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GAMCO Investors (Gabelli): SHAK position timeline

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

GAMCO Investors (Gabelli) held 18,397 SHAK 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 18,397 shares
    Change vs previous 13F +6,654 shares

    <0.01% of the 13F portfolio, value $1,030,600.

    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: 10,897 shares
    • GABELLI FUNDS LLC: 7,500 shares

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

  2. period ended2026-03-31
    13F 11,743 shares
    Change vs previous 13F +426 shares

    <0.01% of the 13F portfolio, value $1,038,903.

    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: 6,743 shares
    • GABELLI FUNDS LLC: 5,000 shares

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

  3. period ended2025-12-31
    13F 11,317 shares
    Change vs previous 13F -2,479 shares

    <0.01% of the 13F portfolio, value $918,601.

    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: 6,317 shares
    • GABELLI FUNDS LLC: 5,000 shares

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

  4. period ended2025-09-30
    13F 13,796 shares
    Change vs previous 13F +122 shares

    0.01% of the 13F portfolio, value $1,291,444.

    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: 8,796 shares
    • GABELLI FUNDS LLC: 5,000 shares

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

  5. period ended2025-06-30
    13F 13,674 shares
    Change vs previous 13F -1,490 shares

    0.01% of the 13F portfolio, value $1,922,564.

    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: 8,174 shares
    • GABELLI FUNDS LLC: 5,500 shares

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

  6. period ended2025-03-31
    13F 15,164 shares
    Change vs previous 13F -25 shares

    0.01% of the 13F portfolio, value $1,337,010.

    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: 9,164 shares
    • GABELLI FUNDS LLC: 6,000 shares

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

  7. period ended2024-12-31
    13F 15,189 shares
    Change vs previous 13F -2,589 shares

    0.01% of the 13F portfolio, value $1,971,532.

    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: 9,189 shares
    • GABELLI FUNDS LLC: 6,000 shares

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

  8. period ended2024-09-30
    13F 17,778 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $1,834,868.

    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: 10,528 shares
    • GABELLI FUNDS LLC: 7,250 shares

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