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Disclosery

GROUP ONE TRADING LLC: ONIT position timeline

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

GROUP ONE TRADING LLC held 26,809 ONIT 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 26,809 shares
    Change vs previous 13F +180 shares

    0.03% of the 13F portfolio, value $1,065,658.

    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 26,629 shares
    Change vs previous 13F +5,913 shares

    0.03% of the 13F portfolio, value $1,045,721.

    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 20,716 shares
    Change vs previous 13F +919 shares

    0.03% of the 13F portfolio, value $948,586.

    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 19,797 shares
    Change vs previous 13F +8,488 shares

    0.02% of the 13F portfolio, value $791,088.

    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 11,309 shares
    Change vs previous 13F +685 shares

    0.01% of the 13F portfolio, value $431,665.

    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 10,624 shares
    Change vs previous 13F +8,837 shares

    0.01% of the 13F portfolio, value $343,368.

    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 1,787 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $54,879.

    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).