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Disclosery

GROUP ONE TRADING LLC: DOW position timeline

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

GROUP ONE TRADING LLC held 201,736 DOW 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 201,736 shares
    Change vs previous 13F -261,481 shares

    0.16% of the 13F portfolio, value $5,519,497.

    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 463,217 shares
    Change vs previous 13F +224,591 shares

    0.64% of the 13F portfolio, value $19,292,988.

    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 238,626 shares
    Change vs previous 13F -1,893 shares

    0.17% of the 13F portfolio, value $5,579,076.

    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 240,519 shares
    Change vs previous 13F +70,126 shares

    0.16% of the 13F portfolio, value $5,515,101.

    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 170,393 shares
    Change vs previous 13F +107,316 shares

    0.15% of the 13F portfolio, value $4,512,007.

    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 63,077 shares
    Change vs previous 13F +60,430 shares

    0.09% of the 13F portfolio, value $2,202,649.

    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 2,647 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $106,224.

    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).