Western Digital (WDC)


Market Price (8/16/2026): $508.0 | Market Cap: $178.3 BilInvestor Relations Sector: Information Technology | Industry: Technology Hardware, Storage & Peripherals

Western Digital (WDC)


Market Price (8/16/2026): $508.0
Market Cap: $178.3 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

Attractive yield
Total YieldTotal Yield = Earnings Yield + Dividend Yield, Earnings Yield = Net Income / Market Cap Dividend Yield = Total Dividends / Market Cap is 5.3%

Strong revenue growth
Rev Chg LTMRevenue Change % Last Twelve Months (LTM) is 36%

Attractive operating margins
Op Mgn LTMOperating Margin = Operating Income / Revenue Reflects profitability before taxes and before impact of capital structure (interest payments). is 36%

Attractive cash flow generation
CFO/Rev LTMCash Flow from Operations / Revenue (Sales), Last Twelve Months (LTM) is 30%, FCF/Rev LTMFree Cash Flow / Revenue (Sales), Last Twelve Months (LTM) is 27%, CFO LTM is 3.9 Bil, FCF LTM is 3.5 Bil

Stock buyback support
Stock Buyback 3Y Total is 2.7 Bil

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

Stock price has recently run up significantly
12M Rtn12 month market price return is 580%

Valuation getting more expensive
P/S 6M Chg %Price/Sales change over 6 months. Declining P/S indicates valuation has become less expensive. is 76%

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

0 Attractive yield
Total YieldTotal Yield = Earnings Yield + Dividend Yield, Earnings Yield = Net Income / Market Cap Dividend Yield = Total Dividends / Market Cap is 5.3%
1 Strong revenue growth
Rev Chg LTMRevenue Change % Last Twelve Months (LTM) is 36%
2 Attractive operating margins
Op Mgn LTMOperating Margin = Operating Income / Revenue Reflects profitability before taxes and before impact of capital structure (interest payments). is 36%
3 Attractive cash flow generation
CFO/Rev LTMCash Flow from Operations / Revenue (Sales), Last Twelve Months (LTM) is 30%, FCF/Rev LTMFree Cash Flow / Revenue (Sales), Last Twelve Months (LTM) is 27%, CFO LTM is 3.9 Bil, FCF LTM is 3.5 Bil
4 Stock buyback support
Stock Buyback 3Y Total is 2.7 Bil
5 Megatrend and thematic drivers
Megatrends include Artificial Intelligence, and Cloud Computing. Themes include Data Centers & Infrastructure, Hybrid Cloud Solutions, Show more.
6 Stock price has recently run up significantly
12M Rtn12 month market price return is 580%
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 76%
8 Key risks
WDC key risks include [1] heavy revenue concentration with a few large, Show more.

WDC in ETFs

Weight = WDC's share of each fund

SPY0.23%
VOO0.34%
IVV0.23%
VTI0.32%
ITOT0.22%
QQQ0.66%
QQQM0.65%
IWB0.21%
+37 more covered ETFs

Valuation & Metrics

Price Chart

Why The Stock Moved

Qualitative Assessment

AI Analysis | Feedback

Updated on 8/13/2026

Western Digital (WDC) stock has gained about 15% since 4/30/2026 because of the following key factors:

1. Strong Fiscal Third Quarter 2026 Financial Results and Upbeat Guidance. Western Digital's stock gained momentum following its fiscal Q3 2026 earnings report on April 30, 2026, which covered the period ended April 3, 2026. The company reported non-GAAP diluted earnings per share (EPS) of $2.72, significantly exceeding the forecast of $2.36 by 15.25%. Revenue reached $3.34 billion, surpassing the anticipated $3.23 billion and representing a 45% year-over-year increase. Furthermore, the company provided robust guidance for fiscal Q4 2026, projecting revenue of approximately $3.65 billion and non-GAAP diluted EPS of $3.25. This strong performance and optimistic outlook fueled investor confidence, with the stock rising 4.55% in after-hours trading post-announcement and continuing to climb in subsequent sessions.

2. Exceptional Fiscal Fourth Quarter 2026 Performance Driven by AI and Cloud Demand. Despite an initial "expectations reset" dip, Western Digital's fiscal Q4 2026 results, reported on August 5, 2026, for the period ended July 3, 2026, fundamentally reinforced the positive trend. The company reported revenue of $3.75 billion, beating analyst estimates of $3.71 billion and representing a 44% year-over-year increase. Non-GAAP diluted EPS of $3.56 also surpassed analyst estimates of $3.30. This strong growth was primarily driven by surging demand from the AI-driven data economy and hyperscale cloud infrastructure, with the cloud segment contributing significantly to revenue growth and nearline exabytes increasing to 209EB in Q4 FY26 from 170EB in Q4 FY25.

Show more
Updated on 8/13/2026

Western Digital (WDC) stock has gained about 15% since 4/30/2026 because of the following key factors:

1. Strong Fiscal Third Quarter 2026 Financial Results and Upbeat Guidance. Western Digital's stock gained momentum following its fiscal Q3 2026 earnings report on April 30, 2026, which covered the period ended April 3, 2026. The company reported non-GAAP diluted earnings per share (EPS) of $2.72, significantly exceeding the forecast of $2.36 by 15.25%. Revenue reached $3.34 billion, surpassing the anticipated $3.23 billion and representing a 45% year-over-year increase. Furthermore, the company provided robust guidance for fiscal Q4 2026, projecting revenue of approximately $3.65 billion and non-GAAP diluted EPS of $3.25. This strong performance and optimistic outlook fueled investor confidence, with the stock rising 4.55% in after-hours trading post-announcement and continuing to climb in subsequent sessions.

2. Exceptional Fiscal Fourth Quarter 2026 Performance Driven by AI and Cloud Demand. Despite an initial "expectations reset" dip, Western Digital's fiscal Q4 2026 results, reported on August 5, 2026, for the period ended July 3, 2026, fundamentally reinforced the positive trend. The company reported revenue of $3.75 billion, beating analyst estimates of $3.71 billion and representing a 44% year-over-year increase. Non-GAAP diluted EPS of $3.56 also surpassed analyst estimates of $3.30. This strong growth was primarily driven by surging demand from the AI-driven data economy and hyperscale cloud infrastructure, with the cloud segment contributing significantly to revenue growth and nearline exabytes increasing to 209EB in Q4 FY26 from 170EB in Q4 FY25.

