How many suppliers does Kioxia Holdings have?

wafergraph tracks 4 key suppliers for Kioxia Holdings, across 2 countries.

Which of Kioxia Holdings's suppliers are single-source risks?

Phison Electronics, Silicon Motion and Adeia Inc. hold monopoly or leader positions in their segments, which makes them the hardest suppliers for Kioxia Holdings to replace.

What is Kioxia Holdings's supply-chain criticality score?

Kioxia Holdings scores 68/100 on wafergraph's chokepoint criticality index, with 235 tracked companies downstream.

Kioxia Holdings supply chain risk

As of 2026-10-09, 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 2026-10-09 · 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 criticality 82/100
Silicon Motion — leader in Storage Controllers, Taiwan criticality 81/100
Adeia Inc. — leader in Semiconductor IP Licensing, United States criticality 83/100

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): $35.95T across 147 priced companies

Frequently asked questions3

How many suppliers does Kioxia Holdings have?: wafergraph tracks 4 key suppliers for Kioxia Holdings, across 2 countries.
Which of Kioxia Holdings's suppliers are single-source risks?: Phison Electronics, Silicon Motion and Adeia Inc. hold monopoly or leader positions in their segments, which makes them the hardest suppliers for Kioxia Holdings to replace.
What is Kioxia Holdings's supply-chain criticality score?: Kioxia Holdings scores 68/100 on wafergraph's chokepoint criticality index, with 235 tracked companies downstream.

Cite as: wafergraph, “Kioxia Holdings supply chain risk — 4 suppliers, single-source exposure & criticality”, https://wafergraph.com/supply-chain-risk/kioxia (data as of 2026-10-09).

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