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Disclosery

GROUP ONE TRADING LLC: SIG position timeline

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

GROUP ONE TRADING LLC held 2,250 SIG 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 2,250 shares
    Change vs previous 13F -3,998 shares

    0.01% of the 13F portfolio, value $193,950.

    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 6,248 shares
    Change vs previous 13F -8,517 shares

    0.02% of the 13F portfolio, value $528,831.

    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 14,765 shares
    Change vs previous 13F +10,606 shares

    0.04% of the 13F portfolio, value $1,223,723.

    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 4,159 shares
    Change vs previous 13F -8,545 shares

    0.01% of the 13F portfolio, value $398,931.

    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 12,704 shares
    Change vs previous 13F +6,292 shares

    0.03% of the 13F portfolio, value $1,010,603.

    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 6,412 shares
    Change vs previous 13F -3,958 shares

    0.02% of the 13F portfolio, value $372,281.

    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 10,370 shares
    Change vs previous 13F +1,314 shares

    0.03% of the 13F portfolio, value $836,963.

    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 9,056 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $934,036.

    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).