3. Significant Expansion in Margins and Robust Free Cash Flow Generation. Western Digital demonstrated notable improvements in profitability and financial health. The company's non-GAAP gross margin expanded to 50.5% in fiscal Q3 2026, surpassing the 50% mark for the first time, and further increased to 54.4% in fiscal Q4 2026. Additionally, the company generated approximately $3.5 billion in free cash flow for the full fiscal year 2026, with $1.28 billion in free cash flow reported in fiscal Q4 2026 alone. This robust cash generation and margin expansion underscore effective cost management and strong operational execution, supporting the stock's valuation.

4. Optimistic Fiscal First Quarter 2027 Guidance and Sustained Analyst Confidence. The company's guidance for fiscal Q1 2027, provided with the Q4 FY26 report, projected continued strong growth with revenue expected to be up 42% to 49% year-over-year, and non-GAAP diluted EPS ranging from $3.85 to $4.15 (midpoint of $4.00), both exceeding analyst estimates. Analyst sentiment remained largely positive, with a consensus "Moderate Buy" rating and an average price target of $534.56 as of August 13, 2026. Several major firms maintained or raised their price targets into the $600-$900 range, highlighting the company's strong fundamentals and long-term growth prospects tied to AI and cloud expansion.

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Stock Movement Drivers

Fundamental Drivers

The 17.1% change in WDC stock from 4/30/2026 to 8/15/2026 was primarily driven by a 103.0% change in the company's Net Income Margin (%).
(LTM values as of)43020268152026Change
Stock Price ($)434.41508.8017.1%
Change Contribution By: 
Total Revenues ($ Mil)10,73412,91920.4%
Net Income Margin (%)35.4%72.0%103.0%
P/E Multiple38.919.2-50.7%
Shares Outstanding (Mil)341351-2.8%
Cumulative Contribution17.1%

LTM = Last Twelve Months as of date shown

Market Drivers

4/30/2026 to 8/15/2026
ReturnCorrelation
WDC17.1% 
Market (SPY)8.0%54.0%
Sector (XLK)19.1%71.3%

Fundamental Drivers

The 103.5% change in WDC stock from 1/31/2026 to 8/15/2026 was primarily driven by a 103.0% change in the company's Net Income Margin (%).
(LTM values as of)13120268152026Change
Stock Price ($)250.05508.80103.5%
Change Contribution By: 
Total Revenues ($ Mil)10,73412,91920.4%
Net Income Margin (%)35.4%72.0%103.0%
P/E Multiple22.419.2-14.3%
Shares Outstanding (Mil)341351-2.8%
Cumulative Contribution103.5%

LTM = Last Twelve Months as of date shown

Market Drivers

1/31/2026 to 8/15/2026
ReturnCorrelation
WDC103.5% 
Market (SPY)12.5%53.7%
Sector (XLK)32.2%67.3%

Fundamental Drivers

The 548.3% change in WDC stock from 7/31/2025 to 8/15/2026 was primarily driven by a 289.0% change in the company's Net Income Margin (%).
(LTM values as of)73120258152026Change
Stock Price ($)78.48508.80548.3%
Change Contribution By: 
Total Revenues ($ Mil)8,91912,91944.8%
Net Income Margin (%)18.5%72.0%289.0%
P/E Multiple16.619.216.0%
Shares Outstanding (Mil)348351-0.9%
Cumulative Contribution548.3%

LTM = Last Twelve Months as of date shown

Market Drivers

7/31/2025 to 8/15/2026
ReturnCorrelation
WDC548.3% 
Market (SPY)23.9%50.2%
Sector (XLK)45.2%63.2%

Fundamental Drivers

The 1506.2% change in WDC stock from 7/31/2023 to 8/15/2026 was primarily driven by a 1839.0% change in the company's P/S Multiple.
(LTM values as of)73120238152026Change
Stock Price ($)31.68508.801506.2%
Change Contribution By: 
Total Revenues ($ Mil)14,17412,919-8.9%
P/S Multiple0.713.81839.0%
Shares Outstanding (Mil)319351-9.1%
Cumulative Contribution1506.2%

LTM = Last Twelve Months as of date shown

Market Drivers

7/31/2023 to 8/15/2026
ReturnCorrelation
WDC1506.2% 
Market (SPY)75.6%52.5%
Sector (XLK)117.1%62.4%

Return vs. Risk

Price Returns Compared

 202120222023202420252026Total [1]
Returns
WDC Return18%-52%66%14%288%183%1082%
Peers Return49%-30%60%24%97%202%1118%
S&P 500 Return27%-19%24%23%16%14%108%

Monthly Win Rates [3]
WDC Win Rate50%42%58%67%92%62% 
Peers Win Rate63%38%63%57%63%72% 
S&P 500 Win Rate75%42%67%75%67%50% 

Max Drawdowns [4]
WDC Max Drawdown-32%-55%-29%-30%-43%-42% 
Peers Max Drawdown-20%-44%-17%-32%-42%-27% 
S&P 500 Max Drawdown-5%-25%-10%-8%-19%-9% 


[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 8/14/2026 (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%23.8%
  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%23.8%
  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 (WDC) is a global leader in data storage devices and solutions. The company designs, manufactures, and sells a comprehensive range of products for storing digital information, primarily focusing on both traditional hard disk drives (HDDs) and advanced flash-based solid state drives (SSDs) and memory products.

Its extensive product portfolio is categorized into three main areas. Client devices include HDDs and SSDs for personal computers, gaming consoles, and smart video systems, as well as embedded flash storage for mobile phones, tablets, and applications in automotive, IoT, and industrial sectors. Data center devices and solutions comprise enterprise-grade HDDs and SSDs, along with software and storage platforms for servers, online transactions, and big data analysis. Client solutions encompass external HDDs, portable SSDs, removable memory cards for consumer devices like cameras and phones, and USB flash drives.

Western Digital markets its products under well-known brands such as G-Technology, SanDisk, and WD. The company serves a diverse global customer base, including original equipment manufacturers (OEMs) who integrate storage into their products, as well as distributors, dealers, resellers, and retailers. Its products cater to a wide array of markets, from consumer electronics and mobile computing to enterprise data centers and specialized industrial applications across North America, Europe, Asia, and other international regions.

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

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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.

