Western Digital Corp.
WDC Real Time Price USDRecent trades of WDC by members of U.S. Congress
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Recently reported changes in WDC holdings by institutional investors
Quarterly net insider trading by WDC's directors and management
* Insider trading data parsed from SEC Form 4 filings by Quiver Quantitative. Sign up for the Quiver API for real-time access.
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- YTD
- 1Y
- 2Y
- 5Y
- MAX
About
Key Metrics
Return (1d)
Return (30d)
Return (1Y)
CAGR (Total)
Max Drawdown
Beta
Alpha
Sharpe Ratio
Win Rate
Average Win
Average Loss
Annual Volatility
Annual Std Dev
Information Ratio
Treynor Ratio
Total Trades
Metrics Definitions
Disclaimer: The performance results shown are based on historical backtesting and are hypothetical in nature. Backtested performance does not represent actual trading and does not account for all market factors that may affect execution, such as liquidity, slippage, and changing market conditions. Past performance is not necessarily indicative of future results. There is no guarantee that any trading strategy will be profitable or avoid losses.
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Alpha
Measures a portfolio's risk-adjusted performance against that of its benchmark
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Annual Standard Deviation
Measures how much the portfolio's total return varies from its mean or average.
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Annual Volatility
A statistical measure of the dispersion of returns for the portfolio.
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Average Win
The average return (%) for trades that resulted in a positive return.
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Average Loss
The average return (%) for trades that resulted in a negative return.
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Beta
A measure of the volatility of the portfolio compared to the market as a whole.
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CAGR
CAGR (Compounded Annual Growth Rate), is the historical annualized rate of return for an investment strategy, throughout the backtest period.
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Information Ratio
A measurement of portfolio returns beyond the returns of its benchmark compared to the volatility of those returns.
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Max Drawdown
the maximum observed loss from a peak to a trough of a portfolio, before a new peak is attained.
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Sharpe Ratio
The Sharpe Ratio is a measure of historical risk-adjusted return, which quantifies the amount of return that an investor received per unit of risk.
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Total Trades
The total number of trades made by this strategy.
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Treynor Ratio
Attempts to measure how successful an investment is in providing compensation to investors for taking on investment risk.
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Win Rate
The percentage of total trades that resulted in a positive return.
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Government lobbying spending instances
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$120,000 Oct 20, 2025 Issue: Budget/Appropriations Taxation/Internal Revenue Code Trade (domestic/foreign)
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$60,000 Jul 21, 2025 Issue: Trade (domestic/foreign)
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$20,000 Jul 17, 2025 Issue: Manufacturing Trade (domestic/foreign) Environment/Superfund
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$60,000 Apr 21, 2025 Issue: Trade (domestic/foreign)
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$30,000 Apr 21, 2025 Issue: Manufacturing Trade (domestic/foreign) Environment/Superfund
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$80,000 Jan 20, 2025 Issue: Trade (domestic/foreign)
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$30,000 Jan 16, 2025 Issue: Manufacturing Trade (domestic/foreign) Environment/Superfund
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$80,000 Oct 21, 2024 Issue: Trade (domestic/foreign)
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$30,000 Oct 11, 2024 Issue: Environment/Superfund Trade (domestic/foreign) Manufacturing
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$80,000 Jul 22, 2024 Issue: Trade (domestic/foreign)
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$30,000 Jul 16, 2024 Issue: Environment/Superfund Trade (domestic/foreign) Manufacturing
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$80,000 Jan 22, 2024 Issue: Trade (domestic/foreign)
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$20,000 Jan 22, 2024 Issue: Trade (domestic/foreign) Manufacturing
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$80,000 Oct 20, 2023 Issue: Trade (domestic/foreign)
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$30,000 Oct 17, 2023 Issue: Trade (domestic/foreign) Manufacturing
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$80,000 Jul 20, 2023 Issue: Trade (domestic/foreign)
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$40,000 Jul 16, 2023 Issue: Trade (domestic/foreign) Manufacturing
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$80,000 Jan 20, 2023 Issue: Trade (domestic/foreign)
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$70,000 Jan 11, 2023 Issue: Trade (domestic/foreign) Manufacturing
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$80,000 Oct 20, 2022 Issue: Trade (domestic/foreign)
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$70,000 Oct 13, 2022 Issue: Trade (domestic/foreign) Manufacturing
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$80,000 Jul 20, 2022 Issue: Trade (domestic/foreign)
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$80,000 Jul 12, 2022 Issue: Trade (domestic/foreign) Manufacturing
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$80,000 Apr 20, 2022 Issue: Trade (domestic/foreign) Manufacturing
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$80,000 Apr 20, 2022 Issue: Trade (domestic/foreign)
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$60,000 Jan 20, 2022 Issue: Manufacturing
