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Disclosery

GROUP ONE TRADING LLC: HROW position timeline

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

GROUP ONE TRADING LLC held 49,115 HROW 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 49,115 shares
    Change vs previous 13F -42,894 shares

    0.06% of the 13F portfolio, value $2,085,914.

    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 92,009 shares
    Change vs previous 13F -16,613 shares

    0.11% of the 13F portfolio, value $3,244,237.

    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 108,622 shares
    Change vs previous 13F -40,110 shares

    0.16% of the 13F portfolio, value $5,322,478.

    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 148,732 shares
    Change vs previous 13F +60,690 shares

    0.21% of the 13F portfolio, value $7,165,908.

    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 88,042 shares
    Change vs previous 13F +2,212 shares

    0.09% of the 13F portfolio, value $2,688,803.

    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 85,830 shares
    Change vs previous 13F +38,931 shares

    0.1% of the 13F portfolio, value $2,283,078.

    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 46,899 shares
    Change vs previous 13F +42,403 shares

    0.05% of the 13F portfolio, value $1,573,461.

    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 4,496 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $202,140.

    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).