Better Bets vs. Western Digital (WDC)

Peer Outperformance in Technology Hardware, Storage & Peripherals

WDC has outperformed 95% of its 21 Technology Hardware, Storage & Peripherals peers over 5Y. Technology Hardware, Storage & Peripherals ranks 7th of 12 industries in Information Technology by median 5Y return. The sector’s gains have largely come from elsewhere.
Share of Technology Hardware, Storage & Peripherals constituents that WDC has outperformed, by holding period. Peers without a full price history over a given window are excluded from that window.
1Y
96%
of 26 industry peers · 579.7% return
3Y
100%
of 23 industry peers · 1591.2% return
5Y
95%
of 21 industry peers · 1005.2% return
No Technology Hardware, Storage & Peripherals peer with a comparable growth profile has beaten WDC by more than 20pp over 5Y.
Median price return by industry across the Information Technology sector, ranked by 5Y. Technology Hardware, Storage & Peripherals is WDC's own industry. Use this to see which corners of the sector have carried the returns.
Industry Names 1Y med3Y med5Y med Top 3 by 5Y
Electronic Manufacturing Services 9 76.6%253.0%452.4% TTMI 896% · FLEX 838% · FN 537%
Semiconductor Materials & Equipment 27 188.5%111.9%142.7% AEHR 2463% · AXTI 789% · KLAC 549%
Technology Distributors 9 24.9%66.2%84.1% CLMB 361% · AVT 167% · SNX 121%
Electronic Components 26 71.4%81.7%71.2% CLS 3756% · BELFA 1499% · LPTH 694%
Communications Equipment 35 43.0%95.4%53.8% AAOI 2123% · LITE 1082% · FEIM 914%
Semiconductors 54 44.6%54.9%48.2% POET 2252% · MU 1305% · NVDA 1033%
Technology Hardware, Storage & Peripherals ← 22 42.8%86.1%28.8% STX 1146% · WDC 1005% · DELL 976%
Internet Services & Infrastructure 6 15.3%38.2%21.8% DOCN 153% · VRSN 37% · GDDY 35%
Electronic Equipment & Instruments 27 3.6%13.5%-2.9% PI 250% · NSSC 133% · OSIS 127%
IT Consulting & Other Services 28 -25.1%-10.5%-19.2% CHRN 550689% · APLD 2052% · TSSI 780%
Application Software 124 -19.2%-12.8%-39.7% VIDA 234900% · INLX 5250% · PLTR 610%
Systems Software 68 -6.2%25.3%-45.0% QNC 985% · PANW 523% · ZETA 430%
Median of constituents with a full price history over each window. Top names are unfiltered by size in this render.

Latest Trefis Analyses

Recent Active Movers

Peer Comparisons

Peers to compare with:

Financials

WDCSTXMUDELLHPENTAPMedian
NameWestern .Seagate .Micron T.Dell Tec.Hewlett .NetApp  
Mkt Price508.80973.44971.66490.8158.71207.08499.81
Mkt Cap178.6219.01,096.0318.578.441.2198.8
Rev LTM12,91912,19590,274134,00238,7946,92525,856
Op Inc LTM4,5994,22659,28210,8482,2481,6954,412
FCF LTM3,5113,10526,1729,4423,9891,8693,750
FCF 3Y Avg1,3361,5298,8926,1282,3531,5791,966
CFO LTM3,9293,67451,43212,4706,3582,0675,144
CFO 3Y Avg1,7751,89223,9948,8954,7391,7533,315

Growth & Margins

WDCSTXMUDELLHPENTAPMedian
NameWestern .Seagate .Micron T.Dell Tec.Hewlett .NetApp  
Rev Chg LTM35.7%34.1%167.0%38.6%22.6%5.4%34.9%
Rev Chg 3Y Avg29.3%20.5%80.9%12.9%10.0%2.9%16.7%
Rev Chg Q43.8%48.5%345.7%87.5%40.0%12.5%46.2%
QoQ Delta Rev Chg LTM9.7%10.8%55.3%18.0%8.5%3.2%10.2%
Op Inc Chg LTM115.9%120.7%676.0%63.1%1.7%18.9%89.5%
Op Inc Chg 3Y Avg283.9%359.3%437.5%29.1%-4.8%13.6%156.5%
Op Mgn LTM35.6%34.7%65.7%8.1%5.8%24.5%29.6%
Op Mgn 3Y Avg18.1%20.7%27.0%7.2%6.9%22.1%19.4%
QoQ Delta Op Mgn LTM4.4%5.2%17.3%0.8%1.0%1.3%2.8%
CFO/Rev LTM30.4%30.1%57.0%9.3%16.4%29.8%30.0%
CFO/Rev 3Y Avg15.0%18.7%42.3%8.2%14.4%26.5%16.9%
FCF/Rev LTM27.2%25.5%29.0%7.0%10.3%27.0%26.2%
FCF/Rev 3Y Avg10.8%14.9%9.4%5.6%7.0%23.9%10.1%

Valuation

WDCSTXMUDELLHPENTAPMedian
NameWestern .Seagate .Micron T.Dell Tec.Hewlett .NetApp  
Mkt Cap178.6219.01,096.0318.578.441.2198.8
P/S13.818.012.12.42.06.09.0
P/Op Inc38.851.818.529.434.924.332.1
P/EBIT17.755.118.527.134.923.525.3
P/E19.268.821.737.950.432.335.1
P/CFO45.559.621.325.512.319.923.4
Total Yield5.3%1.7%4.7%3.1%2.9%4.1%3.6%
Dividend Yield0.1%0.3%0.1%0.5%0.9%1.0%0.4%
FCF Yield 3Y Avg1.4%2.4%0.8%4.4%5.9%6.0%3.4%
D/E0.00.00.00.10.30.10.0
Net D/E-0.00.0-0.00.10.2-0.00.0

Returns

WDCSTXMUDELLHPENTAPMedian
NameWestern .Seagate .Micron T.Dell Tec.Hewlett .NetApp  
1M Rtn9.0%30.6%13.9%25.6%30.1%29.7%27.6%
3M Rtn5.6%22.5%34.1%103.2%77.9%73.2%53.6%
6M Rtn80.8%129.1%136.2%319.7%161.2%103.8%132.6%
12M Rtn579.7%535.5%705.2%259.5%183.2%93.7%397.5%
3Y Rtn1,591.2%1,525.8%1,429.9%832.6%272.3%191.2%1,131.3%
1M Excs Rtn5.7%27.2%10.5%22.3%26.7%26.3%24.3%
3M Excs Rtn0.3%17.3%21.4%94.5%68.7%69.4%45.1%
6M Excs Rtn65.3%112.4%120.9%323.2%153.0%98.6%116.6%
12M Excs Rtn550.3%505.1%662.7%236.8%157.6%72.2%371.0%
3Y Excs Rtn1,431.1%1,386.6%1,298.8%736.1%184.5%111.2%1,017.4%

