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GAMCO Investors (Gabelli): AMCX position timeline

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

GAMCO Investors (Gabelli) held 677,214 AMCX 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 677,214 shares
    Change vs previous 13F -2,468 shares

    0.03% of the 13F portfolio, value $6,758,596.

    13F-HR 0001140361-26-032508 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 549,714 shares
    • GABELLI FUNDS LLC: 127,500 shares

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

  2. period ended2026-03-31
    13F 679,682 shares
    Change vs previous 13F -22,481 shares

    0.02% of the 13F portfolio, value $4,615,041.

    13F-HR 0001140361-26-021334 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 552,182 shares
    • GABELLI FUNDS LLC: 127,500 shares

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

  3. period ended2025-12-31
    13F 702,163 shares
    Change vs previous 13F -759 shares

    0.03% of the 13F portfolio, value $6,684,592.

    13F-HR 0001140361-26-003895 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 577,663 shares
    • GABELLI FUNDS LLC: 124,500 shares

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

  4. period ended2025-09-30
    13F 702,922 shares
    Change vs previous 13F +23,869 shares

    0.02% of the 13F portfolio, value $5,792,077.

    13F-HR 0001140361-25-041670 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 578,422 shares
    • GABELLI FUNDS LLC: 124,500 shares

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

  5. period ended2025-06-30
    13F 679,053 shares
    Change vs previous 13F +37,885 shares

    0.02% of the 13F portfolio, value $4,257,662.

    13F-HR 0001140361-25-030814 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 544,553 shares
    • GABELLI FUNDS LLC: 134,500 shares

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

  6. period ended2025-03-31
    13F 641,168 shares
    Change vs previous 13F +77,688 shares

    0.02% of the 13F portfolio, value $4,411,236.

    13F-HR 0001140361-25-018975 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 505,168 shares
    • GABELLI FUNDS LLC: 136,000 shares

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

  7. period ended2024-12-31
    13F 563,480 shares
    Change vs previous 13F +395 shares

    0.02% of the 13F portfolio, value $5,578,452.

    13F-HR 0001140361-25-004330 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 429,680 shares
    • GABELLI FUNDS LLC: 133,800 shares

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

  8. period ended2024-09-30
    13F 563,085 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $4,893,209.

    13F-HR 0001140361-24-046738 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 430,785 shares
    • GABELLI FUNDS LLC: 132,300 shares

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