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FRED ALGER MANAGEMENT, LLC: MU position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of FRED ALGER MANAGEMENT, LLC on MU, newest first. How the timeline and the estimate are built.

FRED ALGER MANAGEMENT, LLC held 267,881 MU shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 267,881 shares
    Change vs previous 13F +157,008 shares

    1.03% of the 13F portfolio, value $309,212,359.

    13F-HR 0001193125-26-352250 filed by FRED ALGER MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F 110,873 shares
    Change vs previous 13F +95,700 shares

    0.16% of the 13F portfolio, value $37,464,093.

    13F-HR 0001193125-26-226659 filed by FRED ALGER MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-12-31
    13F 15,173 shares
    Change vs previous 13F +10,674 shares

    0.02% of the 13F portfolio, value $4,332,370.

    13F-HR 0001193125-26-052991 filed by FRED ALGER MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-09-30
    13F 4,499 shares
    Change vs previous 13F -179,630 shares

    <0.01% of the 13F portfolio, value $752,773.

    13F-HR 0001193125-25-282909 filed by FRED ALGER MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2025-06-30
    13F 184,129 shares
    Change vs previous 13F -167,995 shares

    0.1% of the 13F portfolio, value $22,693,899.

    13F-HR 0000950123-25-008360 filed by FRED ALGER MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2025-03-31
    13F 352,124 shares
    Change vs previous 13F +352,124 shares

    0.17% of the 13F portfolio, value $30,636,282.

    13F-HR 0000950123-25-005777 filed by FRED ALGER MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  7. period ended2024-12-31
    13F 0 shares
    Change vs previous 13F -626,786 shares

    13F-HR 0000950123-25-002764 filed by FRED ALGER MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

    Exited: the 13F for this period no longer lists the position.

  8. period ended2024-09-30
    13F 626,786 shares
    Change vs previous 13F not available

    0.32% of the 13F portfolio, value $65,003,976.

    13F-HR 0000950123-24-011836 filed by FRED ALGER MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).