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Disclosery

GROUP ONE TRADING LLC: W position timeline

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

GROUP ONE TRADING LLC held 52,482 W 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 52,482 shares
    Change vs previous 13F +21,531 shares

    0.14% of the 13F portfolio, value $4,850,386.

    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 30,951 shares
    Change vs previous 13F -43,968 shares

    0.08% of the 13F portfolio, value $2,327,825.

    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 74,919 shares
    Change vs previous 13F -21,359 shares

    0.22% of the 13F portfolio, value $7,522,617.

    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 96,278 shares
    Change vs previous 13F +60,281 shares

    0.26% of the 13F portfolio, value $8,600,514.

    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 35,997 shares
    Change vs previous 13F +3,199 shares

    0.06% of the 13F portfolio, value $1,840,887.

    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 32,798 shares
    Change vs previous 13F -9,258 shares

    0.04% of the 13F portfolio, value $1,050,520.

    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 42,056 shares
    Change vs previous 13F not available

    0.06% of the 13F portfolio, value $1,863,922.

    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).