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Disclosery

GROUP ONE TRADING LLC: CCC position timeline

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

GROUP ONE TRADING LLC held 5,979 CCC 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 5,979 shares
    Change vs previous 13F -2,803 shares

    <0.01% of the 13F portfolio, value $30,852.

    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 8,782 shares
    Change vs previous 13F +2,500 shares

    <0.01% of the 13F portfolio, value $52,692.

    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 6,282 shares
    Change vs previous 13F -11,439 shares

    <0.01% of the 13F portfolio, value $49,942.

    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 17,721 shares
    Change vs previous 13F +11,601 shares

    <0.01% of the 13F portfolio, value $161,438.

    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 6,120 shares
    Change vs previous 13F -7,538 shares

    <0.01% of the 13F portfolio, value $57,589.

    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 13,658 shares
    Change vs previous 13F +11,248 shares

    0.01% of the 13F portfolio, value $123,332.

    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 2,410 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $28,269.

    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).