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.

Explore more:

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2022Viking Global InvestorsBuy2,944,7938,358,708$417,768,226
Q3 2022Donald Smith & Co.Sell-10658,170$32,974
Q3 2022Yacktman Asset ManagementBuy9,602695,208$34,830
Q3 2022Sound Shore ManagementSell-1,526,3311,009,619$50,582
Q3 2022Sequoia Financial AdvisorsBuy4313,885$696
Q3 2022Aquamarine Zurich AGBuy200,000200,000$10,020
Q3 2022Baupost GroupBuy550,0003,285,974$164,627
Q3 2022Fairfax Financial HoldingsBuy2,768,6493,462,049$173,483
Q3 2022Sequoia FundSell-2,565,6364,920,440$246,514
Q3 2022Viking Global InvestorsBuy3,943,3155,413,915$271,237
Q3 2022Renaissance Technologies LLCBuy3,401,3007,467,336$374,114
Q3 2022Parnassus Endeavor FundBuy53,8737,791,773$390,368
Q2 2022Donald Smith & Co.Buy19,559658,180$36,384
Q2 2022Yacktman Asset ManagementBuy3,231685,606$37,900
Q2 2022Matrix Private Capital GroupSell-364,093$226
Q2 2022Sequoia Financial AdvisorsSell-62413,842$765
Q2 2022Appaloosa ManagementSell-1,525,000575,000$31,786
Q2 2022Fairfax Financial HoldingsBuy3,200693,400$38,387
Q2 2022Viking Global InvestorsSell-1,281,5001,470,600$81,295
Q2 2022Baupost GroupSell-375,0002,735,974$151,245
Q2 2022Sequoia FundSell-219,3337,486,076$413,830
Q2 2022Parnassus Endeavor FundSell-399,3417,737,900$427,751
Q1 2022Donald Smith & Co.Buy91638,621$49,742
Q1 2022Yacktman Asset ManagementSell-3,128682,375$53,150
Q1 2022Matrix Private Capital GroupSell-174,129$322
Q1 2022Sequoia Financial AdvisorsBuy76814,466$1,127
Q1 2022Appaloosa ManagementSell-650,0002,100,000$163,569
Q1 2022Baupost GroupSell-139,4423,110,974$242,314
Q1 2022Sequoia FundSell-72,7287,705,409$600,174
Q1 2022Parnassus Endeavor FundBuy1,353,3178,137,241$633,810

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.