Financials

Segment Financials

Revenue by Segment
$ Mil20252024202320222021
Hard disk drives (HDD)9,5206,3176,2559,0408,216
Flash-based products (Flash)   9,7538,706
Total9,5206,3176,25518,79316,922


Operating Income by Segment
$ Mil2001
WDT-4
All Other-30
Total-34


Net Income by Segment
$ Mil202520242023
Hard disk drives (HDD)1,643-765-902
Total1,643-765-902


Assets by Segment
$ Mil2001
WDT496
All Other12
Total508


Price Behavior

Price Behavior
Market Price$508.80 
Market Cap ($ Bil)174.0 
First Trading Date01/02/1987 
Distance from 52W High-31.8% 
   50 Days200 Days
DMA Price$552.41$349.61
DMA Trendupup
Distance from DMA-7.9%45.5%
 3M1YR
Volatility102.1%79.1%
Downside Capture463.84279.61
Upside Capture395.24443.14
Correlation (SPY)54.8%51.3%
WDC Betas & Captures as of 7/31/2026

 1M2M3M6M1Y3Y
Beta4.434.574.233.433.071.96
Up Beta14.869.417.704.693.321.76
Down Beta-2.431.571.361.721.921.72
Up Capture233%597%672%919%2990%7917%
Bmk +ve Days11223567138427
Stock +ve Days12243673151422
Down Capture420%320%313%213%164%111%
Bmk -ve Days11212859114326
Stock -ve Days10192753101330

[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
WDC575.8%78.8%2.76-
Sector ETF (XLK)42.4%25.9%1.3363.5%
Equity (SPY)21.5%12.8%1.2550.9%
Gold (GLD)30.0%28.5%0.9128.6%
Commodities (DBC)38.1%20.1%1.493.9%
Real Estate (VNQ)14.4%13.9%0.73-9.3%
Bitcoin (BTCUSD)-49.1%42.8%-1.4524.5%

Smart multi-asset allocation framework can stack odds in your favor. Learn How
Based On 5-Year Data
Annualized
Return
Annualized
Volatility
Sharpe
Ratio
Correlation
with WDC
WDC58.4%52.5%1.07-
Sector ETF (XLK)20.6%25.8%0.7160.4%
Equity (SPY)13.4%17.2%0.6054.0%
Gold (GLD)19.5%18.6%0.8519.2%
Commodities (DBC)9.6%19.6%0.3813.1%
Real Estate (VNQ)2.3%18.9%0.0224.9%
Bitcoin (BTCUSD)8.0%52.8%0.3421.4%

Smart multi-asset allocation framework can stack odds in your favor. Learn How
Based On 10-Year Data
Annualized
Return
Annualized
Volatility
Sharpe
Ratio
Correlation
with WDC
WDC33.1%50.1%0.77-
Sector ETF (XLK)24.7%24.9%0.9059.6%
Equity (SPY)15.4%17.9%0.7356.8%
Gold (GLD)12.0%16.2%0.6013.5%
Commodities (DBC)7.7%18.0%0.3420.6%
Real Estate (VNQ)5.0%20.7%0.2035.4%
Bitcoin (BTCUSD)59.9%66.1%1.0015.3%

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

Short Interest

Short Interest: As Of Date7312026
Short Interest: Shares Quantity24.6 Mil
Short Interest: % Change Since 71520265.8%
Average Daily Volume7.7 Mil
Days-to-Cover Short Interest3.2 days
Basic Shares Quantity351.0 Mil
Short % of Basic Shares7.0%

Earnings Returns History

Updated 8/14/2026
Expand for More
 Forward Returns
Earnings Date1D Returns5D Returns21D Returns
8/5/2026-13.0%-12.5% 
4/30/2026-0.7%6.8%25.7%
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%
...
SUMMARY STATS   
# Positive111215
# Negative13128
Median Positive4.7%7.1%15.8%
Median Negative-3.5%-3.1%-5.4%
Max Positive10.2%18.4%37.2%
Max Negative-13.0%-16.1%-16.5%
Collapse to Preview
 Forward Returns
Earnings Date1D Returns5D Returns21D Returns
8/5/2026-13.0%-12.5% 
4/30/2026-0.7%6.8%25.7%
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%
4/25/20242.8%0.4%7.7%
1/25/2024-3.5%-4.9%-5.4%
10/30/20237.3%10.4%20.3%
7/31/20230.7%2.2%-2.4%
5/8/2023-1.7%7.5%17.1%
1/31/2023-1.4%-2.0%-12.7%
10/27/2022-2.7%-2.0%5.8%
8/5/2022-5.7%-1.7%-16.5%
4/28/20220.9%16.3%18.3%
1/27/2022-7.3%-2.9%-5.4%
10/28/2021-8.7%-3.9%3.0%
8/4/20213.3%2.7%-5.1%
4/29/2021-0.7%-2.1%5.8%
1/28/20217.2%12.6%37.2%
10/28/2020-1.8%-3.3%18.1%
SUMMARY STATS   
# Positive111215
# Negative13128
Median Positive4.7%7.1%15.8%
Median Negative-3.5%-3.1%-5.4%
Max Positive10.2%18.4%37.2%
Max Negative-13.0%-16.1%-16.5%

SEC Filings

Expand for More
Report DateFiling DateFiling
06/30/202608/14/202610-K
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
Collapse to Preview
Report DateFiling DateFiling
06/30/202608/14/202610-K
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
03/31/202205/04/202210-Q
12/31/202102/03/202210-Q
09/30/202111/04/202110-Q
06/30/202108/27/202110-K
03/31/202105/06/202110-Q
12/31/202002/09/202110-Q
09/30/202011/06/202010-Q
06/30/202008/28/202010-K
03/31/202005/08/202010-Q
12/31/201902/11/202010-Q
09/30/201911/12/201910-Q

