Tearsheet

Western Digital (WDC)


Market Price (5/3/2026): $429.26 | Market Cap: $146.8 Bil
Sector: Information Technology | Industry: Technology Hardware, Storage & Peripherals

Western Digital (WDC)


Market Price (5/3/2026): $429.26
Market Cap: $146.8 Bil
Sector: Information Technology
Industry: Technology Hardware, Storage & Peripherals

Investment Highlights Why It Matters Detailed financial logic regarding cash flow yields vs trend-riding momentum.

0

Strong revenue growth
Rev Chg LTMRevenue Change % Last Twelve Months (LTM) is 32%

Attractive operating margins
Op Mgn LTMOperating Margin = Operating Income / Revenue Reflects profitability before taxes and before impact of capital structure (interest payments). is 31%

Attractive cash flow generation
CFO/Rev LTMCash Flow from Operations / Revenue (Sales), Last Twelve Months (LTM) is 28%, FCF/Rev LTMFree Cash Flow / Revenue (Sales), Last Twelve Months (LTM) is 25%, CFO LTM is 3.3 Bil, FCF LTM is 2.9 Bil

Stock buyback support
Stock Buyback 3Y Total is 2.1 Bil

Megatrend and thematic drivers
Megatrends include Artificial Intelligence, and Cloud Computing. Themes include Data Centers & Infrastructure, Hybrid Cloud Solutions, Show more.

Trading close to highs
Dist 52W High is -0.7%, Dist 3Y High is -0.7%

Stock price has recently run up significantly
6M Rtn6 month market price return is 188%, 12M Rtn12 month market price return is 870%

Valuation getting more expensive
P/S 6M Chg %Price/Sales change over 6 months. Declining P/S indicates valuation has become less expensive. is 129%

Key risks
WDC key risks include [1] heavy revenue concentration with a few large, Show more.

0 Strong revenue growth
Rev Chg LTMRevenue Change % Last Twelve Months (LTM) is 32%
1 Attractive operating margins
Op Mgn LTMOperating Margin = Operating Income / Revenue Reflects profitability before taxes and before impact of capital structure (interest payments). is 31%
2 Attractive cash flow generation
CFO/Rev LTMCash Flow from Operations / Revenue (Sales), Last Twelve Months (LTM) is 28%, FCF/Rev LTMFree Cash Flow / Revenue (Sales), Last Twelve Months (LTM) is 25%, CFO LTM is 3.3 Bil, FCF LTM is 2.9 Bil
3 Stock buyback support
Stock Buyback 3Y Total is 2.1 Bil
4 Megatrend and thematic drivers
Megatrends include Artificial Intelligence, and Cloud Computing. Themes include Data Centers & Infrastructure, Hybrid Cloud Solutions, Show more.
5 Trading close to highs
Dist 52W High is -0.7%, Dist 3Y High is -0.7%
6 Stock price has recently run up significantly
6M Rtn6 month market price return is 188%, 12M Rtn12 month market price return is 870%
7 Valuation getting more expensive
P/S 6M Chg %Price/Sales change over 6 months. Declining P/S indicates valuation has become less expensive. is 129%
8 Key risks
WDC key risks include [1] heavy revenue concentration with a few large, Show more.

Valuation, Metrics & Events

Price Chart

Why The Stock Moved

Qualitative Assessment

AI Analysis | Feedback

Western Digital (WDC) stock has gained about 75% since 1/31/2026 because of the following key factors:

1. Exceptional Financial Performance and AI-Driven Demand.

Western Digital reported robust fiscal Q2 and Q3 2026 results, significantly surpassing analyst expectations. Fiscal Q2 non-GAAP EPS was $2.13, exceeding estimates by 11-16%, with revenue up 25% year-over-year to $3.02 billion. Fiscal Q3 non-GAAP EPS of $2.72 exceeded consensus by $0.31, representing 97% year-over-year growth, while revenue surged 45% year-over-year to $3.34 billion, also surpassing estimates. This strong performance was largely fueled by soaring demand from hyperscalers for high-capacity Hard Disk Drives (HDDs) to support AI workloads, leading to Western Digital fully booking its 2026 production capacity. The company also issued a bullish fiscal Q4 2026 outlook, projecting revenue of $3.65 billion (+/- $100 million) and non-GAAP EPS of $3.25 (+/- 15 cents).

2. Strategic Transformation and Expanding Profitability.

Following its 2025 corporate split, Western Digital successfully transitioned into a focused leader in high-capacity HDDs, divesting its lower-margin flash business. This strategic shift resulted in a significant expansion of profitability, with non-GAAP gross margins reaching a record 46.1% in Q2 FY2026 and further improving to 50.5% in Q3 FY2026. Operating income in Q3 FY2026 rose 116% year-over-year, with the operating margin expanding to 38.6%, demonstrating enhanced operational efficiency and pricing power.

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Stock Movement Drivers

Fundamental Drivers

The 72.5% change in WDC stock from 1/31/2026 to 5/2/2026 was primarily driven by a 55.4% change in the company's Net Income Margin (%).
(LTM values as of)13120265022026Change
Stock Price ($)250.11431.5272.5%
Change Contribution By: 
Total Revenues ($ Mil)10,73411,7779.7%
Net Income Margin (%)35.4%55.1%55.4%
P/E Multiple22.422.81.5%
Shares Outstanding (Mil)341342-0.3%
Cumulative Contribution72.5%

LTM = Last Twelve Months as of date shown

Market Drivers

1/31/2026 to 5/2/2026
ReturnCorrelation
WDC72.5% 
Market (SPY)3.6%56.1%
Sector (XLK)12.6%58.9%

Fundamental Drivers

The 187.6% change in WDC stock from 10/31/2025 to 5/2/2026 was primarily driven by a 118.1% change in the company's Net Income Margin (%).
(LTM values as of)103120255022026Change
Stock Price ($)150.02431.52187.6%
Change Contribution By: 
Total Revenues ($ Mil)10,12611,77716.3%
Net Income Margin (%)25.3%55.1%118.1%
P/E Multiple20.222.812.4%
Shares Outstanding (Mil)3453420.9%
Cumulative Contribution187.6%

LTM = Last Twelve Months as of date shown

Market Drivers

10/31/2025 to 5/2/2026
ReturnCorrelation
WDC187.6% 
Market (SPY)5.5%54.4%
Sector (XLK)8.0%61.2%

Fundamental Drivers

The 888.1% change in WDC stock from 4/30/2025 to 5/2/2026 was primarily driven by a 268.2% change in the company's Net Income Margin (%).
(LTM values as of)43020255022026Change
Stock Price ($)43.67431.52888.1%
Change Contribution By: 
Total Revenues ($ Mil)8,37711,77740.6%
Net Income Margin (%)15.0%55.1%268.2%
P/E Multiple12.122.888.7%
Shares Outstanding (Mil)3463421.2%
Cumulative Contribution888.1%

