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
Q4 2016Appaloosa ManagementBuy3,250,0003,250,000$71,240
Q4 2016Renaissance Technologies LLCBuy792,436844,736$18,517
Q4 2016Donald Smith & Co.Sell-468,98614,779,020$323,956
Q4 2016Parnassus Endeavor FundBuy189,46628,247,622$619,188
Q3 2016Renaissance Technologies LLCSell-3,930,50052,300$930
Q3 2016Parnassus Endeavor FundBuy133,61328,058,156$498,874
Q3 2016Donald Smith & Co.Sell-1,82615,248,006$271,110
Q2 2016Renaissance Technologies LLCBuy3,750,9003,982,800$54,803
Q2 2016First Eagle U.S. ValueSell-2,475,505205,000$2,821
Q2 2016Parnassus Endeavor FundBuy2,281,43327,924,543$384,242
Q2 2016Arbiter Partners Capital ManagementSell-672,500762,500$10,492
Q2 2016Donald Smith & Co.Buy629,19315,249,832$209,838
Q1 2016Parnassus Endeavor FundBuy23,613,11025,643,110$268,483
Q1 2016Renaissance Technologies LLCSell-915,936231,900$2,428
Q1 2016Donald Smith & Co.Buy498,49314,620,639$153,078
Q1 2016Arbiter Partners Capital ManagementBuy55,0001,435,000$15,024
Q4 2015Parnassus Endeavor FundBuy2,030,0002,030,000$28,745
Q4 2015Donald Smith & Co.Sell-45,86214,122,146$199,970
Q3 2015Greenlight CapitalSell-25,577,56612,371,980$185,332
Q3 2015Baupost GroupSell-18,706,0351,000,000$14,980
Q3 2015Donald Smith & Co.Sell-1,096,62414,168,008$212,237
Q3 2015Arbiter Partners Capital ManagementBuy667,5001,380,000$20,672
Q2 2015Greenlight CapitalBuy4,400,00037,949,546$714,970
Q2 2015Arbiter Partners Capital ManagementBuy712,500712,500$13,424
Q2 2015First Eagle U.S. ValueBuy617,7352,680,505$50,501
Q2 2015Donald Smith & Co.Sell-44,61415,264,632$287,586
Q1 2015Viking Global InvestorsBuy10,982,31631,146,060$844,993
Q1 2015Greenlight CapitalBuy2,293,57633,549,546$910,199
Q1 2015First Eagle U.S. ValueBuy543,7702,062,770$55,963
Q1 2015Donald Smith & Co.Sell-331,34815,309,246$415,340

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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