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Disclosery

GROUP ONE TRADING LLC: FIP position timeline

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

GROUP ONE TRADING LLC held 15,401 FIP 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 15,401 shares
    Change vs previous 13F -13,782 shares

    <0.01% of the 13F portfolio, value $71,461.

    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 29,183 shares
    Change vs previous 13F +28,205 shares

    <0.01% of the 13F portfolio, value $144,164.

    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 978 shares
    Change vs previous 13F -64,711 shares

    <0.01% of the 13F portfolio, value $4,509.

    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 65,689 shares
    Change vs previous 13F -46,510 shares

    0.01% of the 13F portfolio, value $286,404.

    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 112,199 shares
    Change vs previous 13F +84,498 shares

    0.02% of the 13F portfolio, value $692,268.

    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 27,701 shares
    Change vs previous 13F +12,084 shares

    0.01% of the 13F portfolio, value $125,486.

    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 15,617 shares
    Change vs previous 13F +7,180 shares

    <0.01% of the 13F portfolio, value $113,379.

    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 8,437 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $78,970.

    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).