Western Digital Posts Strong Q3 Earnings on AI‑Driven HDD Demand, but Stock Valuation Remains a Concern

Western Digital posted fiscal third‑quarter 2026 results for the period ended April 3, showing revenue of $3.34 billion, up 11% from the prior quarter and 45% versus the same quarter a year earlier. The growth was powered by a surge in demand for traditional hard‑disk drives (HDDs) that underpin AI training, inference and emerging "physical AI" applications, according to CEO Irving Tan. The company’s gross margin topped 50% – a 450‑basis‑point improvement quarter‑over‑quarter – reflecting both pricing power and cost efficiencies after the spin‑off of its flash business into SanDisk last year.

Operating income rose to $1.19 billion, translating to a GAAP operating margin of 35.7% and a non‑GAAP margin of 38.6%, the highest in the company’s recent history. Diluted net income per share more than doubled year‑over‑year to $8.20, while non‑GAAP earnings per share climbed 28% to $2.72. The stronger earnings base allowed Western Digital to increase its cash dividend by 20% to $0.15 per share, payable on June 17, a move aimed at rewarding shareholders while the firm continues to generate robust free cash flow of $978 million for the quarter.

The earnings beat comes amid a broader market rally for data‑storage stocks, as AI‑related data growth fuels demand for high‑capacity, low‑cost storage solutions. HDDs remain the most cost‑effective medium for petabyte‑scale datasets, and Western Digital’s focus on enterprise‑grade drives positions it well against rivals such as Seagate. However, the company’s long‑term growth outlook is tempered by the ongoing shift toward solid‑state drives (SSDs) and the fact that its flash segment now operates as an independent entity. Analysts note that while HDD volumes are currently buoyed by AI, any slowdown in model training or a rapid price decline in SSDs could compress margins.

Investors should weigh the earnings uplift against the stock’s current market dynamics. As of the latest close, WDC traded at $434.52, up roughly 5% on the day and 60% year‑to‑date, placing it near its 52‑week high and well above its 50‑day and 200‑day simple moving averages. The Relative Strength Index sits at 86, signaling an overbought condition. Despite the price surge, the consensus analyst price target remains at $309.31, implying a downside of nearly 29% from today’s level. The discrepancy suggests that the market may be pricing in short‑term AI‑driven demand, while the broader analyst community remains cautious about sustainability and valuation.

Looking ahead, Western Digital projected fiscal fourth‑quarter revenue of $3.65 billion, give or take $100 million, with a non‑GAAP gross margin of 51.5% and non‑GAAP EPS of $3.25. Management highlighted continued balance‑sheet strength – cash and equivalents rose to $2.05 billion, and total shareholders’ equity climbed to $9.68 billion – providing flexibility for share repurchases, dividend growth, and potential strategic acquisitions. Yet the guidance also underscores reliance on the same AI‑driven HDD demand curve, leaving the company exposed to macro‑level shifts in AI investment cycles.

In summary, Western Digital’s Q3 results showcase a company capitalizing on a niche but rapidly expanding AI storage market, delivering impressive margin expansion and shareholder returns. Nevertheless, investors should remain vigilant about the stock’s lofty valuation, overbought technical signals, and the inherent volatility of AI‑related demand. The upcoming quarter’s performance, coupled with broader trends in data‑storage technology, will be critical in determining whether the current rally can be sustained or if a correction toward analyst‑based targets is imminent.