LTM = Last Twelve Months as of date shown

Market Drivers

4/30/2025 to 5/2/2026
ReturnCorrelation
WDC888.1% 
Market (SPY)30.4%46.0%
Sector (XLK)55.1%54.5%

Fundamental Drivers

The 1582.9% change in WDC stock from 4/30/2023 to 5/2/2026 was primarily driven by a 2320.9% change in the company's P/S Multiple.
(LTM values as of)43020235022026Change
Stock Price ($)25.64431.521582.9%
Change Contribution By: 
Total Revenues ($ Mil)15,75211,777-25.2%
P/S Multiple0.512.52320.9%
Shares Outstanding (Mil)318342-7.0%
Cumulative Contribution1582.9%

LTM = Last Twelve Months as of date shown

Market Drivers

4/30/2023 to 5/2/2026
ReturnCorrelation
WDC1582.9% 
Market (SPY)78.7%54.1%
Sector (XLK)119.1%59.4%

Return vs. Risk

Price Returns Compared

 202120222023202420252026Total [1]
Returns
WDC Return18%-52%66%14%288%152%954%
Peers Return49%-30%60%24%97%64%560%
S&P 500 Return27%-19%24%23%16%5%92%

Monthly Win Rates [3]
WDC Win Rate50%42%58%67%92%75% 
Peers Win Rate63%38%63%57%63%65% 
S&P 500 Win Rate75%42%67%75%67%50% 

Max Drawdowns [4]
WDC Max Drawdown-11%-54%-0%-6%-32%0% 
Peers Max Drawdown-6%-40%-5%-6%-32%-8% 
S&P 500 Max Drawdown-1%-25%-1%-2%-15%-7% 


[1] Cumulative total returns since the beginning of 2021
[2] Peers: STX, MU, DELL, HPE, NTAP. See WDC Returns vs. Peers.
[3] Win Rate = % of calendar months in which monthly returns were positive
[4] Max drawdown represents maximum peak-to-trough decline within a year
[5] 2026 data is for the year up to 5/1/2026 (YTD)

How Low Can It Go

EventWDCS&P 500
2025 US Tariff Shock
  % Loss-42.9%-18.8%
  % Gain to Breakeven75.1%23.1%
  Time to Breakeven60 days79 days
2024 Yen Carry Trade Unwind
  % Loss-29.9%-7.8%
  % Gain to Breakeven42.6%8.5%
  Time to Breakeven320 days18 days
2023 SVB Regional Banking Crisis
  % Loss-25.4%-6.7%
  % Gain to Breakeven34.1%7.1%
  Time to Breakeven100 days31 days
2022 Inflation Shock & Fed Tightening
  % Loss-51.2%-24.5%
  % Gain to Breakeven104.9%32.4%
  Time to Breakeven544 days427 days
2020 COVID-19 Crash
  % Loss-58.0%-33.7%
  % Gain to Breakeven138.3%50.9%
  Time to Breakeven337 days140 days
Q4 2018 Fed Policy Error / Growth Scare
  % Loss-39.9%-19.2%
  % Gain to Breakeven66.5%23.7%
  Time to Breakeven212 days105 days

Compare to STX, MU, DELL, HPE, NTAP

In The Past

Western Digital's stock fell -42.9% during the 2025 US Tariff Shock. Such a loss loss requires a 75.1% gain to breakeven.

Preserve Wealth

Limiting losses and compounding gains is essential to preserving wealth.

Asset Allocation

Actively managed asset allocation strategies protect wealth. Learn more.

EventWDCS&P 500
2025 US Tariff Shock
  % Loss-42.9%-18.8%
  % Gain to Breakeven75.1%23.1%
  Time to Breakeven60 days79 days
2024 Yen Carry Trade Unwind
  % Loss-29.9%-7.8%
  % Gain to Breakeven42.6%8.5%
  Time to Breakeven320 days18 days
2023 SVB Regional Banking Crisis
  % Loss-25.4%-6.7%
  % Gain to Breakeven34.1%7.1%
  Time to Breakeven100 days31 days
2022 Inflation Shock & Fed Tightening
  % Loss-51.2%-24.5%
  % Gain to Breakeven104.9%32.4%
  Time to Breakeven544 days427 days
2020 COVID-19 Crash
  % Loss-58.0%-33.7%
  % Gain to Breakeven138.3%50.9%
  Time to Breakeven337 days140 days
Q4 2018 Fed Policy Error / Growth Scare
  % Loss-39.9%-19.2%
  % Gain to Breakeven66.5%23.7%
  Time to Breakeven212 days105 days
2015-2016 China Devaluation / Global Growth Scare
  % Loss-51.3%-12.2%
  % Gain to Breakeven105.3%13.9%
  Time to Breakeven349 days62 days
2014-2016 Oil Price Collapse
  % Loss-59.7%-6.8%
  % Gain to Breakeven148.1%7.3%
  Time to Breakeven525 days15 days
2011 US Debt Ceiling Crisis & European Contagion
  % Loss-35.8%-17.9%
  % Gain to Breakeven55.6%21.8%
  Time to Breakeven107 days123 days
2010 Eurozone Sovereign Debt Crisis / Flash Crash
  % Loss-40.2%-15.4%
  % Gain to Breakeven67.1%18.2%
  Time to Breakeven745 days125 days
2008-2009 Global Financial Crisis
  % Loss-67.5%-53.4%
  % Gain to Breakeven208.0%114.4%
  Time to Breakeven249 days1085 days

Compare to STX, MU, DELL, HPE, NTAP

In The Past

Western Digital's stock fell -42.9% during the 2025 US Tariff Shock. Such a loss loss requires a 75.1% gain to breakeven.

Preserve Wealth

Limiting losses and compounding gains is essential to preserving wealth.

Asset Allocation

Actively managed asset allocation strategies protect wealth. Learn more.

About Western Digital (WDC)

Western Digital Corporation develops, manufactures, and sells data storage devices and solutions in the United States, China, Hong Kong, Europe, the Middle East, Africa, rest of Asia, and internationally. It offers client devices, including hard disk drives (HDDs) and solid state drives (SSDs) for computing devices, such as desktop and notebook personal computers (PCs), smart video systems, gaming consoles, and set top boxes; flash-based embedded storage products for mobile phones, tablets, notebook PCs, and other portable and wearable devices, as well as automotive, Internet of Things, industrial, and connected home applications; and flash-based memory wafers. The company also provides data center devices and solutions comprising enterprise helium hard drives; enterprise SSDs consisting of flash-based SSDs and software solutions for use in enterprise servers, online transactions, data analysis, and other enterprise applications; data center solutions for data storage systems and tiered storage models; and data storage platforms. In addition, it offers client solutions, such as external HDD storage products in mobile and desktop form; client portable SSDs; removable cards that are used in consumer devices comprising mobile phones, tablets, imaging systems, and cameras and smart video systems; universal serial bus flash drives for use in the computing and consumer markets; and wireless drive products used in-field back up of created content, as well as wireless streaming of high-definition movies, photos, music, and documents to tablets, smartphones, and PCs. The company sells its products under the G-Technology, SanDisk, and WD brands to original equipment manufacturers, distributors, dealers, resellers, and retailers. Western Digital Corporation was founded in 1970 and is headquartered in San Jose, California.

