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Disclosery

GROUP ONE TRADING LLC: SMR position timeline

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

GROUP ONE TRADING LLC held 373,232 SMR 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 373,232 shares
    Change vs previous 13F +165,239 shares

    0.11% of the 13F portfolio, value $3,743,517.

    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 207,993 shares
    Change vs previous 13F +156,548 shares

    0.07% of the 13F portfolio, value $2,254,644.

    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 51,445 shares
    Change vs previous 13F -123,602 shares

    0.02% of the 13F portfolio, value $728,976.

    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 175,047 shares
    Change vs previous 13F -67,137 shares

    0.19% of the 13F portfolio, value $6,301,692.

    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 242,184 shares
    Change vs previous 13F -138,155 shares

    0.31% of the 13F portfolio, value $9,580,799.

    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 380,339 shares
    Change vs previous 13F +207,138 shares

    0.22% of the 13F portfolio, value $5,385,600.

    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 173,201 shares
    Change vs previous 13F not available

    0.11% of the 13F portfolio, value $3,105,494.

    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).