WESTERN DIGITAL CORP (WDC) Institutional Ownership Changes & 13F Activity

WESTERN DIGITAL CORP (WDC). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Renaissance Technologies LLC, Parnassus Endeavor Fund, Sequoia Financial Advisors, Thunderbird Partners, and Viking Global Investors.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2019Miller Value PartnersBuy7,0957,095$341
Q4 2018First Eagle U.S. ValueSell-848,576110,417$4,082
Q4 2018Renaissance Technologies LLCBuy239,2001,148,400$42,456
Q4 2018Scion Asset ManagementBuy100,000100,000$3,697
Q4 2018Olstein Capital ManagementBuy24,000177,000$6,544
Q3 2018Renaissance Technologies LLCSell-1,471,982909,200$53,225
Q3 2018First Eagle U.S. ValueBuy123,744958,993$56,139
Q3 2018Olstein Capital ManagementBuy46,000153,000$8,957
Q2 2018Appaloosa ManagementBuy599,5001,099,500$85,112
Q2 2018Olstein Capital ManagementBuy21,000107,000$8,283
Q2 2018First Eagle U.S. ValueBuy11,721835,249$64,657
Q1 2018Viking Global InvestorsBuy1,289,1073,002,720$277,061
Q1 2018Appaloosa ManagementSell-100,000500,000$46,135
Q1 2018Olstein Capital ManagementSell-64,00086,000$7,935
Q1 2018Renaissance Technologies LLCSell-50,0002,381,182$219,712
Q1 2018First Eagle U.S. ValueBuy14,000823,528$75,987
Q4 2017Appaloosa ManagementSell-1,975,138600,000$47,718
Q4 2017Renaissance Technologies LLCBuy976,4332,431,182$193,352
Q4 2017First Eagle U.S. ValueBuy389,540809,528$64,382
Q4 2017Olstein Capital ManagementBuy32,000150,000$11,930
Q3 2017Renaissance Technologies LLCBuy1,315,6001,454,749$125,690
Q3 2017First Eagle U.S. ValueBuy359,488419,988$36,287
Q3 2017Olstein Capital ManagementBuy31,500118,000$10,195
Q3 2017Appaloosa ManagementBuy5,1382,575,138$222,492
Q2 2017Appaloosa ManagementBuy1,270,0002,570,000$227,702
Q2 2017Renaissance Technologies LLCBuy134,130139,149$12,329
Q2 2017Olstein Capital ManagementBuy86,50086,500$7,664
Q1 2017Viking Global InvestorsBuy308,5981,713,613$141,424
Q1 2017Appaloosa ManagementBuy180,0001,300,000$107,289
Q4 2016Viking Global InvestorsBuy1,405,0151,405,015$95,471

Frequently asked questions about WDC activity

  • Which institutional owners are buying WDC?

    Institutional owners buying WDC include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in WDC activity?

    "Buy" means an investor increased their reported position in WDC compared to the prior reporting period. This reflects growing exposure to WESTERN DIGITAL CORP (WDC) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in WDC increasing?

    Institutional interest in WDC can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

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