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Disclosery

GROUP ONE TRADING LLC: DK position timeline

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

GROUP ONE TRADING LLC held 45,642 DK 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 45,642 shares
    Change vs previous 13F -19,119 shares

    0.07% of the 13F portfolio, value $2,319,070.

    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 64,761 shares
    Change vs previous 13F +44,944 shares

    0.1% of the 13F portfolio, value $2,918,778.

    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 19,817 shares
    Change vs previous 13F -96,113 shares

    0.02% of the 13F portfolio, value $587,772.

    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 115,930 shares
    Change vs previous 13F +32,825 shares

    0.11% of the 13F portfolio, value $3,741,061.

    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 83,105 shares
    Change vs previous 13F +82,916 shares

    0.06% of the 13F portfolio, value $1,760,164.

    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 189 shares
    Change vs previous 13F -2,861 shares

    <0.01% of the 13F portfolio, value $2,848.

    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 3,050 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $56,425.

    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).