Recent Forward Guidance

Updated 8/6/2026

Latest: Q4 2026 Earnings Reported 8/5/2026

Forward GuidanceGuidance Change
MetricLowMidHigh% Chg% DeltaChangePrior
Q1 2027 Revenue4.00 Bil4.10 Bil4.20 Bil12.3% Higher NewGuidance: 3.65 Bil for Q4 2026
Q1 2027 Gross margin55.0%55.5%56.0% 4.0%Higher NewGuidance: 51.5% for Q4 2026
Q1 2027 Operating expenses390.00 Mil395.00 Mil400.00 Mil1.3% Higher NewGuidance: 390.00 Mil for Q4 2026
Q1 2027 Interest and other expense, net 15.00 Mil    
Q1 2027 Tax rate 17.0%    
Q1 2027 Diluted net income per common share3.8544.1523.1% Higher NewGuidance: 3.25 for Q4 2026
Q1 2027 Diluted weighted average shares 388.00 Mil    

Prior: 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% 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

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% 3.0%Higher NewGuidance: 44.5% for Q2 2026
Q3 2026 Operating expenses380.00 Mil385.00 Mil390.00 Mil4.1% 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

Q1 2026 Earnings Reported 10/30/2025

Forward GuidanceGuidance Change
MetricLowMidHigh% Chg% DeltaChangePrior
Q2 2026 Revenue2.80 Bil2.90 Bil3.00 Bil7.4% Higher NewGuidance: 2.70 Bil for Q1 2026
Q2 2026 Gross margin44.0%44.5%45.0% 3.0%Higher NewGuidance: 41.5% for Q1 2026
Q2 2026 Operating expenses365.00 Mil370.00 Mil375.00 Mil-1.3% Lower NewGuidance: 375.00 Mil for Q1 2026
Q2 2026 Diluted net income per common share1.731.882.0322.1% Higher NewGuidance: 1.54 for Q1 2026

Insider Activity

Updated 8/12/2026
Expand for More
#OwnerTitleHoldingActionFiling DatePriceSharesTransacted
Value
Value of
Held Shares
Form
1Tan, IrvingChief Executive OfficerDirectSell8122026444.9720,0008,899,329256,285,554Form
2Cole, Martin I DirectSell7292026462.7719288,8529,918,584Form
3Cole, Martin I DirectSell7292026448.663,8081,708,5059,702,315Form
4Tregillis, Cynthia LChief Legal Officer & Corp SecDirectSell7212026529.63808427,94160,663,291Form
5Cole, Martin I DirectSell6112026536.01720385,92413,632,236Form
Collapse to Preview
#OwnerTitleHoldingActionFiling DatePriceSharesTransacted
Value
Value of
Held Shares
Form
1Tan, IrvingChief Executive OfficerDirectSell8122026444.9720,0008,899,329256,285,554Form
2Cole, Martin I DirectSell7292026462.7719288,8529,918,584Form
3Cole, Martin I DirectSell7292026448.663,8081,708,5059,702,315Form
4Tregillis, Cynthia LChief Legal Officer & Corp SecDirectSell7212026529.63808427,94160,663,291Form
5Cole, Martin I DirectSell6112026536.01720385,92413,632,236Form
6Cole, Martin I DirectSell6112026511.163,2801,676,60013,368,333Form
7Tregillis, Cynthia LChief Legal Officer & Corp SecDirectSell6052026545.60432235,69963,640,421Form
8Gubbi, Vidyadhara KChief of Global OperationsDirectSell6022026556.242,4751,376,69447,366,061Form
9Kiddoo, Bruce E DirectSell5292026528.52750396,3902,062,814Form
10Tregillis, Cynthia LChief Legal Officer & Corp SecDirectSell5272026539.63214115,48163,221,432Form
11Tregillis, Cynthia LChief Legal Officer & Corp SecDirectSell5272026488.61308150,49257,721,942Form
12Tregillis, Cynthia LChief Legal Officer & Corp SecDirectSell5222026458.8710648,64054,349,939Form
13Davis, Brian ScottChief Sales & Mrktng OfficerDirectSell5122026500.6910,0005,006,89552,854,790Form
14Gubbi, Vidyadhara KChief of Global OperationsDirectSell5052026443.194,6742,071,44739,904,821Form
15Tan, IrvingChief Executive OfficerDirectSell5052026411.8420,0008,236,864246,344,024Form
16Tregillis, Cynthia LChief Legal Officer & Corp SecDirectSell4222026377.09363136,88445,259,473Form
17Gubbi, Vidyadhara KChief of Global OperationsDirectSell3102026255.328,5182,174,85825,347,645Form
18Tregillis, Cynthia LChief Legal Officer & Corp SecDirectSell3052026268.279,3242,501,38232,644,052Form
19Gubbi, Vidyadhara KChief of Global OperationsDirectSell3052026270.3110,1482,743,11029,137,840Form
20Cole, Martin I DirectSell3032026271.676,0001,630,0027,995,974Form
21Tregillis, Cynthia LChief Legal Officer & Corp SecDirectSell2272026286.1121461,22838,276,082Form
22Tregillis, Cynthia LChief Legal Officer & Corp SecDirectSell2242026281.7030886,76437,961,610Form
23Tregillis, Cynthia LChief Legal Officer & Corp SecDirectSell2242026283.8313036,89838,336,067Form
24Davis, Brian ScottChief Sales & Mrktng OfficerDirectSell2192026279.1610,0002,791,60333,999,491Form
25Tregillis, Cynthia LChief Legal Officer & Corp SecDirectSell2062026270.496,7801,833,92236,932,164Form
26Massengill, Matthew E Family TrustSell2062026260.4336,926  Form
27Tan, IrvingChief Executive OfficerDirectSell2042026255.4420,0005,108,831159,289,777Form
28Tregillis, Cynthia LChief Legal Officer & Corp SecDirectSell1212026229.00447102,36332,819,822Form
29Gubbi, Vidyadhara KChief of Global OperationsDirectSell12082025168.148,9431,503,71321,331,442Form
30Gubbi, Vidyadhara KChief of Global OperationsDirectSell12082025159.9413,8772,219,51021,721,189Form
31Alexy, Kimberly DirectSell12082025160.082,000320,165253,731Form
32Tregillis, Cynthia LChief Legal Officer & Corp SecDirectSell12032025160.572,801449,75223,217,519Form
33Cole, Martin I DirectSell12032025162.626,000975,6965,761,973Form
34Oulman, Roxanne DirectSell11262025154.421,800277,956596,524Form
35Alexy, Kimberly DirectSell11262025154.001,768272,272552,090Form
36Cole, Martin I DirectSell11062025161.3210,0001,613,2126,372,834Form
37Tan, IrvingChief Executive OfficerDirectSell11052025150.6920,0003,013,78497,264,908Form
38Gubbi, Vidyadhara KChief of Global OperationsDirectSell905202590.2911,3431,024,16213,687,633Form
39Zamiska, Gene MSVP & Princ. Acctg OfficerDirectSell828202580.9035328,5582,218,682Form
40Zamiska, Gene MSVP & Princ. Acctg OfficerDirectSell827202579.1081464,3872,224,450Form
41Zamiska, Gene MSVP, Global Accounting & ChiefDirectSell825202574.781,828136,6982,223,359Form
42Tregillis, Cynthia LChief Legal Officer & Corp SecDirectSell825202574.7814,0671,051,93010,121,548Form
43Zamiska, Gene MSVP, Global Accounting & ChiefDirectSell825202575.683,160239,1492,388,461Form
44Tan, IrvingChief Executive OfficerDirectSell821202575.908,621654,33445,148,052Form
45Gubbi, Vidyadhara KChief of Global OpsDirectSell813202576.265,597426,82711,795,821Form
46Gubbi, Vidyadhara KChief of Global OpsDirectSell813202574.883,947295,53212,000,666Form

