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Disclosery

GROUP ONE TRADING LLC: MX position timeline

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

GROUP ONE TRADING LLC held 117,823 MX 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 117,823 shares
    Change vs previous 13F +94,157 shares

    0.02% of the 13F portfolio, value $557,303.

    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 23,666 shares
    Change vs previous 13F +11,675 shares

    <0.01% of the 13F portfolio, value $66,265.

    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 11,991 shares
    Change vs previous 13F -3,587 shares

    <0.01% of the 13F portfolio, value $30,577.

    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 15,578 shares
    Change vs previous 13F +13,220 shares

    <0.01% of the 13F portfolio, value $48,759.

    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 2,358 shares
    Change vs previous 13F -39,039 shares

    <0.01% of the 13F portfolio, value $9,385.

    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 41,397 shares
    Change vs previous 13F +38,975 shares

    0.01% of the 13F portfolio, value $141,992.

    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 2,422 shares
    Change vs previous 13F -128,377 shares

    <0.01% of the 13F portfolio, value $9,736.

    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 130,799 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $610,831.

    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).