AI Analysis | Feedback

They are the Intel of data storage, providing the core memory components (hard drives, SSDs, flash) for everything from consumer devices to massive data centers.

Imagine Samsung, but solely focused on manufacturing and selling digital storage devices (hard drives, SSDs, memory cards) for a vast range of products, from phones to enterprise servers.

AI Analysis | Feedback

  • Hard Disk Drives (HDDs): Data storage devices offered for client computing devices and enterprise data centers.
  • Solid State Drives (SSDs): High-performance, flash-based storage solutions for client devices, embedded applications, and enterprise servers.
  • Flash-based Embedded and Removable Storage: Compact flash-based products including memory wafers, embedded storage for mobile devices, and removable cards/USB drives.
  • Data Center Storage Solutions: Comprehensive systems and platforms designed for enterprise data storage, including tiered models and software.
  • External Storage and Wireless Drives: Portable and desktop external storage products (HDDs and SSDs), as well as wireless drives for backup and streaming.

AI Analysis | Feedback

Western Digital (WDC) primarily sells its products to other companies (B2B) across various categories, as explicitly stated in its description: "original equipment manufacturers, distributors, dealers, resellers, and retailers."

Based on its product offerings, the major customer types and examples of companies that would likely be significant customers include:

  • Original Equipment Manufacturers (OEMs): Companies that integrate Western Digital's HDDs, SSDs, and flash-based embedded storage into their own final products.
    • PC and Laptop Manufacturers:
      • HP Inc. (HPQ)
      • Dell Technologies Inc. (DELL)
      • Apple Inc. (AAPL)
    • Gaming Console Manufacturers:
      • Sony Group Corporation (SONY)
      • Microsoft Corporation (MSFT) (for Xbox)
    • Mobile and Tablet Manufacturers:
      • Apple Inc. (AAPL)
    • Server and Enterprise System Manufacturers:
      • Hewlett Packard Enterprise Company (HPE)
      • Dell Technologies Inc. (DELL)
  • Hyperscale Cloud Service Providers and Data Center Operators: Large technology companies that purchase enterprise storage solutions for their extensive data centers and cloud infrastructure.
    • Amazon.com, Inc. (AMZN) (for Amazon Web Services - AWS)
    • Microsoft Corporation (MSFT) (for Azure)
    • Alphabet Inc. (GOOGL) (for Google Cloud)
    • Meta Platforms, Inc. (META)
  • Distributors and Major Retailers: Companies that purchase Western Digital's branded products (such as SanDisk, WD, and G-Technology) for resale through their distribution networks or retail stores to businesses and individual consumers.
    • Major Electronics Distributors:
      • Arrow Electronics, Inc. (ARW)
      • Avnet, Inc. (AVT)
    • Large Retail Chains (including e-commerce):
      • Amazon.com, Inc. (AMZN)
      • Best Buy Co., Inc. (BBY)
      • Walmart Inc. (WMT)

AI Analysis | Feedback

  • Showa Denko K.K. (SDKYY)
  • Hoya Corporation (HOCPY)
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  • Marvell Technology, Inc. (MRVL)
  • Silicon Motion Technology Corporation (SIMO)

AI Analysis | Feedback

Irving Tan, Chief Executive Officer

Irving Tan leads Western Digital as its Chief Executive Officer, a role he assumed following the company's separation of its Flash business in early 2025. He has decades of experience in sales, global operations, market transitions, and customer and government dynamics. Before becoming CEO, Tan served as Western Digital's Executive Vice President for Global Operations, overseeing global operations functions, procurement, supply chain, and IT. He is also a veteran of Cisco. Tan currently chairs the Board of Directors for SATS and is on the Board of Directors for the U.S.-Japan Business Council. His predecessor, David Goeckeler, became CEO of the independent SanDisk.

Kris Sennesael, EVP, Chief Financial Officer

Kris Sennesael became Western Digital's Chief Financial Officer effective May 12, 2025, bringing over 25 years of experience in finance and general management within the semiconductor and technology sectors. In this role, he is responsible for the company's global finance organization, including accounting, financial planning and analysis, tax, treasury, internal audit, investor relations, and corporate real estate. Prior to joining Western Digital, Sennesael served as CFO at Skyworks Solutions, where he contributed to scaling the business through organic and inorganic growth strategies. His career also includes CFO positions at Enphase Energy and Standard Microsystems, as well as leadership roles at ON Semiconductor, AMI Semiconductor, and Alcatel Microelectronics. Sennesael currently serves on the Board of Directors of MaxLinear.

B. Scott Davis, Executive Vice President and Chief Sales & Marketing Officer

B. Scott Davis serves as Executive Vice President and Chief Sales & Marketing Officer at Western Digital.

Cynthia Tregillis, EVP, Chief Legal Officer & Secretary

Cynthia Tregillis holds the position of Executive Vice President, Chief Legal Officer & Secretary at Western Digital.

Katie Watson, Chief Human Resources Officer

Katie Watson is the Chief Human Resources Officer for Western Digital.

AI Analysis | Feedback

Here are the key risks to Western Digital's business:
  1. Cyclicality of the Storage Industry and Customer Concentration: Western Digital operates in a storage industry historically prone to "boom-and-bust" cycles. The company's business is heavily concentrated on a few hyperscale cloud clients, with the Cloud segment driving a significant portion of its revenue. This makes Western Digital highly vulnerable to the capital expenditure cycles and purchasing pattern shifts of these major customers. A slowdown in spending from these key clients could immediately impact Western Digital's top line.

  2. Technological Execution and Competition: The data storage market is intensely competitive and rapidly evolving. Western Digital faces risks related to the continuous need for technological innovation, such as perfecting complex laser-assisted recording (HAMR) for higher-capacity drives, to maintain its density leadership against rivals like Seagate Technology. Additionally, while HDDs currently offer a better cost-per-terabyte for large-scale data storage, a precipitous drop in NAND Flash prices could lead to high-capacity SSDs beginning to cannibalize parts of the HDD market, posing a competitive threat.

