Western Digital Revenue Jumps 44%, but WDC Falls After the Beat

Western Digital shares dropped in extended trading, falling 11.79% to $457.96 as of 19:59 ET on August 5, 2026, following its quarterly results. The after-hours move was recorded by MarketBeat.

The company reported fiscal fourth-quarter revenue of $3,747 million, or $3.75 billion, up 44% year over year, and non-GAAP diluted EPS of $3.56. GAAP diluted EPS was $8.21. Western Digital disclosed the results for the period ended July 3, 2026, in its press release.

For fiscal Q1 2027, the company guided revenue to $4.1 billion ± $100 million, implying approximately 42% to 49% year-over-year growth, and forecast non-GAAP EPS of about $4.00 at the midpoint, according to the same filing.

Q4 FY2026 numbers and guidance

Confirmed details:

• Revenue: $3,747 million ($3.75 billion), +44% year over year (press release).
• Non-GAAP diluted EPS: $3.56; GAAP diluted EPS: $8.21 (press release).
• Period covered: fiscal Q4, ended July 3, 2026 (press release).
• Outlook for fiscal Q1 2027: revenue $4.1 billion ± $100 million (implying ~42%–49% YoY growth) and non-GAAP EPS around $4.00 at the midpoint (press release).

Market reaction and what it may signal

Confirmed: WDC fell 11.79% after-hours to $457.96 following the report (MarketBeat).

Reasonable inference: The decline indicates investors focused on elements beyond headline growth, such as the quality of earnings or the forward outlook. While Western Digital guided to fiscal Q1 2027 revenue of $4.1 billion ± $100 million and non-GAAP EPS near $4.00, after-hours price action suggests positioning, expectations, or mix considerations may have weighed on sentiment. These interpretations are not confirmed by the company.

What to watch next

The next checkpoint is the regular U.S. trading session on August 6, when price discovery moves from after-hours to the cash market.

From operations, the immediate metrics to track are whether fiscal Q1 2027 revenue lands within the $4.1 billion ± $100 million range and if non-GAAP EPS is around $4.00, as guided in the press release. Any updates to demand trends and pricing that affect those targets will be the key inputs for the next leg of the stock’s move.

Disclaimer: This article is provided for informational purposes only. It is not offered or intended to be used as legal, tax, investment, financial, or other advice.