What's Supporting Western Digital's Gross Margin Momentum?

Core Insights - Western Digital Corporation (WDC) has significantly improved its gross margin performance in the first two quarters of fiscal 2026, reporting a gross margin of 46.1% in the fiscal second quarter, which is an increase of 770 basis points year over year and 220 basis points sequentially, exceeding the company's guidance of 44-45% [2][11] - The improvement in gross margin is attributed to a transition to higher-capacity drives and effective cost management across production and supply chain [2][5] Financial Performance - The company reported an incremental gross margin flow-through of approximately 75%, driven by stable pricing and a decline in costs per terabyte [3] - In the fiscal second quarter, Western Digital shipped over 3.5 million latest-generation ePMR drives, supporting capacities of up to 26TB CMR and 32TB UltraSMR, contributing to a total shipment of 215 exabytes, a 22% year-over-year increase [5] - For the fiscal third quarter, Western Digital expects a non-GAAP gross margin in the range of 47-48% and non-GAAP revenues of $3.2 billion, reflecting a 40% year-over-year increase at the midpoint [6][11] Competitive Landscape - Seagate Technology Holdings plc reported a non-GAAP gross margin of 42.2%, an increase of about 210 basis points quarter over quarter and roughly 670 basis points year over year, driven by the adoption of high-capacity products [7] - Pure Storage, Inc. reported a non-GAAP gross margin of 74.1%, up from 71.9% in the prior year, attributed to increased sales of high-performance FlashArrays and higher hyperscaler shipments [8] - For the fourth quarter of fiscal 2026, Pure Storage expects revenues between $1.02 billion and $1.04 billion, indicating a 17.1% increase at the midpoint from the previous year [9] Market Performance - Over the past three months, WDC's shares have increased by 62.3%, outperforming the Zacks Computer-Storage Devices industry's growth of 40.4% [12] - WDC's shares are currently trading at a forward price/earnings ratio of 22.43X, compared to the industry's 19.26X [13] - The Zacks Consensus Estimate for WDC's earnings for fiscal 2026 has been revised up by 17.3% to $8.95 over the past 60 days [14]