  3. Geopolitical and Trade Headwinds: Western Digital maintains significant global supply chain and manufacturing operations, particularly in Southeast Asia. This exposes the company to geopolitical risks, including ongoing U.S.-China trade disputes and the potential for new tariffs, which could impact its global supply chain, manufacturing costs, and overall profitability. Macroeconomic volatility and rising global trade tensions could also trigger demand fluctuations across its enterprise, distribution, and retail segments.

AI Analysis | Feedback

The widespread and accelerating shift of consumer and enterprise data storage from local/on-premise physical devices to cloud-based solutions.

AI Analysis | Feedback

Addressable Markets for Western Digital's Main Products and Services

Western Digital Corporation (WDC) operates in several data storage markets, offering a range of products including hard disk drives (HDDs), solid-state drives (SSDs), flash-based embedded storage, data center solutions, and client solutions like external drives, removable cards, and USB flash drives. The addressable market sizes for these key product categories are substantial and predominantly global.

Solid State Drives (SSDs)

The global Solid State Drive (SSD) market was valued at approximately USD 19.1 billion in 2023 and is projected to reach USD 55.1 billion by 2030, growing at a compound annual growth rate (CAGR) of 16.5% from 2024 to 2030. Other estimates place the global SSD market at USD 59.5 billion in 2024, with a projection to reach USD 166.1 billion by 2033 at a CAGR of 12.1%. The client SSD market, specifically for consumer and client-grade devices, was valued at approximately USD 10.3 billion in 2024 and is projected to reach USD 65.9 billion by 2030, growing at a CAGR of 36.3%. The enterprise SSD segment is expected to grow at the highest rate, with projections indicating a 40% revenue share by the end of 2035 for the enterprise segment within the broader SSD market.

Hard Disk Drives (HDDs)

The global hard disk drive (HDD) market was estimated at USD 44.31 billion in 2024. Another report indicates the global HDD market reached approximately USD 49.68 billion in 2025, with forecasts suggesting an expansion to USD 92.55 billion by 2034. The market is projected to reach USD 117.5 billion by 2036, reflecting a CAGR of 5.30% from 2026. Enterprise adoption of HDDs accounted for 58% of total market usage in 2025.

Data Center Storage

The global data center storage market was valued at USD 61.94 billion in 2024 and is projected to reach USD 148.39 billion by 2032, growing at a CAGR of 11.54% from 2025 to 2032. Another estimate for the global data center storage market values it at USD 63.72 billion in 2024, with a projection to surpass USD 208.96 billion by 2034, growing at a CAGR of 12.61% from 2025 to 2034. North America currently holds the largest share of the global data center storage market, accounting for approximately 40.1% to 45% in 2024.

Flash-Based Embedded Storage Products

The global embedded storage solutions market was valued at approximately USD 10.24 billion in 2023 and is predicted to grow to around USD 22.07 billion by 2032, with a CAGR of roughly 8.91% between 2024 and 2032. Universal Flash Storage (UFS), a key component in embedded storage, was estimated at USD 7.7 billion globally in 2024 and is expected to reach USD 21.7 billion by 2030, growing at a CAGR of 18.8%.

Client Solutions (External HDD/SSD, Removable Cards, USB Flash Drives)

The external hard disk market was valued at US$ 5.54 billion in 2025 and is expected to reach US$ 8.56 billion by 2032, with a CAGR of 6.4% from 2026-2032. The external SSD market was valued at USD 2.38 billion in 2024 and is projected to grow to USD 3.84 billion by 2032, exhibiting a CAGR of 7.2%. The global USB Flash Drive market size is projected to be USD 5.93 billion in 2025 and reach USD 8.77 billion by 2031, growing at a CAGR of 6.66% from 2026 to 2031. Another source estimates the global USB Flash Drives market size at USD 6.14 billion in 2025, with growth to USD 11.37 billion by 2033 at a CAGR of 8.00%.

AI Analysis | Feedback

Western Digital (WDC) is expected to drive future revenue growth over the next 2-3 years through several key initiatives and market trends:

  1. Strong Demand for High-Capacity Nearline Drives in Cloud and Enterprise: Western Digital is experiencing robust demand for its high-capacity nearline drives, particularly from hyperscale cloud providers and enterprise data centers. The cloud segment consistently represents a significant portion of the company's total revenue and is a major growth engine. The company has reported strong year-over-year revenue increases driven by this demand, with a strategic focus on delivering scalable and cost-effective storage solutions for these markets.
  2. Growth Driven by AI-Powered Data Expansion: The accelerating proliferation of Artificial Intelligence (AI) across various industries is generating a rapid increase in data creation and the demand for storage. Use cases such as generative AI workloads (text-to-image, text-to-video) and the need for massive data lakes to fuel AI models are projected to significantly boost HDD exabyte shipments, with an expected 23% compound annual growth rate (CAGR) from 2024 to 2028.
  3. Advancements and Adoption of Next-Generation HDD Technologies: Western Digital's continued innovation in hard disk drive (HDD) technology, including Heat-Assisted Magnetic Recording (HAMR), Energy-Assisted Perpendicular Magnetic Recording (ePMR), and UltraSMR (Shingled Magnetic Recording), is crucial for meeting the escalating demand for higher capacity storage. The company has been shipping millions of units of its latest generation ePMR and UltraSMR products, and HAMR technology development is accelerating with qualifications planned with hyperscale customers in the first half of calendar year 2026.
  4. Strategic Focus on Data Center and Cloud Markets: The company has reinforced its leadership in delivering world-class, sustainable storage solutions at scale, specifically targeting the ever-growing data demands of the cloud and enterprise markets. This strategic emphasis ensures that Western Digital remains a trusted partner for hyperscale cloud providers, offering solutions with low total cost of ownership (TCO) that align with their expanding infrastructure needs.

AI Analysis | Feedback

Share Repurchases

  • In February 2026, Western Digital's Board of Directors authorized an additional $4.0 billion for share repurchases.
  • As of February 2, 2026, approximately $484 million remained under a prior share repurchase authorization.
  • The company repurchased approximately 3.8 million shares for $615 million in fiscal Q2 2026, contributing to $1.4 billion returned to shareholders through dividends and buybacks since fiscal Q4 2025.

Outbound Investments

  • In January 2026, Western Digital announced a strategic investment in Qolab to support next-generation quantum hardware and nanofabrication process innovation.

Capital Expenditures

  • Western Digital's capital expenditures have decreased from $1.146 billion in fiscal year 2021 to $412 million in fiscal year 2025.
  • The latest twelve months (TTM) capital expenditures were $365 million, with $92 million reported for Q2 fiscal year 2026.
  • The company's capital allocation strategy includes reinvestment in the business for maintaining existing and expanding new property, plant, and equipment, with a focus on high-value end markets and the AI-driven data economy.