Investor Activity (13F)

Updated Aug 16, 2026
13F holdings as of Mar 31, 2026 (Q1 2026)

Active managers (13F portfolio over $250M, at least 3 holdings) with a position over $5M that is either over 10% of their portfolio or held in a concentrated book of 50 or fewer total positions. Index/ETF, sovereign, bank, community-bank and charitable/donor-advised filers are excluded.

Active ManagerValue% of PortfolioTotal PositionsQoQFiling
Whitebox Advisors LLC$1.5 Bil21.1%545Hold13F
Boussard & Gavaudan Investment Management LLP$186.1 Mil17.9%84TRIM -6.9%13F
Maple Rock Capital Partners Inc.$378.8 Mil12.3%44TRIM -41.2%13F
Amanah Holdings Trust$85.2 Mil9.4%20Hold13F
Talos Eurisko Asset Management LP$47.0 Mil8.0%23TRIM -16.0%13F
Trivest Advisors Ltd$93.3 Mil6.7%29TRIM -60.6%13F
Rivermont Capital Management LP$31.3 Mil6.6%20TRIM -25.0%13F
Alta Park Capital, LP$34.2 Mil5.5%24TRIM -67.8%13F
Anther Capital Ltd$192.7 Mil5.0%31New13F
Castle Hook Partners LP$237.7 Mil4.8%44TRIM -33.7%13F
WT Asset Management Ltd$220.9 Mil4.6%32ADD +98.5%13F
Tyro Capital Management LLC$16.1 Mil4.1%23New13F
Permit Capital, LLC$11.1 Mil3.8%19TRIM -48.5%13F
Attestor Capital Ltd$14.3 Mil3.8%9ADD +139.8%13F
Atalan Capital Partners, LP$36.4 Mil3.4%10TRIM -80.9%13F
XN LP$74.5 Mil2.7%23New13F
UNICOM Systems, Inc.$24.5 Mil2.5%32New13F
Avala Global LP$51.1 Mil2.5%22Hold13F
Jericho Capital Asset Management L.P.$157.3 Mil2.3%23New13F
Soroban Capital Partners LP$310.1 Mil2.2%27Hold13F
Hawk Ridge Capital Management LP$56.6 Mil2.1%48TRIM -35.7%13F
Park West Asset Management LLC$20.3 Mil1.8%48TRIM -32.7%13F
Melqart Asset Management (UK) Ltd$17.4 Mil1.7%41TRIM -35.4%13F
Whale Rock Capital Management LLC$111.4 Mil1.4%35New13F
Oribel Capital Management, LP$7.6 Mil1.2%41New13F
Active ManagerValue% of PortfolioTotal PositionsQoQFiling
Anther Capital Ltd$192.7 Mil5.0%31New13F
Jericho Capital Asset Management L.P.$157.3 Mil2.3%23New13F
Whale Rock Capital Management LLC$111.4 Mil1.4%35New13F
XN LP$74.5 Mil2.7%23New13F
UNICOM Systems, Inc.$24.5 Mil2.5%32New13F
Tyro Capital Management LLC$16.1 Mil4.1%23New13F
Oribel Capital Management, LP$7.6 Mil1.2%41New13F
Attestor Capital Ltd$14.3 Mil3.8%9ADD +139.8%13F
WT Asset Management Ltd$220.9 Mil4.6%32ADD +98.5%13F
Active ManagerValue% of PortfolioTotal PositionsQoQAs OfFiling
Wolf Hill Capital Management, LP$101.7 Mil11.8%22ExitedDec 31, 202513F
CloudAlpha Capital Management Limited/Hong Kong$20.9 Mil1.9%43ExitedDec 31, 202513F
MIG Capital, LLC$11.6 Mil2.0%43ExitedDec 31, 202513F
Atalan Capital Partners, LP$36.4 Mil3.4%10TRIM -80.9%Mar 31, 202613F
Alta Park Capital, LP$34.2 Mil5.5%24TRIM -67.8%Mar 31, 202613F
Trivest Advisors Ltd$93.3 Mil6.7%29TRIM -60.6%Mar 31, 202613F
Permit Capital, LLC$11.1 Mil3.8%19TRIM -48.5%Mar 31, 202613F
Maple Rock Capital Partners Inc.$378.8 Mil12.3%44TRIM -41.2%Mar 31, 202613F
Hawk Ridge Capital Management LP$56.6 Mil2.1%48TRIM -35.7%Mar 31, 202613F
Melqart Asset Management (UK) Ltd$17.4 Mil1.7%41TRIM -35.4%Mar 31, 202613F
Castle Hook Partners LP$237.7 Mil4.8%44TRIM -33.7%Mar 31, 202613F
Park West Asset Management LLC$20.3 Mil1.8%48TRIM -32.7%Mar 31, 202613F
Rivermont Capital Management LP$31.3 Mil6.6%20TRIM -25.0%Mar 31, 202613F
Talos Eurisko Asset Management LP$47.0 Mil8.0%23TRIM -16.0%Mar 31, 202613F
Boussard & Gavaudan Investment Management LLP$186.1 Mil17.9%84TRIM -6.9%Mar 31, 202613F
Active ManagerValue% of PortfolioTotal PositionsQoQFiling
Whitebox Advisors LLC$1.5 Bil21.1%545Hold13F
Maple Rock Capital Partners Inc.$378.8 Mil12.3%44TRIM -41.2%13F
Soroban Capital Partners LP$310.1 Mil2.2%27Hold13F
Castle Hook Partners LP$237.7 Mil4.8%44TRIM -33.7%13F
WT Asset Management Ltd$220.9 Mil4.6%32ADD +98.5%13F
Anther Capital Ltd$192.7 Mil5.0%31New13F
Boussard & Gavaudan Investment Management LLP$186.1 Mil17.9%84TRIM -6.9%13F
Jericho Capital Asset Management L.P.$157.3 Mil2.3%23New13F
Whale Rock Capital Management LLC$111.4 Mil1.4%35New13F
Trivest Advisors Ltd$93.3 Mil6.7%29TRIM -60.6%13F
Amanah Holdings Trust$85.2 Mil9.4%20Hold13F
XN LP$74.5 Mil2.7%23New13F
Hawk Ridge Capital Management LP$56.6 Mil2.1%48TRIM -35.7%13F
Avala Global LP$51.1 Mil2.5%22Hold13F
Talos Eurisko Asset Management LP$47.0 Mil8.0%23TRIM -16.0%13F
Atalan Capital Partners, LP$36.4 Mil3.4%10TRIM -80.9%13F
Alta Park Capital, LP$34.2 Mil5.5%24TRIM -67.8%13F
Rivermont Capital Management LP$31.3 Mil6.6%20TRIM -25.0%13F
UNICOM Systems, Inc.$24.5 Mil2.5%32New13F
Park West Asset Management LLC$20.3 Mil1.8%48TRIM -32.7%13F
Melqart Asset Management (UK) Ltd$17.4 Mil1.7%41TRIM -35.4%13F
Tyro Capital Management LLC$16.1 Mil4.1%23New13F
Attestor Capital Ltd$14.3 Mil3.8%9ADD +139.8%13F
Permit Capital, LLC$11.1 Mil3.8%19TRIM -48.5%13F
Oribel Capital Management, LP$7.6 Mil1.2%41New13F

