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Disclosery

GROUP ONE TRADING LLC: LTRX position timeline

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

GROUP ONE TRADING LLC held 36,626 LTRX 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 36,626 shares
    Change vs previous 13F +30,894 shares

    0.01% of the 13F portfolio, value $215,361.

    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 5,732 shares
    Change vs previous 13F -62,244 shares

    <0.01% of the 13F portfolio, value $30,036.

    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 67,976 shares
    Change vs previous 13F +60,557 shares

    0.01% of the 13F portfolio, value $398,339.

    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 7,419 shares
    Change vs previous 13F +621 shares

    <0.01% of the 13F portfolio, value $33,905.

    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 6,798 shares
    Change vs previous 13F -4,941 shares

    <0.01% of the 13F portfolio, value $19,510.

    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 11,739 shares
    Change vs previous 13F +2,239 shares

    <0.01% of the 13F portfolio, value $29,230.

    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 9,500 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $39,140.

    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).