The short answer
Western Digital (WDC) is HALAL on ZakatInvest's qualitative core-business assessment, while the examined total-assets financial screens pass on the current filing. Western Digital develops and sells hard-disk drives and other data-storage devices. Those are generally permissible technology products, but customer end uses, cash-equivalent treatment and the company's interest-bearing convertible notes still warrant review.
This is a reproducible research screen, not a fatwa or investment recommendation. Scholars and screening providers can differ on Treasury and money-market treatment, market-cap denominators, customer end use and whether a technology supplier's downstream use is relevant.
Current quantitative Sharia screen
Based on 10-Q figures for the period ended 2026-04-03; calculated 2026-07-13.
1,600 / 15,045
2,050 / 15,045
3,944 / 15,045
41 / 9,172
- Financial
- Pass
- Overall
- Incomplete
Debt is 10.63%, liquidity is 13.63%, receivables plus cash are 26.21%, and disclosed interest income is 0.45%; each is below the examined FTSE asset and income limits. Business activity remains incomplete because the filing does not quantify a universal prohibited-revenue numerator.
- Financial
- Pass
- Overall
- Incomplete
Debt is 10.63%, liquidity is 13.63% and receivables plus cash are 26.21%, below the examined MSCI total-assets limits. This is a calculation against the named method, not an index-membership claim; business allocation remains incomplete.
- Financial
- Pass
- Overall
- Incomplete
Debt is 10.63% and liquidity is 13.63%, below the examined 33% Malaysia SAC financial limits. This is a calculation against SAC ratios, not an official classification of a U.S.-listed security; screened business revenue remains unavailable.
- Financial
- Not calculated
- Overall
- Not calculated
A properly licensed and reproducible historical market-cap series is not stored, so these methods are not estimated from a current spot price.
Business-activity disclosure
Western Digital develops, manufactures and sells hard-disk drives and data-storage devices for cloud, client and consumer markets. Data-storage hardware is generally permissible technology commerce and no conventional lending segment is disclosed.
Limitation: The filing does not quantify every customer industry, government or surveillance deployment, data-center workload, or product end use into a universal prohibited-revenue numerator.
Purification
Western Digital discloses $41 million of interest income, or 0.45% of nine-month revenue, but does not provide a complete activity-level allocation for customer end uses or every cash-equivalent instrument. No fixed purification percentage is prescribed here; readers should follow the scholar or methodology they use.
Inputs, assumptions and primary sources
- Debt uses $1.600 billion of outstanding 3.00% convertible senior notes at April 3, 2026. Western Digital redeemed its other senior notes and retired its bridge and term loans through a Sandisk-share exchange; operating lease liabilities are not entered as conventional debt.
- Cash uses $2.050 billion of cash and cash equivalents. The filing says cash equivalents are primarily money-market funds invested in U.S. Treasury and government-agency securities, with certificates of deposit and other investments held from time to time; those instruments are not added again as separate securities.
- Receivables use $1.894 billion of net accounts receivable. Western Digital reports no financing arm; customer concentration is disclosed separately.
- Revenue uses $9.172 billion for the nine months ended April 3, 2026. Western Digital reports cloud, client and consumer end markets and operates one HDD reportable segment after the Sandisk separation.
- The filing reports $41 million of interest income for the nine months ended April 3, 2026. It is used for the income screen; gains on retained Sandisk shares and other non-interest items are not treated as interest income.
- Western Digital's principal business is HDD data-storage hardware for cloud, client and consumer markets. The filing does not quantify every customer end use, government or surveillance deployment, or other potentially non-compliant activity into a universal revenue numerator.
This is a reproducible financial screen, not a fatwa. A failed total-assets screen can coexist with a pass under a market-cap methodology. ZakatInvest keeps the qualitative assessment separate so numerical thresholds do not erase material context.
Current quantitative screen
The calculations above use Western Digital's official filing (Form 10-Q for the quarter ended April 3, 2026). Amounts are in USD millions and use total assets as the denominator so the inputs can be reproduced.
- Interest-bearing debt / assets: 10.63%, using $1.600 billion of outstanding 3.00% convertible notes.
- Cash and cash equivalents / assets: 13.63%, using $2.050 billion. The filing says cash equivalents are primarily money-market funds invested in U.S. Treasury and government-agency securities.
- Receivables plus cash / assets: 26.21%, using $1.894 billion of net receivables plus cash.
- Disclosed interest income / sales: 0.45%, using $41 million of interest income against $9.172 billion of nine-month revenue.
FTSE Yasaar, MSCI total-assets and Malaysia SAC financial ratios are below the examined limits on these inputs. Market-cap denominator methods are not calculated because ZakatInvest does not store a licensed, reproducible historical market-cap series. The overall result remains methodology-dependent because the filing does not quantify a universal prohibited-revenue numerator.
What Western Digital does now
Western Digital reports one HDD segment after the Sandisk separation. For the nine months ended April 3, 2026, revenue was $9.172 billion: $8.155 billion from cloud, $501 million from client markets and $516 million from consumer markets. Cloud represented 89% of revenue, driven by high-capacity enterprise products and demand for persistent storage in data-center workloads.
Hard drives and storage devices are neutral technology hardware. The official filing does not quantify every customer industry, government or surveillance deployment, AI workload, or other end use into a universal prohibited-revenue numerator, so a blanket “zero haram revenue” claim would not be supported.
Debt, cash and the Sandisk separation
Western Digital reduced its debt during fiscal 2026 by redeeming senior notes and exchanging its bridge and term loans for Sandisk shares. At April 3, 2026, the remaining $1.600 billion of convertible notes were the company's only outstanding debt. Their stated 3.00% coupon is included transparently in the quantitative input rather than ignored.
Cash equivalents were $2.050 billion and were primarily held in money-market funds invested in U.S. Treasury and government-agency securities. Some methodologies treat these instruments differently, which is why the screen identifies the inputs and leaves a methodology-dependent conclusion rather than presenting one universal ruling.
Qualitative considerations
- Customer end use: Cloud and enterprise customers may deploy storage for AI, surveillance, government or other activities that are not disaggregated in the filing.
- Concentration: The top 10 customers represented 74% of nine-month revenue, so demand and counterparty concentration are material commercial risks.
- Operations: Tariffs, export controls, hyperscale pricing, HAMR technology, component sourcing, labor, e-waste and cybersecurity require continuing diligence.
- Purification: The filing reports $41 million of interest income, or 0.45% of nine-month revenue, but does not prescribe a scholar-approved purification percentage.
The halal verdict
WDC is presented as HALAL on ZakatInvest's qualitative core-business assessment, with the examined FTSE Yasaar, MSCI total-assets and Malaysia SAC financial ratios passing. The result is not an official index membership or fatwa: business activity is incomplete, market-cap methods are not calculated, and cash-equivalent and downstream customer-use treatment can differ by methodology.
Use the quantitative screen alongside the customer-use, cash-equivalent, debt and supply-chain analysis and consult a qualified scholar for your chosen methodology.
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