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Disclosery

GROUP ONE TRADING LLC: WM position timeline

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

GROUP ONE TRADING LLC held 364 WM 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 364 shares
    Change vs previous 13F -1,577 shares

    <0.01% of the 13F portfolio, value $81,128.

    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 1,941 shares
    Change vs previous 13F -2,334 shares

    0.01% of the 13F portfolio, value $446,022.

    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 4,275 shares
    Change vs previous 13F +210 shares

    0.03% of the 13F portfolio, value $939,260.

    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 4,065 shares
    Change vs previous 13F -56 shares

    0.03% of the 13F portfolio, value $897,674.

    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 4,121 shares
    Change vs previous 13F +1,921 shares

    0.03% of the 13F portfolio, value $942,967.

    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 2,200 shares
    Change vs previous 13F +371 shares

    0.02% of the 13F portfolio, value $509,322.

    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 1,829 shares
    Change vs previous 13F +1,151 shares

    0.01% of the 13F portfolio, value $369,074.

    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 678 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $140,753.

    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).