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Peer Comparisons

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Financials

WDCSTXMUDELLHPENTAPMedian
NameWestern .Seagate .Micron T.Dell Tec.Hewlett .NetApp  
Mkt Price431.52726.93542.21210.1728.57112.08320.84
Mkt Cap147.6160.7610.5138.738.122.2143.1
Rev LTM11,77711,01058,119113,53835,7436,70923,760
Op Inc LTM3,6743,24428,1338,2511,7171,5583,459
FCF LTM2,9052,41210,2818,5522,1541,6092,658
FCF 3Y Avg8471,2122,5265,4472,1441,3441,744
CFO LTM3,2862,87730,65311,1854,4871,7923,886
CFO 3Y Avg1,2901,52915,5408,1274,5651,5143,047

Growth & Margins

WDCSTXMUDELLHPENTAPMedian
NameWestern .Seagate .Micron T.Dell Tec.Hewlett .NetApp  
Rev Chg LTM32.0%28.9%85.5%18.8%14.5%3.1%23.9%
Rev Chg 3Y Avg25.5%13.2%45.3%4.4%7.1%1.3%10.2%
Rev Chg Q45.5%44.1%196.3%39.5%18.4%4.4%41.8%
QoQ Delta Rev Chg LTM9.7%9.5%37.4%9.1%4.2%1.1%9.3%
Op Inc Chg LTM116.8%97.2%354.6%29.2%-29.0%11.4%63.2%
Op Inc Chg 3Y Avg-39.4%401.5%108.3%13.2%-8.9%11.1%12.1%
Op Mgn LTM31.2%29.5%48.4%7.3%4.8%23.2%26.3%
Op Mgn 3Y Avg12.7%16.9%15.6%6.9%6.9%21.5%14.2%
QoQ Delta Op Mgn LTM3.3%3.9%15.9%0.2%0.0%0.6%1.9%
CFO/Rev LTM27.9%26.1%52.7%9.9%12.6%26.7%26.4%
CFO/Rev 3Y Avg8.3%16.4%36.8%8.1%14.7%23.3%15.5%
FCF/Rev LTM24.7%21.9%17.7%7.5%6.0%24.0%19.8%
FCF/Rev 3Y Avg1.6%12.7%0.5%5.4%6.9%20.7%6.1%

Valuation

WDCSTXMUDELLHPENTAPMedian
NameWestern .Seagate .Micron T.Dell Tec.Hewlett .NetApp  
Mkt Cap147.6160.7610.5138.738.122.2143.1
P/S12.514.610.51.21.13.36.9
P/Op Inc40.249.521.716.822.214.221.9
P/EBIT20.454.121.615.722.214.021.0
P/E22.867.625.323.4-323.018.323.1
P/CFO44.955.819.912.48.512.416.2
Total Yield4.5%1.9%4.0%5.3%1.5%7.3%4.3%
Dividend Yield0.1%0.4%0.1%1.1%1.8%1.9%0.7%
FCF Yield 3Y Avg1.2%3.1%0.1%7.8%8.2%6.4%4.8%
D/E0.00.00.00.20.60.10.1
Net D/E-0.00.0-0.00.10.4-0.00.0

Returns

WDCSTXMUDELLHPENTAPMedian
NameWestern .Seagate .Micron T.Dell Tec.Hewlett .NetApp  
1M Rtn46.3%69.3%48.0%20.5%16.1%8.4%33.4%
3M Rtn72.5%78.6%30.7%83.7%33.6%16.9%53.1%
6M Rtn187.6%185.3%142.5%30.3%18.5%-3.9%86.4%
12M Rtn869.8%691.1%573.3%124.9%73.7%23.7%349.1%
3Y Rtn1,653.7%1,308.0%801.7%389.4%122.3%91.0%595.5%
1M Excs Rtn35.0%61.8%37.4%14.1%9.2%-0.1%24.6%
3M Excs Rtn68.3%74.4%26.6%79.5%29.4%12.7%48.9%
6M Excs Rtn200.7%169.9%134.5%24.1%14.3%-5.7%79.3%
12M Excs Rtn858.3%679.0%576.5%102.0%50.8%-2.5%339.2%
3Y Excs Rtn1,595.3%1,219.2%721.8%352.1%41.8%12.9%537.0%

Financials

Segment Financials

Revenue by Segment
$ Mil20252024202320222021
Hard disk drives (HDD)6,3176,2559,0408,2168,967
Flash-based products (Flash) 6,0639,7538,7067,769
Total6,31712,31818,79316,92216,736


Net Income by Segment
$ Mil20252024202320222021
Hard disk drives (HDD)-765    
Total-765    


Price Behavior

Price Behavior
Market Price$431.52 
Market Cap ($ Bil)147.1 
First Trading Date01/02/1987 
Distance from 52W High-0.7% 
   50 Days200 Days
DMA Price$317.04$190.91
DMA Trendupup
Distance from DMA36.1%126.0%
 3M1YR
Volatility72.4%61.8%
Downside Capture0.920.74
Upside Capture353.08370.96
Correlation (SPY)53.8%46.2%
WDC Betas & Captures as of 4/30/2026

 1M2M3M6M1Y3Y
Beta1.852.762.743.072.261.79
Up Beta2.922.772.982.871.671.51
Down Beta-3.004.021.752.061.891.71
Up Capture319%401%485%1139%1712%4232%
Bmk +ve Days15223166141428
Stock +ve Days16273775161420
Down Capture-652%159%202%189%132%110%
Bmk -ve Days4183056108321
Stock -ve Days616275090332

[1] Upside and downside betas calculated using positive and negative benchmark daily returns respectively
Based On 1-Year Data
Annualized
Return
Annualized
Volatility
Sharpe
Ratio
Correlation
with WDC
WDC897.2%61.6%3.97-
Sector ETF (XLK)55.3%20.5%2.0454.5%
Equity (SPY)30.6%12.5%1.8846.0%
Gold (GLD)39.5%27.2%1.2025.2%
Commodities (DBC)51.5%17.9%2.20-0.3%
Real Estate (VNQ)13.1%13.5%0.675.2%
Bitcoin (BTCUSD)-17.1%42.2%-0.3321.3%

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Based On 5-Year Data
Annualized
Return
Annualized
Volatility
Sharpe
Ratio
Correlation
with WDC
WDC52.1%48.1%1.04-
Sector ETF (XLK)18.6%24.8%0.6759.0%
Equity (SPY)12.8%17.1%0.5956.4%
Gold (GLD)20.5%17.9%0.9418.3%
Commodities (DBC)14.3%19.1%0.6114.8%
Real Estate (VNQ)3.5%18.8%0.0931.8%
Bitcoin (BTCUSD)7.7%56.2%0.3521.6%

