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Disclosery

GROUP ONE TRADING LLC: SH position timeline

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

GROUP ONE TRADING LLC held 18,552 SH 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 18,552 shares
    Change vs previous 13F +1,666 shares

    0.02% of the 13F portfolio, value $612,587.

    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 16,886 shares
    Change vs previous 13F -371 shares

    0.02% of the 13F portfolio, value $640,486.

    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 17,257 shares
    Change vs previous 13F +13,355 shares

    0.02% of the 13F portfolio, value $621,770.

    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 3,902 shares
    Change vs previous 13F +3,471 shares

    <0.01% of the 13F portfolio, value $144,218.

    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 431 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $17,102.

    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).