WDC Trade Sentinel


Stock Conviction

Constructive

CONVICTION RATIONALE

Western Digital is capitalizing on immense AI-driven demand, using its duopoly position to drive significant price increases and margin expansion. Forward visibility is strong with multi-year customer agreements. Conviction is tempered by a technology transition risk, as a key competitor has a lead in next-generation HAMR products, creating a critical execution test in 2027.

STOCK ARCHETYPE
Cyclical Manufacturing

(Total Exabytes Shipped) x (Average Selling Price per Exabyte) Mix shift to higher-capacity, higher-margin drives and operating leverage from high factory utilization in a tight supply environment.

Looking for high-conviction positions with a better risk/reward profile? See what's currently in the Trefis High Quality Portfolio.
INVESTMENT THESIS
Can pricing power in a tight market fund the bridge to next-generation technology?

Evidence suggests yes. WDC is leveraging a supply-constrained market to lock in multi-year customer agreements, driving record margins and strong cash flow while executing on its technology roadmap.

Mechanism: AI-driven demand for mass storage exceeds supply, allowing WDC to raise prices (high-teens YoY increase per terabyte) and shift mix to high-capacity drives. This drives gross margins, guided to 55% to 56% for Q1 2027, and generates substantial free cash flow to fund development.
Supporting Evidence:
  • Cloud segment revenue grew 43% year-over-year, now representing 89% of total revenue.
  • Blended price per terabyte increased by a high-teens percentage year-over-year in Q4.
  • Q1 FY2027 gross margin is guided to a range of 55% to 56%.
  • Management is in discussions for long-term agreements extending to calendar '29 and '30.
PRIMARY RISK
Technology Gap in HAMR Transition

Competitor Seagate is already shipping next-generation HAMR drives at scale, with HAMR representing approximately 40% of its nearline exabyte shipment run rate. WDC's comparable product is not scheduled to ship until the first half of 2027, creating a potential window for market share loss.

Mechanism: A delay in the H1 2027 HAMR product launch or loss of a hyperscale customer.
Supporting Evidence:
  • A competitor's HAMR products make up approximately 40% of its nearline exabyte run rate.
  • WDC's 44-terabyte HAMR product is not scheduled to ship until H1 calendar 2027.
  • The stock fell 18% after its last earnings report on concerns about its margin outlook.
  • News reports in August cited market concerns over the competitor's HAMR technology lead.
Key KPI Watchlist
KPI Status Rationale
Exabyte Shipments231 exabytes in Q4 FY2026 - DeceleratingThe 22% year-over-year growth in the latest quarter represents a deceleration from the 34% growth reported in the prior quarter, though it is in line with the 22% growth from two quarters ago. The metric continues to grow sequentially.
Latest-Quarter Revenue Growth (YoY)43.8% year-over-year growth in the quarter ended 6/30/2026 - DeceleratingThe year-over-year revenue growth rate of 43.8% in the latest quarter marks a slight slowdown from the 45.5% growth seen in the prior quarter. However, it remains significantly above the 25.2% growth from two quarters ago, indicating a very strong but moderating growth trajectory.
Price per Terabyte Change (YoY)High teens increase (Q4 FY2026)This reflects the company's pricing power and the supply/demand balance in the market. A positive change indicates a favorable pricing environment and contributes directly to revenue growth and margin expansion.
Core Investment Debate

Current Profitability vs. Future Tech Risk

BULL VIEW

WDC's dual-track roadmap (ePMR now, HAMR later) successfully bridges the technology gap, using current record profits to fund a seamless transition while locking in long-term demand with its deep customer relationships.

CORE TENSION

Can WDC's proven execution and current ePMR ramp offset a competitor's head start in next-generation HAMR technology?


PREVAILING SENTIMENT
CAUTIOUSLY BULLISH

Current evidence favors the bull case. Management has a strong record of meeting roadmap milestones, and current financial performance and forward guidance remain exceptionally strong.

BEAR VIEW

The HAMR technology gap is too wide. Seagate's lead allows it to capture the highest-value customers, eroding WDC's pricing power and market share before its own HAMR product can achieve scale in 2027.