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Based On 10-Year Data
Annualized
Return
Annualized
Volatility
Sharpe
Ratio
Correlation
with WDC
WDC31.3%48.3%0.75-
Sector ETF (XLK)23.6%24.4%0.8858.6%
Equity (SPY)14.9%17.9%0.7158.1%
Gold (GLD)13.6%15.9%0.7110.2%
Commodities (DBC)9.7%17.7%0.4621.8%
Real Estate (VNQ)5.7%20.7%0.2438.5%
Bitcoin (BTCUSD)67.7%66.9%1.0714.9%

Smart multi-asset allocation framework can stack odds in your favor. Learn How

Short Interest

Short Interest: As Of Date4152026
Short Interest: Shares Quantity26.8 Mil
Short Interest: % Change Since 33120260.4%
Average Daily Volume7.5 Mil
Days-to-Cover Short Interest3.6 days
Basic Shares Quantity342.0 Mil
Short % of Basic Shares7.8%

Earnings Returns History

Expand for More
 Forward Returns
Earnings Date1D Returns5D Returns21D Returns
4/30/2026-0.7%  
1/29/2026-10.1%-6.5%-3.0%
10/30/20258.7%18.4%15.8%
7/30/202510.2%3.3%14.9%
4/30/20258.0%9.0%29.4%
1/29/20254.7%3.1%4.2%
10/24/20244.7%-1.5%0.2%
7/31/2024-9.7%-16.1%-6.0%
...
SUMMARY STATS   
# Positive111114
# Negative13129
Median Positive4.7%7.5%15.3%
Median Negative-3.5%-3.1%-5.4%
Max Positive10.2%18.4%37.2%
Max Negative-12.2%-16.1%-16.5%

SEC Filings

Expand for More
Report DateFiling DateFiling
03/31/202605/01/202610-Q
12/31/202501/30/202610-Q
09/30/202510/31/202510-Q
06/30/202508/14/202510-K
03/31/202505/02/202510-Q
12/31/202401/31/202510-Q
09/30/202410/31/202410-Q
06/30/202408/20/202410-K
03/31/202404/30/202410-Q
12/31/202302/12/202410-Q
09/30/202311/07/202310-Q
06/30/202308/22/202310-K
03/31/202305/10/202310-Q
12/31/202202/03/202310-Q
09/30/202211/02/202210-Q
06/30/202208/25/202210-K

Recent Forward Guidance [BETA]

Latest: Q3 2026 Earnings Reported 4/30/2026

Forward GuidanceGuidance Change
MetricLowMidHigh% Chg% DeltaChangePrior
Q4 2026 Revenue3.55 Bil3.65 Bil3.75 Bil14.1% Higher NewGuidance: 3.20 Bil for Q3 2026
Q4 2026 Gross margin51.0%51.5%52.0%8.4%4.0%Higher NewGuidance: 47.5% for Q3 2026
Q4 2026 Operating expenses385.00 Mil390.00 Mil395.00 Mil1.3% Higher NewGuidance: 385.00 Mil for Q3 2026
Q4 2026 Diluted net income per common share3.13.253.441.3% Higher NewGuidance: 2.3 for Q3 2026

Prior: Q2 2026 Earnings Reported 1/29/2026

Forward GuidanceGuidance Change
MetricLowMidHigh% Chg% DeltaChangePrior
Q3 2026 Revenue3.10 Bil3.20 Bil 10.3% Higher NewGuidance: 2.90 Bil for Q2 2026
Q3 2026 Gross margin47.0%47.5%48.0%6.7%3.0%Higher NewGuidance: 44.5% for Q2 2026
Q3 2026 Operating expenses380.00 Mil385.00 Mil390.00 Mil4.0% Higher NewGuidance: 370.00 Mil for Q2 2026
Q3 2026 Diluted net income per common share2.152.32.4522.3% Higher NewGuidance: 1.88 for Q2 2026

Insider Activity

Expand for More
#OwnerTitleHoldingActionFiling DatePriceSharesTransacted
Value
Value of
Held Shares
Form
1Tregillis, Cynthia LChief Legal Officer & Corp SecDirectSell4222026377.09363136,88445,259,473Form
2Gubbi, Vidyadhara KChief of Global OperationsDirectSell3102026255.328,5182,174,85825,347,645Form
3Tregillis, Cynthia LChief Legal Officer & Corp SecDirectSell3052026268.279,3242,501,38232,644,052Form
4Gubbi, Vidyadhara KChief of Global OperationsDirectSell3052026270.3110,1482,743,11029,137,840Form
5Cole, Martin I DirectSell3032026271.676,0001,630,0027,995,974Form

WDC Trade Sentinel


Stock Conviction

ACCUMULATE (Score 7-8)

CONVICTION RATIONALE

The score of 8 reflects a high-conviction thesis where a widening competitive moat (margin advantage over peer) converges with a powerful, de-risked secular cycle (AI buildout). The company has exceptional earnings visibility for the next 12-18 months due to its sold-out status. While the valuation is at a premium, it is justified by the structural improvements and accelerating earnings. The primary reason it is not a 9 or 10 is the inherent cyclicality of the end market, which presents significant timing risk beyond the current visibility window.

STOCK ARCHETYPE
Type C: Cyclical Opportunity (Secular Cyclical)

Post-separation, WDC is a pure-play hardware manufacturer whose fortune is tied directly to the AI infrastructure capital expenditure cycle. The business dynamics are defined by supply/demand balance for its core product (HDDs), leading to dramatic swings in revenue, margins, and valuation, which is the hallmark of a Secular Cyclical.

Looking for high-conviction positions with a better risk/reward profile? See what's currently in the Trefis High Quality Portfolio.
INVESTMENT THESIS
HDD Pricing Power and Margin Expansion Driven by AI-Led Supply Deficit Through 2026

The separation of the flash business created a focused HDD leader precisely when AI development ignited a historic demand cycle for mass-capacity storage. This has led to a supply/demand imbalance, allowing WDC to secure unprecedented long-term purchase agreements that have sold out its entire 2026 production capacity, driving record gross margins and providing exceptional earnings visibility.

Mechanism: In a sold-out market, WDC transitions from a price-taker to a price-maker. With long-term agreements (LTAs) and firm purchase orders, revenue becomes de-risked and predictable, while the duopoly structure allows the company to capture the full benefit of rising demand through higher average selling prices (ASPs) and a favorable mix shift to its highest-margin products.
Supporting Evidence:
  • Entire 2026 production capacity is sold out to its top seven hyperscale customers via firm purchase orders.
  • Non-GAAP gross margins hit a record 46.1% in Q2 FY26, guided to 47-48% in Q3, demonstrating significant pricing power.
  • Cloud segment revenue, the core profit engine at ~88% of total revenue, grew over 30% YoY in recent quarters.
  • Long-Term Agreements (LTAs) with key customers extend into 2027-2028, enhancing visibility beyond the current fiscal year.
PRIMARY RISK
Hyperscaler CapEx 'Digestion' Phase Post-2026

The primary risk to the thesis is the eventual normalization of the current 'supercycle'. After a period of massive AI infrastructure investment through 2026, hyperscale customers may enter a 'digestion' phase where they pause or decelerate capital expenditures to absorb the newly built capacity. This would rapidly reverse the supply/demand imbalance, leading to price pressure and margin compression.

