Following the May 2023 decision of its cybersecurity review of our products sold in China, the CAC determined that critical information infrastructure operators in China may not purchase Micron products.
↳ A whole class of Chinese state-linked customers has been blocked from buying Micron for two years. That's revenue Micron simply can't get back without geopolitics shifting.
If most of a company's money comes from a small number of customers, that's customer concentration. Lose one big buyer, lose a lot of revenue all at once.
Micron's biggest customer is 13% of revenue. Their top ten are over half. That's a lot riding on a few phone calls.
Wall Street calls this
Customer concentration
Tells you how *fragile* the boom is. A few customers cutting orders moves the whole story.
From the 10-Q · who buys from Micron
Revenue from one customer was 13% of total revenue for the first six months of 2026... over half of our total revenue came from our top ten customers... approximately one-half of our total revenue was concentrated in the data center end market.
↳ Half their money from data centers. Top 10 customers = over half. AI demand IS the story — but it's a concentrated story.
Source · 10-Q · Segment Information · Q2 FY26 · Filed Mar 19, 2026
⚠
Watch
China demand structurally blocked. Cyclicality still the bigger question.