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Disclosery

GROUP ONE TRADING LLC: XOVR position timeline

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

GROUP ONE TRADING LLC held 395,280 XOVR 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 395,280 shares
    Change vs previous 13F +382,689 shares

    0.24% of the 13F portfolio, value $8,320,644.

    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 12,591 shares
    Change vs previous 13F +9,857 shares

    0.01% of the 13F portfolio, value $212,662.

    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 2,734 shares
    Change vs previous 13F +92 shares

    <0.01% of the 13F portfolio, value $55,063.

    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 2,642 shares
    Change vs previous 13F +2,542 shares

    <0.01% of the 13F portfolio, value $55,799.

    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 100 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,909.

    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).