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Disclosery

GROUP ONE TRADING LLC: GPN position timeline

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

GROUP ONE TRADING LLC held 17,747 GPN 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 17,747 shares
    Change vs previous 13F +6,456 shares

    0.04% of the 13F portfolio, value $1,287,722.

    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 11,291 shares
    Change vs previous 13F -28,455 shares

    0.03% of the 13F portfolio, value $759,884.

    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 39,746 shares
    Change vs previous 13F +14,142 shares

    0.09% of the 13F portfolio, value $3,076,340.

    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 25,604 shares
    Change vs previous 13F +14,334 shares

    0.06% of the 13F portfolio, value $2,127,180.

    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 11,270 shares
    Change vs previous 13F -4,679 shares

    0.03% of the 13F portfolio, value $902,051.

    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 15,949 shares
    Change vs previous 13F -23,488 shares

    0.07% of the 13F portfolio, value $1,561,726.

    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 39,437 shares
    Change vs previous 13F +18,955 shares

    0.15% of the 13F portfolio, value $4,419,310.

    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 20,482 shares
    Change vs previous 13F not available

    0.08% of the 13F portfolio, value $2,097,766.

    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).