Skip to content
Disclosery

GROUP ONE TRADING LLC: OMER position timeline

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

GROUP ONE TRADING LLC held 58,697 OMER 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 58,697 shares
    Change vs previous 13F +20,093 shares

    0.02% of the 13F portfolio, value $558,208.

    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 38,604 shares
    Change vs previous 13F -94,665 shares

    0.01% of the 13F portfolio, value $407,658.

    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 133,269 shares
    Change vs previous 13F +34,972 shares

    0.07% of the 13F portfolio, value $2,288,895.

    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 98,297 shares
    Change vs previous 13F -20,692 shares

    0.01% of the 13F portfolio, value $403,018.

    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 118,989 shares
    Change vs previous 13F +89,422 shares

    0.01% of the 13F portfolio, value $356,967.

    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 29,567 shares
    Change vs previous 13F -67,750 shares

    0.01% of the 13F portfolio, value $243,041.

    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 97,317 shares
    Change vs previous 13F +76,073 shares

    0.03% of the 13F portfolio, value $961,492.

    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 21,244 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $84,339.

    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).