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 2024Sequoia FundSell-1,0002,162$284,368
Q2 2024Sequoia Financial AdvisorsBuy4,75835,039$4,608,628
Q2 2024Fairfax Financial HoldingsSell-655,00040,100$5,273,150
Q2 2024Third PointSell-1,275,000275,000$36,139,125
Q2 2024Appaloosa ManagementSell-40,0001,175,000$154,547,750
Q2 2024Parnassus Endeavor FundSell-2,138,9573,681,474$484,224,275
Q1 2024Donald Smith & Co.Sell-55,916548,602$64,674,690
Q1 2024Yacktman Asset ManagementSell-155,600240,000$28,293,600
Q1 2024Renaissance Technologies LLCSell-243,0001,174,436$138,454
Q1 2024Sequoia Financial AdvisorsSell-13,47230,281$3,569,936
Q1 2024Fairfax Financial HoldingsSell-3,216,549695,100$81,931,437
Q1 2024Parnassus Endeavor FundBuy4,023,9755,820,431$686,170,611
Q4 2023Donald Smith & Co.Sell-488604,518$51,589,566
Q4 2023Yacktman Asset ManagementSell-4,845395,600$33,760,504
Q4 2023Sound Shore ManagementSell-23,6221,096,241$93,553,207
Q4 2023Renaissance Technologies LLCSell-2,587,2311,417,436$120,964
Q4 2023Sequoia FundSell-3,6463,162$269,845
Q4 2023Sequoia Financial AdvisorsBuy19,62143,753$3,733,912
Q4 2023Thunderbird PartnersSell-188,854596,984$50,946,615
Q4 2023Appaloosa ManagementSell-185,0001,215,000$103,688,100
Q3 2023Donald Smith & Co.Buy71605,006$41,158,558
Q3 2023Yacktman Asset ManagementSell-266,726400,445$27,242,273
Q3 2023Sound Shore ManagementBuy298,7031,119,863$76,184,280
Q3 2023Sequoia FundSell-1736,808$463,148
Q3 2023Sequoia Financial AdvisorsBuy90724,132$1,641,675
Q3 2023Thunderbird PartnersSell-23,315785,838$53,460,559
Q3 2023Parnassus Endeavor FundSell-6,320,8301,796,456$122,212,902
Q3 2023Fairfax Financial HoldingsBuy25,0003,911,649$266,109,481
Q2 2023Donald Smith & Co.Sell-371604,935$38,177,448
Q2 2023Yacktman Asset ManagementBuy27,268667,171$42,105,162

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.