Kioxia Holdings, the Japanese NAND flash memory manufacturer, has seen its market value decline significantly since its June 2026 peak, as broader chip stocks faced a sell-off. On June 3, Kioxia’s shares had surged to a year-to-date high of 660%, driven by NAND chips in AI data centers and limited new supply. However, by July 16, the company’s stock had fallen sharply, with its market capitalization dropping to half of its June high.
The decline followed a broader selloff in AI-related stocks, triggered in part by reports that OpenAI, the maker of ChatGPT, was considering delaying its IPO until 2027. Kioxia’s shares fell 12% on June 26 alone, marking largest single-day drops since listing. Despite earlier optimism fueled by record quarterly earnings and a projected 74% operating margin for the April-June 2026 quarter, investor sentiment has turned cautious amid concerns over the sustainability of current demand and potential oversupply in the NAND market.
Kioxia has announced plans to list American Depositary Shares (ADS) in the U.S. to expand its investor base, but the timing and details remain pending regulatory approval. Meanwhile, the company’s financial performance remains robust, with full-year 2025 revenue reaching 2.337 trillion yen and operating profit rising 93% year-on-year. Analysts remain divided on the company’s valuation, with some citing a forward P/E ratio of 7.9x as undervalued, while others warn of the cyclical nature of the NAND industry.
As Kioxia navigates a volatile market environment, the coming months will be critical in determining whether its recent losses are a temporary correction or a sign of broader challenges in the AI-driven memory sector.
