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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$290,000 Jul 20, 2026 Issue: Taxation/Internal Revenue Code Natural Resources Government Issues
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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)
Former government officials who have lobbied for WDC
34 former government officials from 22 congressional offices at 8 lobbying firms have lobbied for WDC, most recently Apr 21, 2026.
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Joshua Romero House New White House Liaison- State Dept (4/24 - 1/25); White House Liaison/Special Advisor- U.S. Peace Corps (10/22 - 4/24); Congrl Approps Liaison- U.S. Air Force (Assist Sec Fin. Management & Comptroller (1/22 - 10/22)
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Jeffrey Strunk House New Deputy Floor Director, Speaker John Boehner (2010-2013); Floor Assistant, House Speaker John Boehner (2007-2010); Legislative Assistant, Rep. John Boehner (2006 -2010); Staff Member, Rep. Pat Tiberi (2004-2006) -
Rachel Miller Senate New Legislative Assistant, Sen. Dianne Feinstein (2003-2007) -
Kristina Dunklin House New Legislative Director, Rep. Susan Brooks (2018-2019); Legislative Director, Rep. David Valadao (2015-2018); Legislative Assistant, Rep. David Valadao (2014-2015) -
Tori Smith Senate New Policy Advisor, Sen. Marsha Blackburn (2023-2025) -
Jon Gans Congress New Dpty CoS & Policy Dir-Sen.Kyl/GOP Whip Ofc; Policy Cnsl-Sen Kyl/GOP Whip Ofc; Dpty Assoc Dir (Senate), OMB, Leg. Aff; Policy Cnsl/Analyst-Sen Kyl/Sen Rep Plcy Cmte; Leg.Cnsl, Rep Frelinghuysen; Law Clerk-DoT Amtrak Reform Cnsl; Intern-Rep Hefley.
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Porter Byers Senate New Constituent Visitor Assistant, Senator Richard Burr (NC) 2012. -
Erskine Wells Senate Dep COS Sen. Wicker; COS Rep. Palazzo; Leg Asst Sen Wicker; Intern Sen. Cochran
WDC Estimated quarterly lobbying spending
WDC Revenue by Segment or Geography
New WDC patent grants
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Patent Title: Data storage device comprising dual channel preamp circuit Apr. 21, 2026
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Patent Title: Storage device Feb. 07, 2023
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Patent Title: Data storage device Sep. 20, 2022
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Patent Title: Storage device Apr. 19, 2022
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Patent Title: Actuator limiters for multiple disk-stack, shared actuator hard disk drive Jul. 11, 2017
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Patent Title: Flex-hga connector assembly for hard disk drive Jul. 11, 2017
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Patent Title: Storage management in hybrid drives Jul. 11, 2017
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Patent Title: Insertion/ejection assist mechanism for removable storage cartridge system Jul. 11, 2017
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Patent Title: Shroud for an electronic device Jul. 04, 2017
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Patent Title: Extending high power delivery to an incompatible device by emulating a compatible device Jul. 04, 2017
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Patent Title: Heat assisted magnetic recording write apparatus having an inverse tapered waveguide Jul. 04, 2017
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Patent Title: Hybrid solid state drive (ssd) using pcm or other high performance solid-state memory Jul. 04, 2017
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Patent Title: Feedthrough connector for hermetically sealed electronic devices Jun. 27, 2017
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Patent Title: Slider air-bearing surface designs with efficiency-flattening hole Jun. 27, 2017
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Patent Title: Microwave assisted magnetic recording head with trailing shield heat sink Jun. 27, 2017
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Patent Title: Indirection data structures to manage file system metadata Jun. 27, 2017
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Patent Title: Lifetime extension of memory for data storage system Jun. 27, 2017
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Patent Title: Salvaging event trace information in power loss interruption scenarios Jun. 27, 2017
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Patent Title: Bonding tool and method for high accuracy chip-to-chip bonding Jun. 20, 2017
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Patent Title: Data deduplication using chunk files Jun. 20, 2017
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Patent Title: System and method for dynamically adjusting garbage collection policies in solid-state memory Jun. 13, 2017
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Patent Title: Methods and systems for memory page allocation Jun. 13, 2017
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Patent Title: Implementing magnetic memory pillar design Jun. 06, 2017
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Patent Title: Temperature compensation management in solid-state memory Jun. 06, 2017
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Patent Title: Sealed bulkhead electrical feed-through x-y positioning control Jun. 06, 2017
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Patent Title: Micrometer scale components Jun. 06, 2017
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Patent Title: Sto bias control for mamr head reliability Jun. 06, 2017
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Patent Title: Integration of downstream ports in a multiple interface device Jun. 06, 2017
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Patent Title: Data protection for a data storage device Jun. 06, 2017
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Patent Title: Tiered sub-unit throughputs in mass storage assemblies Jun. 06, 2017
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Patent Title: Temperature management in data storage devices May. 30, 2017
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Patent Title: Free layer magnetic reader that may have a reduced shield-to-shield spacing May. 30, 2017
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Patent Title: Self-encrypting data storage device supporting object-level encryption May. 30, 2017
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Patent Title: Disk drive spindle with fluid journal bearing having increased radial clearance in axial end regions May. 30, 2017
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Patent Title: Correlating physical page addresses for soft decision decoding May. 23, 2017
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Patent Title: Free-standing reflector usable in heat assisted magnetic recording technology May. 23, 2017
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Patent Title: Magnetic head having a reader overcoat with dlc and a recessed writer overcoat without dlc May. 23, 2017
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Patent Title: System and method for reducing contentions in solid-state memory access May. 16, 2017
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Patent Title: Doorbell-less protocol for solid state drive interface May. 16, 2017
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Patent Title: Fifo buffer clean-up May. 16, 2017
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Patent Title: Host read command return reordering based on time estimation of flash read command completion May. 16, 2017
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Patent Title: Heat assisted magnetic recording writer having integrated polarization rotation waveguides May. 09, 2017
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Patent Title: Devices and methods configured for automated duplication of network shared folders May. 09, 2017
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Patent Title: Performance acceleration during shutdown of a data storage device May. 09, 2017
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Patent Title: Identification of data committed to non-volatile memory by use of notification commands May. 09, 2017
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Patent Title: Adjustment of compression ratios for data storage May. 02, 2017
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Patent Title: Jumper assembly May. 02, 2017
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Patent Title: Write command reporting May. 02, 2017
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Patent Title: Clamp cup to secure electrical connectors having first and second mating structures Apr. 25, 2017
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Patent Title: Magnetic head suspension assembly fabricated with integral load beam and flexure Jun. 29, 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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- 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 124.3 billion
- Employees 40,000
- Industrial Classification Computer Storage Devices
Western Digital Corp. (WDC) Historical Stock Prices
Daily open, high, low, close, adjusted close and volume for Western Digital Corp. (WDC).
Quiver Premium charts WDC's full daily history since 2014 with each congressional purchase and sale and every open-market insider purchase marked on the price line, with hover details for each trade.
Upgrade to Premium| Date | Open | High | Low | Close | Adj. Close | Volume |
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Open, high, low and close are the prices as traded. Adjusted close accounts for splits and dividends, and is what the chart and returns use. Where a company changed its ticker, its history under the old symbol is included.
The Quiver API serves daily prices back to 2014 alongside congressional trades, insider trades, 13F holdings and lobbying, all under one key and inside Claude or ChatGPT through our MCP server.
Explore the Quiver APIWe estimate that -- received a compensation of -- in --, making them the highest paid executive at WDC, per a recent SEC DEF 14A filing. We estimate that the median employee at WESTERN DIGITAL CORP is paid $11,787.
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