MICRON TECHNOLOGY INC (MU) Stock Institutional Trading Activity


MICRON TECHNOLOGY INC (MU) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, Appaloosa Management, Cullen Value Fund, Donald Smith & Co., and Parnassus Endeavor Fund. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q2 2023Sound Shore ManagementSell-36,477821,160$51,823,407
Q2 2023Sequoia FundSell-4,657,0306,981$440,571
Q2 2023Sequoia Financial AdvisorsBuy7,22323,225$1,465,735
Q2 2023Thunderbird PartnersBuy809,153809,153$51,065,646
Q2 2023Appaloosa ManagementBuy825,0001,400,000$88,354,000
Q2 2023Third PointBuy350,0001,550,000$97,636,825
Q2 2023Fairfax Financial HoldingsBuy46,8003,886,649$245,169,819
Q2 2023Viking Global InvestorsBuy1,567,7404,424,339$279,220,034
Q2 2023Parnassus Endeavor FundBuy53,6028,117,286$512,281,920
Q1 2023Lountzis Asset ManagementBuy4,2414,241$256
Q1 2023Donald Smith & Co.Sell-49,725605,306$36,524,164
Q1 2023Yacktman Asset ManagementSell-62,551639,903$38,611,747
Q1 2023Sound Shore ManagementSell-362,060857,637$51,749,816
Q1 2023Renaissance Technologies LLCBuy186,6354,004,667$241,642
Q1 2023Himalaya Capital ManagementSell-4,650,4446,826,079$411,886
Q1 2023Sequoia Financial AdvisorsSell-32616,002$965,557
Q1 2023Third PointBuy1,200,0001,200,000$72,261,960
Q1 2023Dalal StreetSell-268,6781,592,134$96,069,366
Q1 2023Viking Global InvestorsSell-5,502,1092,856,599$172,367,184
Q1 2023Fairfax Financial HoldingsBuy377,8003,839,849$231,658,090
Q1 2023Sequoia FundSell-101,4414,664,011$281,426,424
Q1 2023Parnassus Endeavor FundBuy194,7648,063,684$486,562,692
Q4 2022Donald Smith & Co.Sell-3,139655,031$32,738,449
Q4 2022Yacktman Asset ManagementBuy7,246702,454$35,108,651
Q4 2022Sound Shore ManagementBuy210,0781,219,697$60,960,456
Q4 2022Renaissance Technologies LLCSell-3,649,3043,818,032$190,825
Q4 2022Sequoia Financial AdvisorsBuy2,44316,328$816,051
Q4 2022Dalal StreetBuy37,0001,860,812$93,003,384
Q4 2022Sequoia FundSell-154,9884,765,452$238,177,291
Q4 2022Parnassus Endeavor FundBuy77,1477,868,920$393,288,622

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.