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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- 6M
- YTD
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- 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
Learn More about Alpha -
Annual Standard Deviation
Measures how much the portfolio's total return varies from its mean or average.
Learn More about Annual Standard Deviation -
Annual Volatility
A statistical measure of the dispersion of returns for the portfolio.
Learn More about Annual Volatility -
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.
Learn More about Beta -
CAGR
CAGR (Compounded Annual Growth Rate), is the historical annualized rate of return for an investment strategy, throughout the backtest period.
Learn More about CAGR -
Information Ratio
A measurement of portfolio returns beyond the returns of its benchmark compared to the volatility of those returns.
Learn More about Information Ratio -
Max Drawdown
the maximum observed loss from a peak to a trough of a portfolio, before a new peak is attained.
Learn More about Max Drawdown -
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.
Learn More about Sharpe Ratio -
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.
Learn More about Treynor Ratio -
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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$140,000 Jan 20, 2026 Issue: Taxation/Internal Revenue Code Defense
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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: Symmetric and continuous media stream from multiple sources Apr. 10, 2018
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Patent Title: Methods and systems for configuring and updating session-based quality of service for multimedia traffic in a local area network Apr. 10, 2018
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Patent Title: Data storage device conditioning write abort based on secondary read signal Apr. 10, 2018
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Patent Title: Magnetic media with atom implanted magnetic layer Apr. 10, 2018
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Patent Title: Data storage device employing delayed braking to unload multiple voice coil motors Apr. 10, 2018
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Patent Title: Apparatus and method for reducing corrosion in capping layer of magnetic recording reader Apr. 10, 2018
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Patent Title: Tunnel magnetoresistance magnetic sensor with scissor sensor and multi-seed layer configuration Apr. 10, 2018
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Patent Title: Pmr writer with non-conformal side gaps Apr. 10, 2018
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Patent Title: Methods for improving adhesion on dielectric substrates Apr. 10, 2018
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Patent Title: Zoning of logical to physical data address translation tables with parallelized log list replay Apr. 10, 2018
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Patent Title: Method and data storage device with enhanced data retention Apr. 10, 2018
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Patent Title: System and method for controlling various aspects of pcie direct attached nonvolatile memory storage subsystems Apr. 10, 2018
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Patent Title: Flexure back-flow stopper Apr. 10, 2018
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Patent Title: Devices and methods configured to control network access time Apr. 03, 2018
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Patent Title: Verification of storage media upon deployment Apr. 03, 2018
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Patent Title: Mitigation of laser power variation induced phase shift in heat assisted magnetic recording systems Apr. 03, 2018
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Patent Title: Methods for controlling stray fields of magnetic features using magneto-elastic anisotropy Apr. 03, 2018
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Patent Title: Magnetic recording medium with multiple exchange coupling layers and small grain magnetic layers Apr. 03, 2018
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Patent Title: Data storage device attenuating multiple actuator coupling disturbance Apr. 03, 2018
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Patent Title: Writer having a recessed trailing shield and nonmagnetic refill Apr. 03, 2018
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Patent Title: Method and apparatus for updating a system on chip (soc) image from a host computer system without using dma Apr. 03, 2018
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Patent Title: Power safe write buffer for data storage device Apr. 03, 2018
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Patent Title: Automatic power disconnect method Mar. 27, 2018
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Patent Title: Nano-imprinted self-aligned multi-level processing method Mar. 27, 2018
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Patent Title: Nano-particle matrix for 3d nvm rram Mar. 27, 2018
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Patent Title: Block erase schemes for cross-point non-volatile memory devices Mar. 27, 2018
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Patent Title: Object storage monitoring Mar. 27, 2018
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Patent Title: Trim management in solid state drives Mar. 27, 2018
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Patent Title: Data storage device state detection on power loss Mar. 20, 2018
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Patent Title: Protection against state transition errors in solid-state data storage systems Mar. 20, 2018
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Patent Title: Data storage device gradually decreasing laser power after write operation Mar. 20, 2018
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Patent Title: Dual free layer magnetic reader having a rear bias structure having a high aspect ratio Mar. 20, 2018
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Patent Title: Generation of random address mapping in non-volatile memories using local and global interleaving Mar. 20, 2018
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Patent Title: Enhanced low overhead data protection in data storage drives Mar. 20, 2018
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Patent Title: Double-barrier vacuum seal for sealed data storage system Mar. 13, 2018
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Patent Title: Inventory management system using incremental capacity formats Mar. 13, 2018
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Patent Title: Cloud storage brokering service Mar. 06, 2018
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Patent Title: Hamming distance based binary representations of numbers Mar. 06, 2018
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Patent Title: Overlapping write schemes for cross-point non-volatile memory devices Mar. 06, 2018
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Patent Title: Magnetic tunnel junction (mtj) free layer damping reduction Mar. 06, 2018
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Patent Title: Communications device that logically connects an upstream signal line to a downstream signal line Mar. 06, 2018
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Patent Title: Overvoltage detection circuit for detecting an overvoltage spike from an external power supply Mar. 06, 2018
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Patent Title: Disk drive tolerance ring with edge rounding from opposite major faces Mar. 06, 2018
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Patent Title: Read level grouping algorithms for increased flash performance Feb. 27, 2018
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Patent Title: Content-aware filter options for media object collections Feb. 27, 2018
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Patent Title: Systems and devices for achieving high throughput attachment and sub-micron alignment of components Feb. 27, 2018
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Patent Title: Power control module using protection circuit for regulating backup voltage to power load during power fault Feb. 20, 2018
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Patent Title: Implementing deposition growth method for magnetic memory Feb. 20, 2018
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Patent Title: Magnetic write head having recessed trailing shield and trailing return pole Feb. 20, 2018
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Patent Title: Head stack flex assembly and base assembly for storage drive and method of assembly Feb. 20, 2018
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
- ... Median Price Target
- ... Lowest Price Target
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Analyst
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Current
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Previous
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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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Shares Held
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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 84.8 billion
- Employees 40,000
- Industrial Classification Computer Storage Devices