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GAMCO Investors (Gabelli): FSTR position timeline

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

GAMCO Investors (Gabelli) held 1,010,039 FSTR 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 1,010,039 shares
    Change vs previous 13F -24,436 shares

    0.17% of the 13F portfolio, value $45,623,462.

    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: 885,439 shares
    • GABELLI FUNDS LLC: 124,600 shares

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

  2. period ended2026-03-31
    13F 1,034,475 shares
    Change vs previous 13F -19,579 shares

    0.12% of the 13F portfolio, value $28,861,852.

    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: 901,439 shares
    • GABELLI FUNDS LLC: 133,036 shares

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

  3. period ended2025-12-31
    13F 1,054,054 shares
    Change vs previous 13F -23,885 shares

    0.11% of the 13F portfolio, value $28,406,755.

    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: 918,100 shares
    • GABELLI FUNDS LLC: 135,954 shares

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

  4. period ended2025-09-30
    13F 1,077,939 shares
    Change vs previous 13F -17,072 shares

    0.12% of the 13F portfolio, value $29,050,456.

    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: 933,500 shares
    • GABELLI FUNDS LLC: 144,439 shares

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

  5. period ended2025-06-30
    13F 1,095,011 shares
    Change vs previous 13F -2,808 shares

    0.1% of the 13F portfolio, value $23,947,891.

    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: 950,272 shares
    • GABELLI FUNDS LLC: 144,739 shares

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

  6. period ended2025-03-31
    13F 1,097,819 shares
    Change vs previous 13F -4,045 shares

    0.1% of the 13F portfolio, value $21,605,078.

    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: 932,000 shares
    • GABELLI FUNDS LLC: 165,819 shares

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

  7. period ended2024-12-31
    13F 1,101,864 shares
    Change vs previous 13F +3,700 shares

    0.13% of the 13F portfolio, value $29,640,142.

    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: 934,200 shares
    • GABELLI FUNDS LLC: 167,664 shares

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

  8. period ended2024-09-30
    13F 1,098,164 shares
    Change vs previous 13F not available

    0.09% of the 13F portfolio, value $22,435,491.

    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: 928,500 shares
    • GABELLI FUNDS LLC: 169,664 shares

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