Kioxia Stock Plummets 65% as Japanese Chipmaker Weighs Shareholder Returns

Kioxia Holdings Corp. shares have collapsed 65% from their June high, prompting management to consider accelerating dividend payouts and launching share buybacks to support shareholder value. The stock's dramatic reversal follows a spectacular rally that briefly made the Japanese memory chipmaker Japan's most valuable listed company.

From Peak to Correction

The selloff has erased approximately $245 billion in market capitalization since Kioxia's all-time high of ¥112,700 on June 22. At that peak, the company's market value briefly exceeded Toyota Motor Corp., marking a historic milestone for the memory chipmaker. The stock's ascent had been fueled by strong demand from data centers racing to secure NAND flash memory supplies for artificial intelligence infrastructure buildouts, driving consistent margin expansion throughout the first half of the year.

The decline accelerated in July as broader weakness spread through AI-related equities globally. Investor concerns centered on crowded positioning in the AI trade, deteriorating momentum, and rising competitive threats. South Korean peers SK Hynix and Samsung experienced similar double-digit declines during the same period, indicating sector-wide pressure rather than company-specific problems.

Management Response and Shareholder Returns

Management outlined dividend priorities during a June investor day, while explicitly reserving the right to adjust strategy based on market conditions. A company spokesperson confirmed that buyback plans remain under active evaluation but have not reached a concrete decision stage. Analysts suggest that current valuations make share repurchases more economically defensible than at previous price levels, potentially signaling management's confidence in long-term fundamentals.

Ikuo Mitsui, a fund manager at Aizawa Securities, emphasized that the reasoning behind any buyback announcement would matter as much as the action itself. He noted that such a move could communicate to markets that management views the stock as oversold. Daiwa Securities Capital Markets Korea analyst SK Kim highlighted that Kioxia's strong free cash flow generation—supported by long-term supply agreements and sustained data center demand—provides sufficient financial flexibility for enhanced shareholder returns while maintaining operational investment capacity.