Skip to content

GAMCO Investors (Gabelli): MU position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GAMCO Investors (Gabelli) on MU, newest first. How the timeline and the estimate are built.

GAMCO Investors (Gabelli) held 50,266 MU shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 50,266 shares
    Change vs previous 13F +28,766 shares

    0.22% of the 13F portfolio, value $58,021,541.

    13F-HR 0001140361-26-032509 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 8,148 shares
    • GABELLI FUNDS LLC: 42,118 shares

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

  2. period ended2026-03-31
    13F 21,500 shares
    Change vs previous 13F +2,000 shares

    0.05% of the 13F portfolio, value $7,263,560.

    13F-HR 0001140361-26-021337 filed by GABELLI FUNDS 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 19,500 shares
    Change vs previous 13F -3,800 shares

    0.04% of the 13F portfolio, value $5,565,495.

    13F-HR 0001140361-26-003893 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GABELLI & Co INVESTMENT ADVISERS, INC.: 0 shares
    • GABELLI FUNDS LLC: 19,500 shares

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

  4. period ended2025-09-30
    13F 23,300 shares
    Change vs previous 13F -2,300 shares

    0.03% of the 13F portfolio, value $3,898,556.

    13F-HR 0001140361-25-041671 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GABELLI & Co INVESTMENT ADVISERS, INC.: 3,800 shares
    • GABELLI FUNDS LLC: 19,500 shares

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

  5. period ended2025-06-30
    13F 25,600 shares
    Change vs previous 13F +300 shares

    0.02% of the 13F portfolio, value $3,155,200.

    13F-HR 0001140361-25-030816 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GABELLI & Co INVESTMENT ADVISERS, INC.: 3,800 shares
    • GABELLI FUNDS LLC: 21,800 shares

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

  6. period ended2025-03-31
    13F 25,300 shares
    Change vs previous 13F -725 shares

    0.02% of the 13F portfolio, value $2,198,317.

    13F-HR 0001140361-25-018974 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GABELLI & Co INVESTMENT ADVISERS, INC.: 3,800 shares
    • GABELLI FUNDS LLC: 21,500 shares

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

  7. period ended2024-12-31
    13F 26,025 shares
    Change vs previous 13F -4,008 shares

    0.02% of the 13F portfolio, value $2,190,264.

    13F-HR 0001140361-25-004328 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 0 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 3,800 shares
    • GABELLI FUNDS LLC: 22,225 shares

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

  8. period ended2024-09-30
    13F 30,033 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $3,114,722.

    13F-HR 0001140361-24-046503 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 3,013 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 3,800 shares
    • GABELLI FUNDS LLC: 23,220 shares

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