MICRON TECHNOLOGY INC (MU) Institutional Ownership Changes & 13F Activity

MICRON TECHNOLOGY INC (MU) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Renaissance Technologies LLC, Appaloosa Management, Parnassus Endeavor Fund, Situational Awareness Partners, and Sequoia Financial Advisors.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q2 2020Parnassus Endeavor FundBuy7,249,59613,649,596$703,227
Q2 2020Viking Global InvestorsSell-3,318,9243,392,745$174,794
Q2 2020Appaloosa ManagementBuy490,0009,350,000$481,712
Q2 2020Donald Smith & Co.Sell-197,7981,672,164$86,150
Q2 2020Renaissance Technologies LLCSell-55,800593,736$30,589
Q2 2020Dalal StreetBuy16,0491,820,248$93,779
Q2 2020Yacktman Asset ManagementSell-4,250448,357$23,099
Q2 2020Matrix Private Capital GroupSell-1,5344,517$233
Q1 2020Renaissance Technologies LLCSell-5,104,962649,536$27,319
Q1 2020Himalaya Capital ManagementBuy2,095,0009,909,423$416,790
Q1 2020Appaloosa ManagementBuy760,0008,860,000$372,652
Q1 2020Fairfax Financial HoldingsBuy375,000700,000$29,442
Q1 2020Viking Global InvestorsBuy280,5026,711,669$282,293
Q1 2020Donald Smith & Co.Sell-126,8971,869,962$78,651
Q1 2020Yacktman Asset ManagementSell-37,180452,607$19,037
Q1 2020Dalal StreetSell-23,8771,804,199$75,885
Q4 2019Himalaya Capital ManagementBuy7,814,4237,814,423$420,260
Q4 2019Renaissance Technologies LLCSell-6,798,6285,754,498$309,477
Q4 2019Appaloosa ManagementBuy2,100,0008,100,000$435,618
Q4 2019Donald Smith & Co.Sell-305,7751,996,859$107,391
Q4 2019Dalal StreetBuy34,1411,828,076$98,314
Q4 2019Yacktman Asset ManagementSell-13,851489,787$26,341
Q4 2019Matrix Private Capital GroupBuy6,0516,051$325
Q4 2019Miller Value PartnersBuy1,3201,631,500$87,742
Q3 2019Appaloosa ManagementBuy5,100,0006,000,000$257,100
Q3 2019Renaissance Technologies LLCBuy2,817,21212,553,126$537,901
Q3 2019Donald Smith & Co.Sell-2,083,0442,302,634$98,668
Q3 2019Miller Value PartnersSell-254,8351,630,180$69,853
Q3 2019Aquamarine CapitalBuy120,000120,000$5,142
Q3 2019Fairfax Financial HoldingsBuy27,000325,000$13,923

Frequently asked questions about MU activity

  • Which institutional owners are buying MU?

    Institutional owners buying MU 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 MU activity?

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

  • Is institutional interest in MU increasing?

    Institutional interest in MU 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.