Skip to content
Disclosery

GAMCO Investors (Gabelli): GTX position timeline

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

GAMCO Investors (Gabelli) held 2,522,339 GTX 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 2,522,339 shares
    Change vs previous 13F -327,839 shares

    0.34% of the 13F portfolio, value $91,384,342.

    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: 1,707,035 shares
    • GABELLI FUNDS LLC: 815,304 shares

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

  2. period ended2026-03-31
    13F 2,850,178 shares
    Change vs previous 13F -219,154 shares

    0.21% of the 13F portfolio, value $51,787,735.

    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: 1,952,874 shares
    • GABELLI FUNDS LLC: 897,304 shares

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

  3. period ended2025-12-31
    13F 3,069,332 shares
    Change vs previous 13F -51,496 shares

    0.21% of the 13F portfolio, value $53,498,457.

    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: 2,045,828 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 0 shares
    • GABELLI FUNDS LLC: 1,023,504 shares

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

  4. period ended2025-09-30
    13F 3,120,828 shares
    Change vs previous 13F -169,711 shares

    0.17% of the 13F portfolio, value $42,505,678.

    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: 1,997,509 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 34,782 shares
    • GABELLI FUNDS LLC: 1,088,537 shares

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

  5. period ended2025-06-30
    13F 3,290,539 shares
    Change vs previous 13F -210,966 shares

    0.14% of the 13F portfolio, value $34,583,565.

    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: 2,128,120 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 52,082 shares
    • GABELLI FUNDS LLC: 1,110,337 shares

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

  6. period ended2025-03-31
    13F 3,501,505 shares
    Change vs previous 13F -103,690 shares

    0.13% of the 13F portfolio, value $29,307,597.

    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: 2,147,537 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 155,432 shares
    • GABELLI FUNDS LLC: 1,198,536 shares

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

  7. period ended2024-12-31
    13F 3,605,195 shares
    Change vs previous 13F +234,916 shares

    0.14% of the 13F portfolio, value $32,554,911.

    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: 2,163,439 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 196,400 shares
    • GABELLI FUNDS LLC: 1,245,356 shares

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

  8. period ended2024-09-30
    13F 3,370,279 shares
    Change vs previous 13F not available

    0.11% of the 13F portfolio, value $27,568,882.

    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: 2,032,566 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 159,550 shares
    • GABELLI FUNDS LLC: 1,178,163 shares

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