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Disclosery

GROUP ONE TRADING LLC: CRL position timeline

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

GROUP ONE TRADING LLC held 1,573 CRL 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 1,573 shares
    Change vs previous 13F +1,498 shares

    0.01% of the 13F portfolio, value $356,741.

    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 shares
    Change vs previous 13F -220 shares

    <0.01% of the 13F portfolio, value $12,938.

    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 295 shares
    Change vs previous 13F +163 shares

    <0.01% of the 13F portfolio, value $58,847.

    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 132 shares
    Change vs previous 13F -841 shares

    <0.01% of the 13F portfolio, value $20,653.

    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 973 shares
    Change vs previous 13F -9,733 shares

    <0.01% of the 13F portfolio, value $147,633.

    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 10,706 shares
    Change vs previous 13F +2,685 shares

    0.07% of the 13F portfolio, value $1,611,467.

    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 8,021 shares
    Change vs previous 13F +2,285 shares

    0.05% of the 13F portfolio, value $1,480,677.

    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 5,736 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $1,129,820.

    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).