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Disclosery

GROUP ONE TRADING LLC: FULC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GROUP ONE TRADING LLC on FULC, newest first. How the timeline and the estimate are built.

GROUP ONE TRADING LLC held 3,556 FULC shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 3,556 shares
    Change vs previous 13F -50,200 shares

    <0.01% of the 13F portfolio, value $13,015.

    13F-HR 0000932540-26-000011 filed by GROUP ONE TRADING LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  2. period ended2026-03-31
    13F 53,756 shares
    Change vs previous 13F +19,006 shares

    0.01% of the 13F portfolio, value $412,309.

    13F-HR 0000932540-26-000005 filed by GROUP ONE TRADING LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-12-31
    13F 34,750 shares
    Change vs previous 13F +28,990 shares

    0.01% of the 13F portfolio, value $393,022.

    13F-HR 0000932540-26-000002 filed by GROUP ONE TRADING LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-09-30
    13F 5,760 shares
    Change vs previous 13F +141 shares

    <0.01% of the 13F portfolio, value $52,992.

    13F-HR 0000932540-25-000040 filed by GROUP ONE TRADING LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-06-30
    13F 5,619 shares
    Change vs previous 13F -1,173 shares

    <0.01% of the 13F portfolio, value $38,659.

    13F-HR 0000932540-25-000034 filed by GROUP ONE TRADING LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-03-31
    13F 6,792 shares
    Change vs previous 13F -22,697 shares

    <0.01% of the 13F portfolio, value $19,561.

    13F-HR 0000932540-25-000027 filed by GROUP ONE TRADING LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-12-31
    13F/A 29,489 shares
    Change vs previous 13F -39,711 shares

    <0.01% of the 13F portfolio, value $138,598.

    13F-HR/A 0000932540-25-000028 filed by GROUP ONE TRADING LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-09-30
    13F 69,200 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $247,044.

    13F-HR 0000932540-24-000015 filed by GROUP ONE TRADING LLC
    Filed (acceptance time not in the bulk data set), ingested

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