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Disclosery

GROUP ONE TRADING LLC: DX position timeline

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

GROUP ONE TRADING LLC held 8,460 DX 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 8,460 shares
    Change vs previous 13F -2,186 shares

    <0.01% of the 13F portfolio, value $110,911.

    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 10,646 shares
    Change vs previous 13F -6,459 shares

    <0.01% of the 13F portfolio, value $135,843.

    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 17,105 shares
    Change vs previous 13F +13,070 shares

    0.01% of the 13F portfolio, value $239,641.

    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 4,035 shares
    Change vs previous 13F +4,035 shares

    <0.01% of the 13F portfolio, value $49,590.

    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 0 shares
    Change vs previous 13F -5,544 shares

    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).

    Exited: the 13F for this period no longer lists the position.

  6. period ended2025-03-31
    13F 5,544 shares
    Change vs previous 13F +3,244 shares

    <0.01% of the 13F portfolio, value $72,183.

    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 2,300 shares
    Change vs previous 13F +2,016 shares

    <0.01% of the 13F portfolio, value $29,095.

    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 284 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $3,624.

    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).