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Disclosery

GROUP ONE TRADING LLC: SHAK position timeline

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

GROUP ONE TRADING LLC held 17,801 SHAK 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 17,801 shares
    Change vs previous 13F +11,879 shares

    0.03% of the 13F portfolio, value $997,212.

    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 5,922 shares
    Change vs previous 13F -12,803 shares

    0.02% of the 13F portfolio, value $523,919.

    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 18,725 shares
    Change vs previous 13F -4,891 shares

    0.05% of the 13F portfolio, value $1,519,908.

    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 23,616 shares
    Change vs previous 13F -308 shares

    0.07% of the 13F portfolio, value $2,210,694.

    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 23,924 shares
    Change vs previous 13F +3,112 shares

    0.11% of the 13F portfolio, value $3,363,714.

    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 20,812 shares
    Change vs previous 13F +14,850 shares

    0.08% of the 13F portfolio, value $1,834,994.

    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 5,962 shares
    Change vs previous 13F +2,750 shares

    0.03% of the 13F portfolio, value $773,868.

    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 3,212 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $331,511.

    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).