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Kioxia (285A) investor relations material
Kioxia Q4 2026 earnings summary
Complete event summary combining all related documents: earnings call transcript, report, and slide presentation.Executive summary
Technology leadership in AI and memory drove record revenue and profitability for the year ended March 31, 2026, with strong demand for 8th-gen BiCS FLASH, TLC, and QLC SSDs.
Revenue for FY ended March 2026 rose 37% year-over-year to ¥2,337.6 billion, driven by higher ASPs and demand from AI/data center customers.
Operating profit approximately doubled year-over-year, reflecting robust AI-driven demand and improved financial strength.
The business operates as a single Memory segment, with SSD & Storage and Smart Devices as key product lines.
Cash and cash equivalents at year-end increased to ¥470.7 billion, reflecting strong operating cash flow.
Financial highlights
FY2025 revenue reached ¥2,337.6 billion, up 37% year-over-year, with record highs in gross profit (¥1,103.2 billion) and operating profit (¥876.2 billion).
SSD & Storage revenue grew by ¥371.5 billion year-over-year to ¥1,362.6 billion; Smart Devices revenue increased by ¥258.8 billion to ¥760.0 billion.
Q4 revenue was ¥1,002.9 billion, doubling quarter-over-quarter; Q4 operating profit was ¥599.1 billion, up 314% QoQ.
Free cash flow for the year hit a record ¥395.0 billion, with Q4 FCF at ¥241.1 billion.
Net debt-to-equity ratio improved to 39% from 126% the previous year.
Outlook and guidance
FY2026 Q1 guidance projects revenue of ¥1,750.0 billion and operating profit of ¥1,300.0 billion, representing sequential increases of 74.5% and 117%, respectively.
Bit growth rate for CY26 expected in the high teens, with demand anticipated to exceed supply in CY27.
Strategic focus on expanding 8th-gen and launching 10th-gen BiCS FLASH, capital investment of ¥450 billion, and early repayment of ¥400 billion in senior loans.
- Record Q3 results and strong outlook driven by AI demand and improved financials.285A
Q3 202612 Feb 2026 - AI-fueled NAND demand drove record Q2 growth and a strong Q3 outlook despite YoY declines.285A
Q2 202613 Nov 2025 - Q1 saw revenue and profit rebound sequentially, with refinancing boosting liquidity and outlook.285A
Q1 20268 Aug 2025 - Record profit and revenue growth as AI and data center demand fuel NAND market strength.285A
Q4 20256 Jun 2025
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