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Disclosery

GROUP ONE TRADING LLC: XFOR position timeline

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

GROUP ONE TRADING LLC held 712 XFOR 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 712 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $3,325.

    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 712 shares
    Change vs previous 13F -3,286 shares

    <0.01% of the 13F portfolio, value $2,941.

    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 3,998 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $15,992.

    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 3,998 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $13,673.

    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 3,998 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $7,596.

    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).