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GAMCO Investors (Gabelli): COO position timeline

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

GAMCO Investors (Gabelli) held 107,800 COO 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 107,800 shares
    Change vs previous 13F -7,400 shares

    0.03% of the 13F portfolio, value $7,730,338.

    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: 44,000 shares
    • GABELLI FUNDS LLC: 63,800 shares

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

  2. period ended2026-03-31
    13F 115,200 shares
    Change vs previous 13F -40,200 shares

    0.03% of the 13F portfolio, value $8,236,800.

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

    • GAMCO INVESTORS, INC. ET AL: 44,000 shares
    • GABELLI FUNDS LLC: 71,200 shares

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

  3. period ended2025-12-31
    13F 155,400 shares
    Change vs previous 13F -1,600 shares

    0.05% of the 13F portfolio, value $12,736,584.

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

    • GAMCO INVESTORS, INC. ET AL: 44,000 shares
    • GABELLI FUNDS LLC: 111,400 shares

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

  4. period ended2025-09-30
    13F 157,000 shares
    Change vs previous 13F +2,000 shares

    0.04% of the 13F portfolio, value $10,763,920.

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

    • GAMCO INVESTORS, INC. ET AL: 44,000 shares
    • GABELLI FUNDS LLC: 113,000 shares

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

  5. period ended2025-06-30
    13F 155,000 shares
    Change vs previous 13F 0 shares

    0.05% of the 13F portfolio, value $11,029,800.

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

    • GAMCO INVESTORS, INC. ET AL: 44,000 shares
    • GABELLI FUNDS LLC: 111,000 shares

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

  6. period ended2025-03-31
    13F 155,000 shares
    Change vs previous 13F 0 shares

    0.06% of the 13F portfolio, value $13,074,250.

    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: 44,000 shares
    • GABELLI FUNDS LLC: 111,000 shares

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

  7. period ended2024-12-31
    13F 155,000 shares
    Change vs previous 13F 0 shares

    0.06% of the 13F portfolio, value $14,249,150.

    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: 44,000 shares
    • GABELLI FUNDS LLC: 111,000 shares

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

  8. period ended2024-09-30
    13F 155,000 shares
    Change vs previous 13F not available

    0.07% of the 13F portfolio, value $17,102,700.

    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: 44,000 shares
    • GABELLI FUNDS LLC: 111,000 shares

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