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Disclosery

GROUP ONE TRADING LLC: UGL position timeline

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

GROUP ONE TRADING LLC held 6,074 UGL 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 6,074 shares
    Change vs previous 13F -5,924 shares

    0.01% of the 13F portfolio, value $266,466.

    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 11,998 shares
    Change vs previous 13F -30,704 shares

    0.02% of the 13F portfolio, value $737,397.

    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 42,702 shares
    Change vs previous 13F +23,404 shares

    0.07% of the 13F portfolio, value $2,370,815.

    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 19,298 shares
    Change vs previous 13F +16,725 shares

    0.03% of the 13F portfolio, value $888,866.

    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 2,573 shares
    Change vs previous 13F +2,256 shares

    <0.01% of the 13F portfolio, value $89,180.

    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 317 shares
    Change vs previous 13F +17 shares

    <0.01% of the 13F portfolio, value $40,804.

    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 300 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $28,044.

    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).