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GAMCO Investors (Gabelli): CCO position timeline

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

GAMCO Investors (Gabelli) held 12,497,391 CCO 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 12,497,391 shares
    Change vs previous 13F -1,440,891 shares

    0.11% of the 13F portfolio, value $30,243,687.

    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: 8,737,774 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 760,280 shares
    • GABELLI FUNDS LLC: 2,999,337 shares

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

  2. period ended2026-03-31
    13F 13,938,282 shares
    Change vs previous 13F +2,337,907 shares

    0.13% of the 13F portfolio, value $33,033,729.

    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: 9,085,775 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 760,280 shares
    • GABELLI FUNDS LLC: 4,092,227 shares

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

  3. period ended2025-12-31
    13F 11,600,375 shares
    Change vs previous 13F +945,500 shares

    0.1% of the 13F portfolio, value $25,636,829.

    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: 8,126,375 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 55,000 shares
    • GABELLI FUNDS LLC: 3,419,000 shares

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

  4. period ended2025-09-30
    13F 10,654,875 shares
    Change vs previous 13F +567,700 shares

    0.07% of the 13F portfolio, value $16,834,703.

    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: 7,349,875 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 55,000 shares
    • GABELLI FUNDS LLC: 3,250,000 shares

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

  5. period ended2025-06-30
    13F 10,087,175 shares
    Change vs previous 13F +923,225 shares

    0.05% of the 13F portfolio, value $11,801,995.

    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: 6,992,175 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 55,000 shares
    • GABELLI FUNDS LLC: 3,040,000 shares

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

  6. period ended2025-03-31
    13F 9,163,950 shares
    Change vs previous 13F +459,026 shares

    0.04% of the 13F portfolio, value $10,171,985.

    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: 6,023,950 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 55,000 shares
    • GABELLI FUNDS LLC: 3,085,000 shares

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

  7. period ended2024-12-31
    13F 8,704,924 shares
    Change vs previous 13F +334,424 shares

    0.05% of the 13F portfolio, value $11,925,746.

    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: 5,636,000 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 55,000 shares
    • GABELLI FUNDS LLC: 3,013,924 shares

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

  8. period ended2024-09-30
    13F 8,370,500 shares
    Change vs previous 13F not available

    0.06% of the 13F portfolio, value $13,392,800.

    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: 5,230,500 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 55,000 shares
    • GABELLI FUNDS LLC: 3,085,000 shares

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