Western Digital (WDC) Stock Surges 6% as AI Data Center Demand Drives Q4 Beat

Key Takeaways

• Western Digital shares surged 5.9% to reach $467.46, propelled by sector-wide memory stock momentum and enthusiasm around AI data center growth.
• The company exceeded quarterly expectations, delivering $3.56 in earnings per share and $3.75 billion in total revenue.
• Forward guidance for Q1 2027 projects EPS between $3.85 and $4.15, with anticipated revenue near $4.1 billion.
• Wall Street maintains a “Moderate Buy” rating with a consensus price target of $534.56.
• CEO Irving Tan divested $8.9 million worth of shares in August, contributing to over $10 million in insider selling during the previous quarter.

Shares of Western Digital (WDC) advanced 5.9% during Friday’s trading session, reaching an intraday peak of $468.19 before closing at $467.46. This represented a notable jump from Thursday’s closing price of $441.57.

Western Digital Corporation, WDC

The rally coincided with widespread gains across memory and storage equities, including a 7% rise for SK Hynix and a 5% increase for Seagate. Market participants are increasingly confident that sustained AI infrastructure investment will bolster both pricing power and profitability throughout the industry.

Over the past half-year, WDC has accumulated approximately 70% in gains, although it continues trading significantly below its 52-week peak of $799.87 recorded in June.

Quarterly Results Exceed Expectations

Western Digital unveiled its fiscal Q4 performance on August 5th, surpassing analyst projections on both revenue and earnings fronts. Earnings per share registered at $3.56, outpacing the Street’s $3.31 forecast. Revenue totaled $3.75 billion compared to expectations of $3.70 billion, marking a 44% year-over-year expansion.

Cloud-related sales dominated the period, representing approximately 89% of overall revenue at $3.3 billion—a 43% annual increase. Particularly robust was the appetite for high-capacity nearline HDDs deployed in data center environments.

Non-GAAP gross margin widened to 54.4% while operating margin climbed to 44.2%. Return on equity stood at 48.15%.

Looking ahead to Q1 2027, executives forecast revenue of roughly $4.1 billion alongside EPS ranging from $3.85 to $4.15. Non-GAAP gross margin is projected to land between 55% and 56%.

Price and Cost Dynamics Under Scrutiny

Pricing per terabyte climbed in the high-teen percentage range compared to the prior year, supported by extended customer contracts stretching from 2029 through 2031. Simultaneously, cost per terabyte declined approximately 8% during the quarter, with management pursuing an ongoing 10% annual cost reduction objective.

The company is accelerating production of its next-wave ePMR drives featuring capacities reaching 40TB, while UltraSMR technology is expected to comprise roughly 60% of nearline shipments by fiscal 2027.

During fiscal 2026, WDC distributed $3.1 billion to shareholders through a combination of $1 billion in stock repurchases and $54 million in dividends during Q4 specifically. The year concluded with approximately $500 million in net cash on the balance sheet.

Analyst sentiment leans toward “Moderate Buy” territory. Price objectives vary substantially, with Cantor Fitzgerald establishing a $900 target, JPMorgan setting $650, and Susquehanna at $500. The mean target stands at $534.56.

On a more cautious note, CEO Irving Tan offloaded 20,000 shares on August 11th, generating approximately $8.9 million in proceeds. Aggregate insider dispositions during the most recent quarter exceeded $10.4 million. These sales were conducted through predetermined Rule 10b5-1 trading arrangements.

Technical indicators show the 50-day moving average positioned at $508.41 and the 200-day at $445.56. The stock currently trades at 7.52 times forward revenue, elevated compared to the sector average of 3.05.

Zacks upgraded its fiscal 2027 EPS projection by 7.5% to $20.03 and lifted its fiscal 2028 forecast by 7.6% to $34.74 during the past 60-day window.