Western Digital (WDC) Earnings Date & Reports

Key Takeaways

• Western Digital reported fiscal fourth-quarter 2026 revenue of $3.75 billion, up 44% year over year and above consensus estimates.
• Non-GAAP (non-Generally Accepted Accounting Principles) earnings per share (EPS) came in at $3.56, more than doubling from the prior-year quarter and beating the consensus of roughly $3.31 to $3.35.
• Non-GAAP gross margin expanded to 54.4%, up 1,310 basis points (bps) year over year, driven by higher-capacity drives and favorable pricing.
• Management guided fiscal first-quarter 2027 revenue to $4.1 billion, plus or minus $100 million, with non-GAAP EPS of $4.00, plus or minus $0.15.
• Despite the beat-and-raise quarter, shares sold off sharply, reflecting elevated investor expectations heading into the print.

Earnings Context and Why It Matters

Western Digital (WDC) has transformed into a focused hard disk drive (HDD) company after spinning off its Flash business into SanDisk in February 2025. That repositioning has made it a direct play on the surge in mass-capacity storage demand tied to artificial intelligence (AI) and cloud data centers. The fiscal fourth-quarter 2026 report, covering the period ended July 3, 2026, matters because it tests whether Western Digital can keep converting booming demand for nearline (data-center) storage into sustained revenue growth and margin expansion. Coming after several quarters of accelerating results, this print was a key signal on pricing power, technology execution, and the durability of AI-driven storage demand.

Reported Results

Western Digital reported fiscal fourth-quarter 2026 revenue of $3.75 billion, up 44% year over year and roughly 12% sequentially, exceeding consensus expectations of about $3.70 billion. Non-GAAP diluted EPS reached $3.56, up 109% year over year and above both the consensus estimate of approximately $3.31 to $3.35 and the high end of management's prior guidance.

Profitability improved sharply. Non-GAAP gross margin rose to 54.4%, up 1,310 bps year over year and 390 bps sequentially, helped by a mix shift toward higher-capacity drives and stronger pricing, with average price per terabyte improving into the high-teens percentage range. Non-GAAP operating income climbed to $1.66 billion, lifting operating margin to 44.2%, up 1,610 bps from the prior-year period.

The Cloud end market, representing 89% of total revenue, grew 43% year over year to $3.3 billion. Client revenue rose 61% to $225 million, while Consumer revenue increased 38% to $187 million. Western Digital shipped 231 exabytes during the quarter, up 22% year over year.

Cash generation was also strong. The company produced $1.39 billion in operating cash flow and $1.28 billion in free cash flow, up 90% year over year. For full fiscal 2026, revenue grew 36% to $12.9 billion, with non-GAAP EPS more than doubling to $10.22. The board declared a quarterly dividend of $0.15 per share.

Looking ahead, management guided fiscal first-quarter 2027 revenue to $4.1 billion, plus or minus $100 million (up 42% to 49% year over year), non-GAAP gross margin of 55% to 56%, and non-GAAP diluted EPS of $4.00, plus or minus $0.15.

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Market Reaction and Investor Sentiment

The market's response to Western Digital's results was notably negative despite a headline beat. Shares fell roughly 11.7% in the session following the report, with some data providers flagging a two-day decline of about 18%. The selloff came despite revenue and EPS exceeding expectations and guidance coming in ahead of consensus, suggesting that much of the good news was already priced in after a strong run and lofty sentiment in the HDD sector.

Investor interpretation centered on a few concerns. Exabyte growth of 22% year over year was below the roughly 30% pace seen in prior quarters, signaling potential lumpiness in demand. Gross margin guidance for the fiscal first quarter of 2027, while strong at 55% to 56%, was seen by some as slightly below competitor levels. The reaction highlights how elevated expectations, rather than weak fundamentals, can drive post-earnings price action.

Forward Outlook and Key Factors to Monitor

Western Digital enters fiscal 2027 with strong momentum but also high expectations. The fiscal first-quarter 2027 guidance implies continued revenue acceleration and further margin expansion, with non-GAAP gross margin expected to reach 55% to 56%. Investors will be watching whether the company can deliver on that outlook while managing the normal quarter-to-quarter variability in storage demand.

Technology execution is a central theme. Western Digital has begun shipping next-generation 40-terabyte (TB) ePMR (energy-assisted perpendicular magnetic recording) drives and is targeting 44TB HAMR (heat-assisted magnetic recording) products in the first half of calendar 2027. It also expects Ultra SMR (shingled magnetic recording) to account for roughly 60% of nearline exabyte shipments by the end of fiscal 2027. Successful ramps of these higher-capacity products are important to sustaining pricing power and market share.

On the demand side, management cited strong visibility, including long-term customer agreements extending toward calendar 2029 to 2031, and broadening demand from neoclouds, sovereign data centers, and physical-AI companies. Key factors to monitor include exabyte shipment growth, the trajectory of average price per terabyte, gross margin durability, and capital-expenditure trends among major cloud customers. Any softening in cloud spending or an unexpected easing of supply constraints could weigh on the favorable pricing environment that has driven recent margin gains.

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