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Disclosery

GROUP ONE TRADING LLC: TUR position timeline

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

GROUP ONE TRADING LLC held 10,452 TUR 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 10,452 shares
    Change vs previous 13F -57,405 shares

    0.01% of the 13F portfolio, value $406,374.

    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 67,857 shares
    Change vs previous 13F +3,731 shares

    0.09% of the 13F portfolio, value $2,622,673.

    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 64,126 shares
    Change vs previous 13F +64,101 shares

    0.07% of the 13F portfolio, value $2,207,217.

    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 25 shares
    Change vs previous 13F -18,589 shares

    <0.01% of the 13F portfolio, value $856.

    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 18,614 shares
    Change vs previous 13F +13,850 shares

    0.02% of the 13F portfolio, value $600,488.

    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 4,764 shares
    Change vs previous 13F -1,363 shares

    0.01% of the 13F portfolio, value $156,354.

    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 6,127 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $219,714.

    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).