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$80,000 Jan 20, 2022 Issue: Trade (domestic/foreign)
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$80,000 Oct 20, 2021 Issue: Trade (domestic/foreign)
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$70,000 Oct 19, 2021 Issue: Manufacturing
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$70,000 Jul 20, 2021 Issue: Manufacturing
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$80,000 Jul 20, 2021 Issue: Trade (domestic/foreign)
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$20,000 Apr 20, 2021 Issue: Manufacturing
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$100,000 Apr 20, 2021 Issue: Trade (domestic/foreign)
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$70,000 Jan 21, 2021 Issue: Trade (domestic/foreign)
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$60,000 Jan 20, 2021 Issue: Science/Technology Defense Manufacturing
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$40,000 Jan 19, 2021 Issue: Computer Industry
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$90,000 Jan 15, 2021 Issue: Computer Industry
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$60,000 Oct 19, 2020 Issue: Science/Technology Defense Manufacturing
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$90,000 Oct 16, 2020 Issue: Computer Industry
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$40,000 Oct 16, 2020 Issue: Computer Industry
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$90,000 Jul 16, 2020 Issue: Computer Industry
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$40,000 Jul 14, 2020 Issue: Computer Industry
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$50,000 Apr 16, 2020 Issue: Transportation Automotive Industry
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$50,000 Jan 16, 2020 Issue: Automotive Industry Transportation
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$30,000 Apr 22, 2019 Issue: Trade (domestic/foreign)
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$90,000 Jan 22, 2019 Issue: Trade (domestic/foreign)
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$90,000 Oct 22, 2018 Issue: Trade (domestic/foreign)
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$90,000 Jul 20, 2018 Issue: Trade (domestic/foreign)
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$90,000 Apr 20, 2018 Issue: Trade (domestic/foreign)
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$110,000 Jan 22, 2018 Issue: Trade (domestic/foreign)
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$150,000 Oct 20, 2017 Issue: Trade (domestic/foreign)
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$90,000 Jul 22, 2017 Issue: Trade (domestic/foreign)
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$10,000 Jan 20, 2016 Issue: Computer Industry Trade (domestic/foreign)
WDC Estimated quarterly lobbying spending
WDC Revenue by Segment or Geography
New WDC patent grants
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Patent Title: Method for making a perpendicular magnetic recording write head with write pole having thin side gaps and thicker leading gap Oct. 31, 2017
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Patent Title: Low magnetic flux density interface layer for spin torque oscillator Oct. 31, 2017
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Patent Title: Overprovision capacity in a data storage device Oct. 31, 2017
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Patent Title: Gas-charging head with integral valves Oct. 24, 2017
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Patent Title: Switching period control of microwave assisted magnetic recording for pole erasure suppression Oct. 24, 2017
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Patent Title: Coupled soft bias scissor type sensor Oct. 24, 2017
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Patent Title: Short yoke length writer having assist coils Oct. 24, 2017
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Patent Title: Analog-to-digital conversion circuitry with real-time adjusted gain and resolution Oct. 17, 2017
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Patent Title: Data storage device communicating servo information between servo channels of multiple actuators Oct. 17, 2017
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Patent Title: Offline deduplication for solid-state storage devices Oct. 17, 2017
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Patent Title: Trim command processing in a solid state drive Oct. 17, 2017
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Patent Title: Identifying disk drives and processing data access requests Oct. 17, 2017
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Patent Title: Shielded three-layer patterned ground structure Oct. 10, 2017
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Patent Title: Shield for external welds of hermetically sealed electronics devices Oct. 10, 2017
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Patent Title: Data storage device detecting lasing threshold of laser by measuring protrusion effect Oct. 10, 2017
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Patent Title: Data storage device detecting minimum stable fly height of a head over a disk Oct. 10, 2017
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Patent Title: Magnetic read apparatus having multiple read sensors with reduced sensor spacing usable in two-dimensional magnetic recording applications Oct. 10, 2017
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Patent Title: Method for providing heat assisted magnetic recording write apparatus having a near-field transducer with a sloped nose Oct. 10, 2017
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Patent Title: Flux-guided tunneling magnetoresistive (tmr) sensor for magnetic tape with reduced likelihood of electrical shorting Oct. 10, 2017
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Patent Title: Apparatuses and methods for providing thin shields in a multiple sensor array Oct. 10, 2017
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Patent Title: Read command processing for data storage system based on previous writes Oct. 10, 2017
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Patent Title: Processing data access requests from multiple interfaces for data storage devices Oct. 10, 2017
