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.
- 1M
- 3M
- 6M
- 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
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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$300,000 Apr 20, 2026 Issue: Taxation/Internal Revenue Code Defense Natural Resources Trade (domestic/foreign)
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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: Electronic device Sep. 09, 2025
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Patent Title: Data storage device Aug. 05, 2025
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Patent Title: Electronic device Jul. 29, 2025
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Patent Title: Data storage device Jul. 29, 2025
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Patent Title: Electronic device Sep. 17, 2024
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Patent Title: Data storage device Mar. 26, 2024
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Patent Title: Data storage device Mar. 26, 2024
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Patent Title: Mtj memory array subgrouping method and related drive circuitry Jun. 12, 2018
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Patent Title: Data storage device using performance margin to back off fly height Jun. 12, 2018
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Patent Title: Data storage device employing upsampling to compensate for high frequency repeatable runout Jun. 12, 2018
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Patent Title: Data storage device employing balanced current drive to unload multiple voice coil motors Jun. 12, 2018
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Patent Title: Magnetic writer having convex trailing surface pole and conformal write gap Jun. 12, 2018
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Patent Title: Asynchronous drive telemetry data notification Jun. 12, 2018
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Patent Title: Memory health monitoring Jun. 12, 2018
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Patent Title: Temperature variation compensation Jun. 12, 2018
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Patent Title: Moveable slider for use in a device assembly process Jun. 12, 2018
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Patent Title: Ruggedized enclosure for data storage device Jun. 12, 2018
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Patent Title: Dual wall input for network attached storage device Jun. 05, 2018
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Patent Title: Texture-control layer for spin torque oscillator Jun. 05, 2018
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Patent Title: System and method for direct memory access in a flash storage Jun. 05, 2018
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Patent Title: System and method for caching solid state device read request results Jun. 05, 2018
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Patent Title: Methods and devices for booting a network attached storage with two logical units Jun. 05, 2018
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Patent Title: System and method for dynamic scaling of ldpc decoder in a solid state drive May. 29, 2018
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Patent Title: Memory die temperature adjustment based on aging condition May. 29, 2018
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Patent Title: Heat assisted magnetic recording write apparatus having an inverse tapered waveguide May. 22, 2018
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Patent Title: Optimized garbage collection algorithm to improve solid state drive reliability May. 22, 2018
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Patent Title: System data management using garbage collection and logs May. 22, 2018
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Patent Title: Data storage system enclosure with decoupled divider May. 22, 2018
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Patent Title: System and method for programming a memory device with multiple writes without an intervening erase May. 15, 2018
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Patent Title: Data storage device with two read elements offset radially by at least one servo track at all radial locations May. 15, 2018
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Patent Title: Data storage device employing smart braking to unload multiple voice coil motors May. 15, 2018
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Patent Title: Method for head stack assembly rework May. 15, 2018
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Patent Title: Data storage device modifying write operation when a laser mode hop is detected May. 15, 2018
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Patent Title: Memory programming providing corruption protection May. 15, 2018
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Patent Title: Incremental background media scan May. 15, 2018
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Patent Title: Self-assembled nanoparticles with polymeric and/or oligomeric ligands May. 08, 2018
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Patent Title: Perpendicular magnetic recording media having an extremely low hk layer May. 08, 2018
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Patent Title: Heat assisted magnetic recording head gimbal assembly and hard disk drive using same May. 08, 2018
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Patent Title: Manufacturing data logging without a network May. 08, 2018
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Patent Title: Task queues May. 08, 2018
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Patent Title: Enhanced queue management for power control of data storage device May. 08, 2018
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Patent Title: Storage drive Oct. 13, 2015
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Patent Title: Storage drive Oct. 13, 2015
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Patent Title: Storage device Oct. 06, 2015
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Patent Title: Data storage device Sep. 01, 2015
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Patent Title: Media player Apr. 21, 2015
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Patent Title: Faceplate for a server Feb. 03, 2015
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Patent Title: Faceplate for a server Dec. 30, 2014
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Patent Title: Electronic device enclosure Jun. 24, 2014
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Patent Title: Packaging sleeve Aug. 10, 2010
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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- 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 167.7 billion
- Employees 40,000
- Industrial Classification Computer Storage Devices
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