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Disclosery

GROUP ONE TRADING LLC: SBSW position timeline

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

GROUP ONE TRADING LLC held 268,427 SBSW 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 268,427 shares
    Change vs previous 13F -274,930 shares

    0.07% of the 13F portfolio, value $2,278,945.

    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 543,357 shares
    Change vs previous 13F +522,879 shares

    0.22% of the 13F portfolio, value $6,694,158.

    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 20,478 shares
    Change vs previous 13F -518,039 shares

    0.01% of the 13F portfolio, value $291,812.

    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 538,517 shares
    Change vs previous 13F -182,251 shares

    0.18% of the 13F portfolio, value $6,052,931.

    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 720,768 shares
    Change vs previous 13F -384,110 shares

    0.17% of the 13F portfolio, value $5,203,945.

    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 1,104,878 shares
    Change vs previous 13F -373,296 shares

    0.21% of the 13F portfolio, value $5,060,341.

    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 1,478,174 shares
    Change vs previous 13F -276,782 shares

    0.17% of the 13F portfolio, value $4,877,974.

    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 1,754,956 shares
    Change vs previous 13F not available

    0.29% of the 13F portfolio, value $7,212,869.

    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).