Mechanism: A slowdown in cloud capex would break the cycle of pricing power. With demand normalizing, the market would revert to a more competitive environment, causing ASPs to decline and compressing the record-high gross margins back toward historical averages. This would lead to significant negative earnings revisions.
Supporting Evidence:
  • The current investment thesis is critically dependent on sustained, high levels of hyperscaler spending, creating high concentration risk.
  • Historical tech cycles show that periods of massive build-out are often followed by 'digestion' phases, making a future slowdown highly probable.
Key KPI Watchlist
KPI Threshold Rationale
Non-GAAP Gross Margin %> 47%Sustaining margins above the high end of guidance is the clearest indicator of continued pricing power and favorable mix, which is the core of the alpha thesis.
Cloud Segment Revenue Growth (YoY)> 25%While expected to decelerate from recent highs, maintaining strong double-digit growth confirms the durability of the AI-driven demand cycle from hyperscalers.
Nearline Exabyte Shipments Growth (YoY)> 20%This is the primary unit volume metric. Continued growth demonstrates that WDC is successfully ramping production to meet the massive demand from its core customers.
Core Investment Debate

AI Supercycle Durability vs. Cyclical Peak

BULL VIEW

The AI infrastructure build-out is a durable, multi-year trend. Long-term agreements de-risk earnings, justifying a sustained premium valuation for WDC as a core enabler.

CORE TENSION

Is the current 'sold-out' status and record margin profile a sustainable, multi-year AI-driven reality or a classic cyclical hardware peak facing an imminent hyperscaler 'digestion' phase?


PREVAILING SENTIMENT
BULLISH

WDC's entire 2026 production capacity is sold out via firm purchase orders, with Non-GAAP gross margins hitting a record 46.1% and guided higher, demonstrating immense pricing power.

BEAR VIEW

This is a temporary supercycle. Hyperscalers will pause CapEx post-2026, causing a rapid collapse in pricing, margins, and WDC's P/E multiple back to historical averages.

Next 6 months: Risks and Catalysts
Timeline Event & Metric To Watch
Late April 2026
FY26 Q3 Earnings Call
Watch: Q4 Gross Margin Guidance. Must stay above the 47% baseline set in Q2 to confirm sustained pricing power. Also, commentary on 2027 LTAs.
July - August 2026
Hyperscaler Earnings Calls (MSFT, GOOG, AMZN, META)
Watch: Forward CapEx Guidance. Watch for any shift in language from 'supply constrained' or 'building capacity' to 'optimizing existing infrastructure'.
Late July 2026
FY26 Q4 Earnings Call
Watch: Initial commentary on the 2027 order book and demand visibility. Any hesitation or lack of clarity on 2027 will be punished.
Late July 2026
Seagate (STX) Earnings Call
Watch: Seagate's market share claims in high-capacity nearline HDDs and commentary on their HAMR technology ramp vs. WDC's UltraSMR.
Ongoing (Next 6 Months)
US-China Geopolitical Developments
Watch: Progress of the 'MATCH Act' or similar legislation targeting semiconductor technology exports through the U.S. Congress. Committee passage would be a negative signal.
Key Events in Last 6 Months
Date Event Stock Impact
Oct 29, 2025
Q1 FY2026 Earnings
Details: Results showed accelerating Cloud segment revenue growth of 27.5% YoY, confirming the AI demand thesis was firmly taking hold post-separation.
Fell notably by -2.3%
$141.19 -> $137.95
Dec 10, 2025
Strategic Update
Details: Analysts confirmed WDC secured firm purchase orders for its entire 2026 nearline HDD capacity from top hyperscalers, structurally de-risking forward revenue.
Rose significantly by 2.9%
$181.86 -> $187.11
Jan 6, 2026
Analyst Upgrade Cycle
Details: A wave of analyst upgrades cited the AI 'supercycle' for HDDs, unprecedented demand visibility, and strong pricing power following the business separation.
Surged +16.8%
$187.79 -> $219.27
Jan 29, 2026
Q2 FY2026 Earnings
Details: Reported record Non-GAAP gross margin of 46.1% and guided to 47-48%. Despite the strong beat and raise, the stock fell sharply on 'sell the news' reaction.
Plummeted -10.1%
$278.27 -> $250.11
Feb 3, 2026
Positive Industry Data
Details: Positive industry reports likely showed stronger-than-expected HDD pricing and demand forecasts for 2026, reinforcing the AI supercycle thesis and tight supply dynamics.
Surged +7.4%
$270.10 -> $290.10
Apr 1, 2026
Geopolitical Development
Details: Bipartisan U.S. lawmakers introduced the MATCH Act, aiming to tighten semiconductor export controls to China, creating a potential headwind for future revenue in the region.
Muted (-0.9%)
$297.73 -> $294.97
Risk Management
Position Sizing

4% - 6%

NORMAL

Stock is trading with explosive volatility (79%), over 6x the S&P 500. Although fundamentals are pristine—Bullish sentiment and high visibility—the extreme volatility forces a size cap to manage drawdowns. A Normal (4-6%) position is warranted.

Diversification Alternatives
MU
SECTOR

Unlike WDC, Micron has direct, high-margin exposure to the High-Bandwidth Memory (HBM) market, which is a critical component for AI GPUs and a different vector of the AI buildout.

Core Thesis: A premier memory and storage producer benefiting from the AI-driven demand for HBM and DRAM, with its most advanced products sold out well into 2026, creating strong pricing power.
BLK
OTHER

Offers non-correlated, stable growth. Its business is driven by secular tailwinds of passive investing and rising global asset values, completely insulating it from hardware capex cycles.

Core Thesis: The world's largest asset manager, benefiting from a massive competitive moat built on scale, brand, and distribution. A consistent grower and capital return story.
How Is The Market Pricing WDC?

Following its February 2025 separation from the volatile SanDisk flash business, Western Digital is re-rating as a pure-play enterprise HDD leader, capitalizing on a durable, AI-driven demand cycle for mass capacity storage with unprecedented long-term purchase agreements from hyperscale customers.

Filter all news through the lens of the AI-driven demand cycle for mass-capacity HDDs and the company's ability to maintain its technology lead and pricing power in a sold-out environment.

What will confirm the thesis

Sustained Cloud segment revenue growth >30% YoY; announcements of new long-term agreements (LTAs) with hyperscalers extending beyond 2026; evidence of successful ramp of 40TB+ UltraSMR or next-gen HAMR drives; gross margins remaining above 45%.

