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 Form 13F filings. 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
Q1 2026Renaissance Technologies LLCSell-848,1572,162,986$730,739,401
Q1 2026Appaloosa ManagementBuy165,0001,665,000$562,503,600
Q1 2026Parnassus Endeavor FundSell-49,432245,378$82,898,504
Q1 2026Situational Awareness PartnersBuy17,36217,362$5,865,578
Q1 2026Sequoia Financial AdvisorsBuy7,89551,394$17,363,021
Q1 2026Mairs & Power Growth FundBuy693693$234,123
Q4 2025Renaissance Technologies LLCBuy1,811,6073,011,143$859,411,122
Q4 2025Appaloosa ManagementBuy1,000,0001,500,000$428,115,000
Q4 2025Parnassus Endeavor FundSell-63,400294,810$84,141,722
Q4 2025Sequoia Financial AdvisorsSell-1,15543,499$12,414,984
Q4 2025Cullen Value FundBuy1,0001,000$345,090
Q3 2025Renaissance Technologies LLCBuy994,5741,199,536$200,706,364
Q3 2025Appaloosa ManagementSell-325,000500,000$83,660,000
Q3 2025Donald Smith & Co.Sell-256,9652,488$416,292
Q3 2025Parnassus Endeavor FundSell-177,650358,210$59,935,697
Q3 2025Aquamarine Zurich AGSell-120,00080,000$13,386
Q3 2025Sequoia Financial AdvisorsBuy1,99944,654$7,471,437
Q2 2025Parnassus Endeavor FundSell-442,232535,860$66,044,745
Q2 2025Appaloosa ManagementBuy425,000825,000$101,681,250
Q2 2025Donald Smith & Co.Sell-100,431259,453$31,977,582
Q2 2025Sequoia Financial AdvisorsBuy2,93542,655$5,257,198
Q1 2025Appaloosa ManagementSell-800,000400,000$34,756,000
Q1 2025Parnassus Endeavor FundSell-79,554978,092$84,986,414
Q1 2025Sequoia Financial AdvisorsBuy1,68039,720$3,451,307
Q1 2025Donald Smith & Co.Sell-318359,884$31,270,321
Q4 2024Renaissance Technologies LLCSell-2,399,952204,962$17,250,659
Q4 2024Appaloosa ManagementBuy150,0001,200,000$100,992,000
Q4 2024Sequoia Financial AdvisorsBuy2,04138,040$3,201,434
Q4 2024Donald Smith & Co.Sell-1,142360,202$30,314,600
Q4 2024Parnassus Endeavor FundBuy3801,057,646$89,011,487

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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