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GAMCO Investors (Gabelli): GNTX position timeline

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

GAMCO Investors (Gabelli) held 359,000 GNTX 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 359,000 shares
    Change vs previous 13F 0 shares

    0.03% of the 13F portfolio, value $9,071,930.

    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: 239,000 shares
    • GABELLI FUNDS LLC: 120,000 shares

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

  2. period ended2026-03-31
    13F 359,000 shares
    Change vs previous 13F 0 shares

    0.03% of the 13F portfolio, value $7,844,150.

    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: 239,000 shares
    • GABELLI FUNDS LLC: 120,000 shares

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

  3. period ended2025-12-31
    13F 359,000 shares
    Change vs previous 13F +13,500 shares

    0.03% of the 13F portfolio, value $8,353,930.

    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: 239,000 shares
    • GABELLI FUNDS LLC: 120,000 shares

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

  4. period ended2025-09-30
    13F 345,500 shares
    Change vs previous 13F 0 shares

    0.04% of the 13F portfolio, value $9,777,650.

    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: 225,500 shares
    • GABELLI FUNDS LLC: 120,000 shares

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

  5. period ended2025-06-30
    13F 345,500 shares
    Change vs previous 13F +4,440 shares

    0.03% of the 13F portfolio, value $7,597,545.

    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: 225,500 shares
    • GABELLI FUNDS LLC: 120,000 shares

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

  6. period ended2025-03-31
    13F 341,060 shares
    Change vs previous 13F +5,560 shares

    0.04% of the 13F portfolio, value $7,946,698.

    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: 221,060 shares
    • GABELLI FUNDS LLC: 120,000 shares

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

  7. period ended2024-12-31
    13F 335,500 shares
    Change vs previous 13F +1,500 shares

    0.04% of the 13F portfolio, value $9,638,915.

    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: 215,500 shares
    • GABELLI FUNDS LLC: 120,000 shares

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

  8. period ended2024-09-30
    13F 334,000 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $9,916,460.

    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: 214,000 shares
    • GABELLI FUNDS LLC: 120,000 shares

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