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Patent Title: Flex cable interface Oct. 10, 2017
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Patent Title: Implementing magnetic memory integration with cmos driving circuits Oct. 03, 2017
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Patent Title: Perpendicular magnetic recording writer having improved performance and wide area track erasure reliability Oct. 03, 2017
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Patent Title: Doorless protocol having multiple queue read requests in flight Oct. 03, 2017
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Patent Title: File management system Oct. 03, 2017
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Patent Title: Monitoring voltage levels for data storage devices Oct. 03, 2017
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Patent Title: Linear push-push mechanism for removable storage cartridge system Sep. 26, 2017
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Patent Title: Solving unstable universal asynchronous receive transmit (uart) communication between a power manager and a universal serial bus (usb)-bridge device Sep. 26, 2017
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Patent Title: Bottom pinned sot-mram bit structure and method of fabrication Sep. 19, 2017
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Patent Title: Wire bonding electrical lapping guides for tape head module Sep. 19, 2017
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Patent Title: Magnetic writer having convex trailing surface pole and conformal write gap Sep. 19, 2017
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Patent Title: Monodisperse lubricant including multidentate perfluoropolyether structures Sep. 19, 2017
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Patent Title: Method of optimizing device performance by maintaining device within temperature limits Sep. 12, 2017
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Patent Title: Optimizing setup for wireless devices Sep. 12, 2017
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Patent Title: Controlling encrypted data stored on a remote storage device Sep. 12, 2017
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Patent Title: Systems and methods for adaptive read level adjustment Sep. 12, 2017
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Patent Title: Data storage device encoding and interleaving codewords to improve trellis sequence detection Sep. 12, 2017
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Patent Title: Data storage device optimizing spindle motor power when transitioning into a power failure mode Sep. 12, 2017
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Patent Title: Network interface controller emulation Sep. 12, 2017
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Patent Title: High performance system for selective merging of dataframe segments Sep. 12, 2017
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Patent Title: Method for fabricating mram bits on a tight pitch Sep. 05, 2017
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Patent Title: Implementing enhanced performance with read before write to phase change memory Sep. 05, 2017
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Patent Title: Manufacturing method for assembling storage drives Sep. 05, 2017
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Patent Title: Method for afc shields for multiple sensor magnetic transducers and magnetic transducers having multiple sensors and afc shields Sep. 05, 2017
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Patent Title: Magnetic recording write apparatus having a stepped conformal trailing shield Sep. 05, 2017
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Patent Title: Non-volatile semiconductor memory segregating sequential, random, and system data to reduce garbage collection for page based mapping Sep. 05, 2017
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Patent Title: Bus-powered data storage device with warning alarm triggered by improper removal of power from host compute device Sep. 05, 2017
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Patent Title: Non-binary ldpc decoder using binary subgroup processing Aug. 29, 2017
Federal grants, loans, and purchases
Estimated quarterly amount awarded to WDC from public contracts
Recent insights relating to WDC
Recent picks made for WDC stock on CNBC
ETFs with the largest estimated holdings in WDC
- ... Highest Price Target
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- ... Lowest Price Target
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- Is $WDC stock a Buy, Sell, or Hold?
- What is the price target for $WDC stock?
* Analyst consensus is not financial advice. Please see our data disclaimers .
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Shareholder
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- Who owns $WDC stock?
- Who owns the most shares of $WDC stock?
- What funds own $WDC stock?
* These are estimates based on data taken from SEC filings. There may be inaccuracies due to parsing errors, accidental double-counting, incorrect classification of indirectly owned shares, or any other number of issues.
The Quiver Smart Score combines our data on Congress Trading, Lobbying, Insider Trading, CNBC Mentions and more to provide a comprehensive view of the strength of a stock's underlying data.
The Smart Score grades stocks on a scale of 1 (weakest) to 10 (strongest) based on the strength of the underlying data.Sign Up to view WDC Smart Score
See concise summaries of analyst reports, presenting both bullish and bearish arguments for a stock.
Example:
The Bulls Say summary highlights positive aspects of the stock.
The Bears Say summary points out potential risks and negative aspects of the stock.
Western Digital is a leading vertically integrated supplier of hard disk drives. The HDD market is a practical duopoly, with Western Digital and Seagate being the two largest players. Western Digital designs and manufactures its HDDs, with much of the manufacturing and workforce located in Asia. The primary consumers of HDDs are data centers.
- Address San Jose, CA
- Market Cap 75.7 billion
- Employees 40,000
- Industrial Classification Computer Storage Devices