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Disclosery

GROUP ONE TRADING LLC: SMG position timeline

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

GROUP ONE TRADING LLC held 625 SMG 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 625 shares
    Change vs previous 13F +228 shares

    <0.01% of the 13F portfolio, value $42,569.

    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 397 shares
    Change vs previous 13F -58,915 shares

    <0.01% of the 13F portfolio, value $24,142.

    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 59,312 shares
    Change vs previous 13F +20,870 shares

    0.1% of the 13F portfolio, value $3,460,855.

    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 38,442 shares
    Change vs previous 13F +13,184 shares

    0.07% of the 13F portfolio, value $2,189,272.

    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 25,258 shares
    Change vs previous 13F -8,035 shares

    0.05% of the 13F portfolio, value $1,666,018.

    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 33,293 shares
    Change vs previous 13F +7,313 shares

    0.08% of the 13F portfolio, value $1,827,453.

    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 25,980 shares
    Change vs previous 13F -950 shares

    0.06% of the 13F portfolio, value $1,723,513.

    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 26,930 shares
    Change vs previous 13F not available

    0.09% of the 13F portfolio, value $2,334,831.

    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).