplifies the customer concentration. CCS segment revenue represented 74% of consolidated revenue in 2025 — a high-share structural concentration in both the segment's role and in the company's positioning toward communications and hyperscale infrastructure customers. Within CCS, HPS revenue accounted for 41% of total revenue — a medium-share structural sub-concentration that further narrows the product basis within the dominant segment. Taken together, the profile is one of compounding concentration: the business is heavily reliant on CCS, CCS itself is dominated by a small number of large hyperscale and communications customers, and the three largest of those customers each represent individually material shares. The key investment watchpoint is the health and growth trajectory of those top three CCS relationships, as they collectively drive a large portion of consolidated revenue.
For the engine’s reasoning on CLS’s current verdict — including which dimensions drove the score — see the per-dimension breakdown.
Industry peers · Electronic Components
Peer concentration profile
| Symbol | Name | HIGH | MEDIUM | LOW | Total |
|---|---|---|---|---|---|
| CLS● | Celestica, Inc. | 2 | 2 | 0 | 4 |
| APH | Amphenol Corporation | 2 | 1 | 1 | 4 |
| BELFB | Bel Fuse Inc. | 2 | 1 | 0 | 3 |
| BHE | Benchmark Electronics, Inc. | 2 | 0 | 0 | 2 |
| FLEX | Flex Ltd. | 1 | 3 | 1 | 5 |
| BELFA | Bel Fuse Inc. | 0 | 2 | 0 | 2 |
Concentration counts reflect items disclosed in each peer’s most recent 10-K; disclosed-size classification uses TrendMatrix’s internal 10-K extraction taxonomy.