Next 6 months: Risks and Catalysts
Timeline Event & Metric To Watch
September 17, 2026
Quarterly Cash Dividend Payment
Watch: Company to pay a cash dividend of $0.15 per share of common stock.
9/21/2026
Peer Technology Milestone
Watch: Seagate's earnings call for updates on its HAMR ramp, customer qualifications, and market share commentary.
10/28/2026
Margin Outlook Disappoints
Watch: Q2 gross margin guidance in the next earnings report; commentary on pricing and cost reduction trajectory.
10/28/2026
Next Earnings Report
Watch: Company scheduled to report its next quarterly earnings.
11/9/2026
Peer Earnings Report
Watch: Peer Dell Technologies (DELL) is scheduled to report earnings.
second half of calendar year 2026
New ePMR Drive Ramp
Watch: Company to begin volume production of 40-terabyte ePMR drives.
in the next few months
Convertible Note Tendering
Watch: Company expects remaining $367 million of 2028 Convertible Notes to be tendered for conversion.
January 2027
Revolving Credit Facility Maturity
Watch: Company's $350 million Revolving Credit Facility matures.
in the next few months
Convertible Note Conversion
Watch: Company announcements regarding the tendering and settlement of convertible notes and the number of shares issued.
Key Events in Last 6 Months
Date Event Stock Impact
2026-08-15
Settled Convertible Notes
Details: In June 2026, the company entered into exchange agreements with holders of $858 million in principal of its 2028 Convertible Notes, settling the obligation for cash and shares.
+4.4%
$487.29 -> $508.80
2026-08-15
Monetized Debt with Sandisk Shares
Details: In February 2026, the company executed a series of transactions to monetize Sandisk shares and further reduce its outstanding debt, retiring its Bridge Loan and Term Loan A-3.
+4.4%
$487.29 -> $508.80
2026-08-05
Reported Q4 Earnings, Stock Fell
Details: On August 5, 2026, the company reported Q4 revenue growth of 44% and raised Q1 guidance. However, the stock had a two-day reaction of -18.0% on lofty expectations.
-17.7%
$548.56 -> $451.52
2026-07-28
Rival Set High Margin Bar
Details: On July 28, 2026, competitor Seagate reported its earnings, delivering non-GAAP gross margin of 52.7% and guiding for strong sequential growth, setting high market expectations for the sector.
-7.2%
$497.92 -> $462.04
2026-05-06
Announced Equity-for-Equity Exchange
Details: On May 6, 2026, the company announced exchange agreements to receive an aggregate of 1,865,801 shares of its own common stock in exchange for 653,203 shares of Sandisk common stock.
-0.3%
$465.14 -> $463.79
2026-04-30
Reported Strong Q3 Results
Details: The company reported fiscal Q4 results on April 30, 2026. The stock had a positive two-day reaction of 5.0% versus 0.0% for the S&P 500.
+4.5%
$412.65 -> $431.41
2026-03-04
Analyst Highlights Structural Shift
Details: A March press report noted a structural transformation, with the company divesting SanDisk, reducing debt, and focusing on high-margin nearline HDDs for cloud customers.
+3.4%
$250.42 -> $258.96
Risk Management
Position Sizing

1% - 2%

MINIMAL POSITION

Sizing is volatility-based: WDC trades at roughly 76% annualized options-implied volatility versus about 13% for the S&P 500 (6.0x the market), around the 50th percentile of its own trailing year. A 1% - 2% position keeps a single-name swing of that size within a diversified portfolio's risk budget.

Diversification Alternatives
STX - Seagate Technology
Direct Competitor

Seagate offers direct exposure to the same HDD market dynamics but with a current lead in shipping next-generation HAMR technology, which may appeal to investors prioritizing technology leadership over current margins.

Core Thesis: A direct play on mass capacity storage demand with a head start in the industry's next critical technology transition.
MU - Micron Technology
Broader AI Infrastructure

Micron provides exposure to the AI buildout through the memory (DRAM/NAND) market, which is a different, larger part of the technology stack. It offers diversification away from the HDD-specific technology race.

Core Thesis: A play on the memory super-cycle driven by AI server content growth and broader data center expansion.
How Is The Market Pricing WDC?

A pure-play HDD manufacturer acting as a primary arms dealer for the AI-driven data explosion, with significant operating leverage in a supply-constrained market.

Western Digital is a direct beneficiary of the compounding data generated by AI and cloud growth. As a focused HDD provider, it offers the most cost-effective solution for mass-scale data storage, which comprises roughly 80% of data in hyperscale data centers. In a tight market, the company is leveraging its technology roadmap and deep customer relationships to lock in long-term demand and exercise significant pricing power, driving rapid margin expansion.

What will confirm the thesis

Sustained exabyte growth above 25%, successful volume ramp of 40TB ePMR and 44TB HAMR drives, and announcements of new or extended long-term agreements with hyperscalers.

What will damage the thesis

A slowdown in cloud/AI capital expenditures, significant market share loss to Seagate's HAMR products, or an unexpected easing of supply constraints leading to pricing pressure.

Noise: Real but irrelevant to thesis

Short-term stock price volatility unrelated to fundamental supply/demand dynamics, such as reactions to a competitor's earnings that don't alter WDC's own outlook or customer commitments.

Repricing Catalyst

The successful execution of its high-capacity product roadmap (40TB ePMR and 44TB HAMR) and continued margin expansion driven by favorable pricing under long-term agreements in a supply-constrained market.

What WDC Makes & Who Pays
TTM figures based on fiscal year 2025 filings (the latest reported segment data)
WDC Evolution: Price Return by Era
Years leading up to 2025 · Dual-Technology Provider (Pre-2025)
+274%
Prior to February 2025, the company operated with two reportable segments: Hard disk drives (HDD) and Flash-based products (Flash), developing and selling both major types of storage technology.
February 21, 2025 onwards · Focused HDD Pure-Play (2025-Present)
+274%
The company completed the separation of its Flash business (Sandisk) to become a 'focused pure-play HDD company.' This strategic shift allows it to concentrate on its core HDD technology to capitalize on the growth in mass-capacity storage driven by AI and the cloud, operating as a single reportable segment.
Market Is In Wait-and-See Mode
Price structure is neutral. The price is in a holding pattern with no clear directional commitment from the moving average stack. Relative to SPY: Mildly ahead of the market but 'relative strength' trend is softening; monitor for rotation out. Volume and momentum are mixed. There is no clear institutional footprint in either direction. Earnings history is mildly supportive. The reaction or drift are positive but not both at full conviction.
① Structure
0
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
0
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
1 / 12
1 Price Structure & Trend Pullback in Uptrend · -
2 Momentum Mixed
3 Relative Strength vs. SPY Mild Outperformance
4 Institutional Footprint & Volume Neutral / Mixed
5 Volatility Normal
6 Key Price Levels Range · Vol Falling
7 Earnings Reaction History Emerging Resilience
8 How the Verdict Is Derived Three Pillars
Core Cache Last Updated: 8/15/2026