What will damage the thesis

Any slowdown in hyperscaler capital expenditures; loss of market share to Seagate, particularly at the highest capacity points; announcements of major customers like Amazon or Google developing in-house storage hardware; significant delays or yield issues with the HAMR technology ramp.

Noise: Real but irrelevant to thesis

Quarterly fluctuations in the PC or consumer electronics markets (Client/Consumer segments are now <15% of revenue combined); legacy technology product announcements; short-term commodity price swings in NAND flash (post-separation).

Repricing Catalyst

The primary catalyst is the unprecedented demand visibility from firm purchase orders that have sold out WDC's entire 2026 production capacity to its top seven hyperscale customers, coupled with Long-Term Agreements extending into 2027-2028. This structural shift from cyclical sales to a de-risked backlog is driven by the explosive growth in data storage required for AI model training and data lakes, allowing WDC to operate at record gross margins (46.1% in Q2 FY26, guided to 47-48% in Q3).

What WDC Makes & Who Pays
TTM figures based on Q2 FY2026 Earnings PR, Jan 29, 2026
Cloud & Data Center (HDDs)
$9.5B TTM (88% of Total) · 46.1% Margin
What It Is

Enterprise-grade nearline HDDs, including 28TB, 32TB, and 40TB UltraSMR drives, designed for mass-scale data storage in cloud and AI data centers.

Who Pays & How

Top 7 global hyperscalers (e.g., Amazon Web Services, Microsoft Azure, Google Cloud, Meta) pay for mass capacity storage to build out AI training infrastructure and data lakes. They sign firm, multi-year purchase orders because WDC's high-capacity drives lower the total cost of ownership (TCO) per terabyte and are essential for their expansion plans.

Per-unit sale to hyperscalers and OEMs, increasingly governed by long-term agreements (LTAs) and firm purchase orders through calendar year 2026.
Competition
Seagate Technology - Exos series high-capacity HDDs
Seagate is aggressively ramping its competing HAMR (Heat-Assisted Magnetic Recording) technology as the next-generation scaling solution.
WDC holds ~52% nearline capacity shipment share due to superior qualification wins with its 40TB UltraSMR drives at key hyperscalers and a technology roadmap (ePMR, MAMR, HAMR) that provides a credible path for future capacity increases.
Client (PC, Gaming, Smart Video)
$0.6B TTM (6% of Total) · 25% Margin
What It Is

Client hard drives and solid-state drives for desktops, laptops, gaming consoles, and smart video systems.

Who Pays & How

PC and consumer electronics OEMs pay for storage devices as components for their products. This is a more commoditized market driven by PC replacement cycles.

Per-unit sale to OEMs.
Competition
Seagate (HDDs), Samsung (SSDs), Micron (SSDs), SK Hynix (SSDs)
Samsung and SK Hynix have deep vertical integration in NAND flash, giving them a cost advantage in the SSD market.
Long-standing qualification relationships with major PC OEMs and an established distribution channel.
Consumer & Retail Products
$0.6B TTM (6% of Total) · 25% Margin
What It Is

Branded retail products including external HDDs (My Book, WD Elements) and other storage solutions. Note: The high-margin SanDisk branded flash business (memory cards, USB drives) was part of this segment but has been spun off.

Who Pays & How

Consumers and small businesses pay for external storage and backup solutions through retail channels like Best Buy and Amazon.

Per-unit sale through retail and distribution channels.
Competition
Seagate (LaCie, Seagate brands), Toshiba, other consumer electronics brands
Seagate has strong brand recognition in the retail external drive market with its LaCie brand for professionals.
Strong 'WD' and 'SanDisk Professional' brand recognition and extensive global retail distribution footprint.
WDC Evolution: Price Return by Era
1970–1987 · Semiconductor & Controller Roots
Specialty Chip and Controller Pioneer
Founded in 1970 as a semiconductor manufacturer, WDC initially produced calculator chips and other specialty ICs. A pivotal shift occurred in the early 1980s when it developed the first single-chip Winchester hard drive controller, establishing itself as a key component supplier for the burgeoning PC industry.
1988–2015 · The Hard Drive Consolidation
Becoming an HDD Titan +919% (over the last year ending Apr 2026)
After acquiring Tandon's hard drive operations in 1988, WDC began its journey to become a vertically integrated HDD manufacturer. This era was defined by intense competition and consolidation, culminating in WDC's 2012 acquisition of Hitachi Global Storage Technologies (HGST), which solidified its position as one of the top two global HDD producers alongside Seagate.
2016–2024 · The Flash Diversification Era
The SanDisk Gamble: Hybrid Storage Giant
In 2016, WDC acquired SanDisk for $19 billion to gain a major foothold in the NAND flash memory market, creating a diversified storage giant. While strategically sound, this era was marked by the extreme volatility of the NAND market, with boom-and-bust cycles often obscuring the stability and profitability of the core HDD business.
2025–Present · Pure-Play AI Infrastructure
A Focused Leader for the AI Data Cycle +920% (over the past year ending Apr 2026)
In February 2025, WDC completed the separation of its flash business. This created a focused HDD company at the precise moment AI-driven data creation ignited a historic demand cycle for mass capacity storage. With its capacity sold out through 2026 via unprecedented long-term agreements, the new WDC emerged as a de-risked, high-margin leader in AI infrastructure.
Market Appears To Be Cautiously Supportive
Price structure is strongly bullish. The regime, trend, and proximity to highs all point towards intact institutional trend. Relative to SPY: Performance in line with the broader market with no relative edge or drag in current window. Volume and momentum show mild positive lean. The accumulation signals present but not yet dominant. Earnings history is mildly supportive. The reaction or drift are positive but not both at full conviction.
① Structure
+4
Structural pillar score (-4 to +4). Driven by trend regime, SMA cross events, proximity to 52W high, and relative strength vs SPY.
② Volume / Momentum
+1
Volume/Momentum pillar score (-4 to +4). Driven by institutional footprint score, OBV divergence, and momentum character.
③ Catalyst
+1
Catalyst pillar score (-4 to +4). Driven by earnings day reaction, 20D post-earnings drift, and post-earnings volume character.
Combined Score
6 / 12
1 Price Structure & Trend Trending Up · -
2 Momentum Mixed
3 Relative Strength vs. SPY Neutral Relative Strength
4 Institutional Footprint & Volume Mild Accumulation
5 Volatility Normal
6 Key Price Levels Range · Vol Rising
7 Earnings Reaction History Emerging Resilience
8 How the Verdict Is Derived Three Pillars

Industry Resources

Technology Hardware, Storage & Peripherals Resources
The Verge
TechRadar
Tom’s Hardware
PCMag
CNET