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Disclosery

GROUP ONE TRADING LLC: ARR position timeline

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

GROUP ONE TRADING LLC held 4,449 ARR 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 4,449 shares
    Change vs previous 13F -4,555 shares

    <0.01% of the 13F portfolio, value $77,635.

    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 9,004 shares
    Change vs previous 13F +6,606 shares

    <0.01% of the 13F portfolio, value $150,187.

    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 2,398 shares
    Change vs previous 13F -37,405 shares

    <0.01% of the 13F portfolio, value $42,421.

    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 39,803 shares
    Change vs previous 13F +18,837 shares

    0.02% of the 13F portfolio, value $594,657.

    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 20,966 shares
    Change vs previous 13F +4,121 shares

    0.01% of the 13F portfolio, value $352,438.

    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 16,845 shares
    Change vs previous 13F +4,859 shares

    0.01% of the 13F portfolio, value $288,050.

    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 11,986 shares
    Change vs previous 13F -18,895 shares

    0.01% of the 13F portfolio, value $226,056.

    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 30,881 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $629,972.

    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).