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Disclosery

GROUP ONE TRADING LLC: IWMI position timeline

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

GROUP ONE TRADING LLC held 1,152 IWMI 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 1,152 shares
    Change vs previous 13F -948 shares

    <0.01% of the 13F portfolio, value $61,655.

    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 2,100 shares
    Change vs previous 13F +400 shares

    <0.01% of the 13F portfolio, value $99,540.

    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 1,700 shares
    Change vs previous 13F -622 shares

    <0.01% of the 13F portfolio, value $82,756.

    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 2,322 shares
    Change vs previous 13F +2,000 shares

    <0.01% of the 13F portfolio, value $112,791.

    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 322 shares
    Change vs previous 13F -520 shares

    <0.01% of the 13F portfolio, value $14,628.

    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 842 shares
    Change vs previous 13F -1,096 shares

    <0.01% of the 13F portfolio, value $36,753.

    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 1,938 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $94,894.

    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).