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Rafferty Asset Management, LLC: MU position timeline

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

Rafferty Asset Management, LLC held 3,081,122 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 3,081,122 shares
    Change vs previous 13F +785,149 shares

    8.1% of the 13F portfolio, value $3,556,508,313.

    13F-HR 0001999371-26-017909 filed by Rafferty Asset 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 2,295,973 shares
    Change vs previous 13F -412,198 shares

    3.15% of the 13F portfolio, value $775,671,518.

    13F-HR 0001999371-26-010796 filed by Rafferty Asset 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 2,708,171 shares
    Change vs previous 13F -450,873 shares

    2.67% of the 13F portfolio, value $772,939,085.

    13F-HR 0001999371-26-003261 filed by Rafferty Asset 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 3,159,044 shares
    Change vs previous 13F -970,663 shares

    1.71% of the 13F portfolio, value $528,571,242.

    13F-HR 0001999371-25-017439 filed by Rafferty Asset 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 4,129,707 shares
    Change vs previous 13F +1,134,311 shares

    1.68% of the 13F portfolio, value $508,986,388.

    13F-HR 0001999371-25-011302 filed by Rafferty Asset 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 2,995,396 shares
    Change vs previous 13F -428,360 shares

    1.11% of the 13F portfolio, value $260,269,958.

    13F-HR 0001999371-25-006071 filed by Rafferty Asset 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 3,423,756 shares
    Change vs previous 13F -720,302 shares

    1.02% of the 13F portfolio, value $288,143,305.

    13F-HR 0001999371-25-001622 filed by Rafferty Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-09-30
    13F 4,144,058 shares
    Change vs previous 13F not available

    1.47% of the 13F portfolio, value $429,780,255.

    13F-HR 0001999371-24-014625 filed by Rafferty Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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