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Disclosery

GROUP ONE TRADING LLC: UBS position timeline

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

GROUP ONE TRADING LLC held 67,158 UBS 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 67,158 shares
    Change vs previous 13F -7,934 shares

    0.1% of the 13F portfolio, value $3,328,350.

    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 75,092 shares
    Change vs previous 13F +5,018 shares

    0.1% of the 13F portfolio, value $2,933,844.

    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 70,074 shares
    Change vs previous 13F -39,468 shares

    0.1% of the 13F portfolio, value $3,245,127.

    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 109,542 shares
    Change vs previous 13F +10,167 shares

    0.13% of the 13F portfolio, value $4,491,222.

    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 99,375 shares
    Change vs previous 13F +15,986 shares

    0.11% of the 13F portfolio, value $3,360,862.

    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 83,389 shares
    Change vs previous 13F +28,596 shares

    0.11% of the 13F portfolio, value $2,554,205.

    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 54,793 shares
    Change vs previous 13F +52,984 shares

    0.06% of the 13F portfolio, value $1,661,324.

    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 1,809 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $55,916.

    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).