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 2018Appaloosa ManagementBuy5,122,80040,527,800$2,125,278
Q2 2018Greenlight CapitalSell-3,071,500275,500$14,447
Q2 2018Parnassus Endeavor FundBuy1,400,0004,900,000$256,956
Q2 2018Donald Smith & Co.Sell-677,5437,757,905$406,825
Q1 2018Appaloosa ManagementBuy7,905,00035,405,000$1,846,017
Q1 2018Renaissance Technologies LLCSell-6,502,400228,536$11,916
Q1 2018Donald Smith & Co.Sell-2,374,2298,435,448$439,824
Q1 2018Sound Shore ManagementSell-543,2982,535,950$132,224
Q1 2018Parnassus Endeavor FundSell-400,0003,500,000$182,490
Q1 2018Miller Value PartnersBuy200,000200,000$10,428
Q1 2018Greenlight CapitalSell-57,1003,347,000$174,513
Q4 2017Appaloosa ManagementBuy10,446,00127,500,000$1,130,800
Q4 2017Sound Shore ManagementBuy3,079,2483,079,248$126,619
Q4 2017Greenlight CapitalSell-1,617,8003,404,100$139,976
Q4 2017Donald Smith & Co.Sell-1,300,17010,809,677$444,494
Q4 2017Parnassus Endeavor FundSell-1,100,0003,900,000$160,368
Q3 2017Renaissance Technologies LLCBuy5,886,2006,730,936$264,728
Q3 2017Appaloosa ManagementBuy4,153,99917,053,999$670,734
Q3 2017Greenlight CapitalBuy2,371,9005,021,900$197,511
Q3 2017Parnassus Endeavor FundSell-1,775,0005,000,000$196,650
Q3 2017Donald Smith & Co.Sell-1,239,40312,109,847$476,280
Q2 2017Appaloosa ManagementBuy6,210,00012,900,000$385,194
Q2 2017Parnassus Endeavor FundSell-2,495,1936,775,000$202,302
Q2 2017Greenlight CapitalBuy1,050,0002,650,000$79,129
Q2 2017Donald Smith & Co.Sell-432,99413,349,250$398,609
Q1 2017Parnassus Endeavor FundSell-18,977,4299,270,193$266,413
Q1 2017Greenlight CapitalSell-10,771,9801,600,000$46,240
Q1 2017Appaloosa ManagementBuy3,440,0006,690,000$193,341
Q1 2017Donald Smith & Co.Sell-996,77613,782,244$398,307
Q1 2017Atlantic Investment ManagementBuy153,122153,122$4,425

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.

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