Kioxia Holdings forecasts an operating profit of 1.89 trillion yen ($11.78 billion) for the July-September quarter.
Surging demand for NAND flash memory in AI data centers drives the projection.
Net profit for the April-June quarter increased 46-fold year-over-year to 842.1 billion yen.
The company reported record revenue during the April-June period.
Kioxia announced an 800 billion yen share buyback program.
The company will also execute a three-for-one stock split.