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GAMCO Investors (Gabelli): MX position timeline

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

GAMCO Investors (Gabelli) held 44,175 MX 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 44,175 shares
    Change vs previous 13F -150,102 shares

    <0.01% of the 13F portfolio, value $208,948.

    13F-HR 0001140361-26-032510 filed by GABELLI & Co INVESTMENT ADVISERS, INC.
    Filed (acceptance time not in the bulk data set), ingested

    • GABELLI & Co INVESTMENT ADVISERS, INC.: 22,505 shares
    • GABELLI FUNDS LLC: 21,670 shares

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

  2. period ended2026-03-31
    13F 194,277 shares
    Change vs previous 13F -60,000 shares

    <0.01% of the 13F portfolio, value $543,976.

    13F-HR 0001140361-26-021337 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GABELLI & Co INVESTMENT ADVISERS, INC.: 77,475 shares
    • GABELLI FUNDS LLC: 116,802 shares

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

  3. period ended2025-12-31
    13F 254,277 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $648,407.

    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.: 113,725 shares
    • GABELLI FUNDS LLC: 140,552 shares

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

  4. period ended2025-09-30
    13F 254,277 shares
    Change vs previous 13F 0 shares

    0.01% of the 13F portfolio, value $795,887.

    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.: 113,725 shares
    • GABELLI FUNDS LLC: 140,552 shares

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

  5. period ended2025-06-30
    13F 254,277 shares
    Change vs previous 13F -25,000 shares

    0.01% of the 13F portfolio, value $1,012,023.

    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.: 113,725 shares
    • GABELLI FUNDS LLC: 140,552 shares

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

  6. period ended2025-03-31
    13F 279,277 shares
    Change vs previous 13F -80,800 shares

    0.01% of the 13F portfolio, value $957,920.

    13F-HR 0001140361-25-018974 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.: 113,725 shares
    • GABELLI FUNDS LLC: 165,552 shares

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

  7. period ended2024-12-31
    13F 360,077 shares
    Change vs previous 13F -31,550 shares

    0.01% of the 13F portfolio, value $1,447,510.

    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: 11,350 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 132,795 shares
    • GABELLI FUNDS LLC: 215,932 shares

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

  8. period ended2024-09-30
    13F 391,627 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $1,828,898.

    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: 11,350 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 164,345 shares
    • GABELLI FUNDS LLC: 215,932 shares

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