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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- 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
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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 Apr 22, 2024 Issue: Trade (domestic/foreign)
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$20,000 Apr 22, 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: Burst writing for clearance calibration in a heat assisted magnetic data recording system Jan. 30, 2018
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Patent Title: Disk drive head suspension tail with a noble metal layer disposed on a plurality of structural backing islands Jan. 30, 2018
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Patent Title: Within-row wedge angle control for magnetic recording read-write heads Jan. 30, 2018
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Patent Title: Method for providing a near-field transducer (nft) for a heat assisted magnetic recording (hamr) device Jan. 30, 2018
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Patent Title: System and method for copy on write on an ssd Jan. 30, 2018
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Patent Title: Memory die temperature adjustment based on a power condition Jan. 30, 2018
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Patent Title: Thermal management for solid-state drive Jan. 30, 2018
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Patent Title: Cold storage server with heat dissipation Jan. 23, 2018
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Patent Title: Thermal management of selector Jan. 23, 2018
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Patent Title: Memory die temperature adjustment based on aging condition Jan. 23, 2018
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Patent Title: Check-pointing of metadata Jan. 23, 2018
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Patent Title: Scheduling scheme(s) for a multi-die storage device Jan. 23, 2018
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Patent Title: Data retention management for data storage device Jan. 23, 2018
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Patent Title: System and method for performing data retention in solid-state memory using an lru list Jan. 23, 2018
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Patent Title: Optimized n-stream sequential media playback caching method and system Jan. 16, 2018
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Patent Title: Hermetic sealing with high-speed transmission for hard disk drive Jan. 16, 2018
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Patent Title: Retractable guide features for data storage device carriers Jan. 16, 2018
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Patent Title: Adhesive cover seal for hermetically-sealed data storage device Jan. 16, 2018
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Patent Title: Method of adjusting tilt using magnetic erase width feedback Jan. 16, 2018
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Patent Title: Power loss mitigation for data storage device Jan. 16, 2018
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Patent Title: Managing and accessing data storage systems Jan. 09, 2018
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Patent Title: Tape array electrical lapping guide design for small stripe tmr sensor Jan. 09, 2018
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Patent Title: Fabrication process for slider with extended three-dimensional air-bearing surface Jan. 09, 2018
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Patent Title: Search of nas data through association of errors Jan. 09, 2018
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Patent Title: Host compatibility for host managed storage media Jan. 09, 2018
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Patent Title: Magnetic recording head test fixture for heat assisted magnetic recording head Jan. 02, 2018
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Patent Title: Microwave assisted magnetic recording head having spin torque oscillator frequency detection Jan. 02, 2018
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Patent Title: Method for providing a multilayer afm layer in a read sensor Jan. 02, 2018
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Patent Title: Data retention charge loss sensor Jan. 02, 2018
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Patent Title: Data storage device and method providing non-volatile memory buffer for real-time primary non-volatile memory protection Jan. 02, 2018
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Patent Title: Tilted synthetic antiferromagnet polarizer/reference layer for stt-mram bits Dec. 26, 2017
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Patent Title: Hermetically-sealed hard disk drive cover perimeter adhesive seal Dec. 26, 2017
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Patent Title: Near field transducer having an adhesion layer coupled thereto Dec. 26, 2017
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Patent Title: Transfer of object memory references in a data storage device Dec. 26, 2017
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Patent Title: Disaster recovery—multiple restore options and automatic management of restored computing devices Dec. 19, 2017
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Patent Title: Data storage device having improved read failure tolerance Dec. 12, 2017
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Patent Title: Electronic system with head management mechanism and method of operation thereof Dec. 12, 2017
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Patent Title: Magnetic reader having a nonmagnetic insertion layer for the pinning layer Dec. 12, 2017
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Patent Title: Wear leveling in storage devices Dec. 12, 2017
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Patent Title: Declustered array of storage devices with chunk groups and support for multiple erasure schemes Dec. 12, 2017
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Patent Title: Encoder supporting multiple code rates and code lengths Dec. 05, 2017
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Patent Title: Spin-orbit torque bit design for improved switching efficiency Dec. 05, 2017
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Patent Title: Dual ots memory cell selection means and method Dec. 05, 2017
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Patent Title: Selecting reversible resistance memory cells based on initial resistance switching Dec. 05, 2017
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Patent Title: Two-dimensional magnetic recording (tdmr) disk drive with multiple sensors and circuitry for selection of an active pair of associated amplifiers Dec. 05, 2017
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Patent Title: Bridge configuration in computing devices Dec. 05, 2017
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Patent Title: Joint decoding of rewriting nvm error sectors Dec. 05, 2017
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Patent Title: Data storage device and method for using secondary non-volatile memory for temporary metadata storage Dec. 05, 2017
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Patent Title: Real time protocol generation Dec. 05, 2017
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Patent Title: Method and system for attachment of a heat sink to a circuit board Dec. 05, 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
- ... 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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- 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 47.6 billion
- Employees 40,000
- Industrial Classification Computer Storage Devices