HIGHOutside partySupplier
sole source suppliers
“10-K Item 1A: 'We obtain some of the components and materials used in our products, such as printed circuit board assemblies, plating materials and ceramic substrates, from a sole source'”
FORM · Concentration risk · 10-K extracted
FormFactor (FORM) concentration risks
Updated
The most significant concentration FormFactor 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: FormFactor’s SEC Form 10-K filed — view the filing on SEC EDGAR ↗
At a glance
Disclosed-size breakdown · 4 disclosed concentrations
HIGH1
MEDIUM2
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).
MEDIUMOutside partyCustomer
SK hynix Inc.
“10-K Item 1: 'SK hynix Inc.| 19.2 | %| | 24.5 | %| | 25.0 | %| | 23.3 | %'”
MEDIUMBuilt-inProduct / Revenue mix
probe cards
“10-K Item 1A: 'We derive the majority of our revenues from the sale of our probe card products'”
LOWBuilt-inGeographic
7%
China
“10-K Item 1: 'approximately 7% of our fiscal 2025 revenue and 14% of our fiscal 2024 revenue was derived from sales to customers in China'”
TrendMatrix Research · concentration synthesis
What these concentrations mean together
updated 2026-06-24The company's disclosed concentration profile combines a high-share supplier dependency, medium-share customer and product exposures, and a small geographic tilt — a layered profile where the sourcing risk is the most idiosyncratic variable. The highest-disclosed-size exposure is the sole-source supplier dependency: certain components — including printed circuit board assemblies, plating materials, and ceramic substrates — are sourced from a single supplier. This is a high-share dependency by disclosed size and represents the most acute scenario-specific risk in the profile. If a sole-source supplier is disrupted by operational, financial, or geopolitical events, the company's ability to produce probe cards or other test equipment would be impaired on a potentially rapid timeline. Qualification of alternative sources is a lengthy process in precision manufactured components. SK hynix Inc. is disclosed as a significant customer, a medium-share dependency by disclosed size. The figure in the filing appears in a pipe-delimited table format and is therefore described qualitatively rather than cited as a precise number. Probe cards represent the majority of revenues, also a medium-share structural exposure by disclosed size — the company's revenue is inherently tied to the semiconductor test cycle, which is itself a capital spending decision of major chip manufacturers. China-derived revenue was approximately 7% of fiscal 2025 revenue, a small share by disclosed size and structural in character, but notable given export control risks in the semiconductor equipment sector. Together, the sole-source supplier dependency stands out as the variable most likely to cause a discrete, near-term operational disruption.
For the engine’s reasoning on FORM’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 |
| FORM● | FormFactor, Inc. | 1 | 2 | 1 | 4 |
| AMKR | Amkor Technology, Inc. | 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.