Kioxia Holdings supply chain risk
As of 2026-09-05, Kioxia Holdings depends on 4 tracked suppliers headquartered in 2 countries (3 of them in Taiwan). 3 of those suppliers hold a monopoly or leader position in their own segment, led by Phison Electronics, Silicon Motion and Adeia Inc.. Kioxia Holdings itself carries a supply-chain criticality score of 68/100, with 235 tracked companies downstream of it.
Data as of 2026-09-05 · suppliers are the curated key_supplier edges in the wafergraph dataset (researched or segment-inferred — see /methodology) · criticality is the graph-derived chokepoint score, 0–100
Dominant and single-source suppliers
- Phison Electronics — leader in Storage Controllers, Taiwan
- Silicon Motion — leader in Storage Controllers, Taiwan
- Adeia Inc. — leader in Semiconductor IP Licensing, United States
A monopoly or leader supplier is the hardest to replace. These are the edges to watch first.
Suppliers by country
- Taiwan — 3 suppliers (75%)
- United States — 1 supplier (25%)
All 4 tracked suppliers
| Supplier | Segment | Position | Country | Criticality |
|---|---|---|---|---|
| Phison Electronics | Storage Controllers | leader | Taiwan | 82/100 |
| Silicon Motion | Storage Controllers | leader | Taiwan | 81/100 |
| Adeia Inc. | Semiconductor IP Licensing | leader | United States | 83/100 |
| Powertech Technology (PTI) | Outsourced Assembly & Test | major | Taiwan | 68/100 |
Downstream exposure
- Criticality score: 68/100
- Companies downstream of Kioxia Holdings: 235
- Tracked market cap downstream (priced companies only): $34.69T across 150 priced companies
Cite as: wafergraph, “Kioxia Holdings supply chain risk — 4 suppliers, single-source exposure & criticality”, https://wafergraph.com/supply-chain-risk/kioxia (data as of 2026-09-05).
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