Western Digital
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Western Digital (WDC) investor relations material

Western Digital Q4 2026 earnings summary

Complete event summary combining all related documents: earnings call transcript, report, and slide presentation.
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Q4 2026 earnings summary5 Aug, 2026

Executive summary

  • Fiscal 2026 revenue grew 36% to $12.92 billion, with Q4FY26 revenue at $3.75 billion, up 44% year-over-year, driven by strong demand in cloud, AI, and data-intensive workloads.

  • Gross and operating margins expanded significantly, with non-GAAP gross margin at 54.4% and operating margin at 44.2% in Q4FY26.

  • Non-GAAP EPS for Q4FY26 was $3.56, up 109% year-over-year; fiscal year non-GAAP EPS more than doubled to $10.22.

  • Generated $3.51 billion in free cash flow for fiscal 2026 and ended the year with a net positive cash position.

  • Began shipping next-generation 40TB ePMR drives and ramped UltraSMR technology with major customers.

Financial highlights

  • Q4FY26 revenue was $3.75 billion, up 44% year-over-year and 12% sequentially; fiscal 2026 revenue totaled $12.92 billion, up 36% year-over-year.

  • Q4FY26 non-GAAP gross margin was 54.4% (up 1,310 bps YoY); operating margin was 44.2% (up 1,610 bps YoY); fiscal year non-GAAP gross margin was 49.1%.

  • Q4FY26 non-GAAP operating income was $1.66 billion (+126% YoY); fiscal year non-GAAP net income was $3.88 billion (+120% YoY).

  • Q4FY26 free cash flow was $1.28 billion (34% margin); fiscal year free cash flow was $3.51 billion.

  • Q4FY26 GAAP diluted EPS was $8.21 (+1125% YoY); non-GAAP diluted EPS was $3.56 (+109% YoY).

Outlook and guidance

  • Q1FY27 revenue expected at $4.1 billion ±$100 million, reflecting 42–49% year-over-year growth.

  • Q1FY27 non-GAAP gross margin guidance is 55–56%; operating expenses expected at $390–$400 million.

  • Q1FY27 diluted EPS expected at $4.00 ±$0.15; tax rate at 17%.

  • Board declared a $0.15 per share dividend, payable September 17, 2026.

  • High conviction in sustained demand from AI, cloud, and data-intensive workloads, with no need for major CapEx to add unit capacity.

Drivers for the Q1 gross margin expansion
What drove the $2.05B gain on Sandisk interest?
Detail the $198M litigation matter credit
FY27 nearline exabyte outlook with 40TB ePMR
AI workload contribution to Cloud revenue growth
Sandisk retained interest monetization strategy
High bandwidth drive sampling and performance
LTA commercial constructs for 2029-2031
Storage demand from synthetic data generation
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