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Disclosery

GROUP ONE TRADING LLC: VKTX position timeline

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

GROUP ONE TRADING LLC held 261,443 VKTX 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 261,443 shares
    Change vs previous 13F +49,626 shares

    0.29% of the 13F portfolio, value $10,198,891.

    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 211,817 shares
    Change vs previous 13F +68,202 shares

    0.23% of the 13F portfolio, value $6,892,525.

    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 143,615 shares
    Change vs previous 13F +107,798 shares

    0.15% of the 13F portfolio, value $5,052,376.

    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 35,817 shares
    Change vs previous 13F -113,398 shares

    0.03% of the 13F portfolio, value $941,271.

    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 149,215 shares
    Change vs previous 13F +26,543 shares

    0.13% of the 13F portfolio, value $3,954,198.

    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 122,672 shares
    Change vs previous 13F -144,081 shares

    0.12% of the 13F portfolio, value $2,962,529.

    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 266,753 shares
    Change vs previous 13F +2,645 shares

    0.36% of the 13F portfolio, value $10,734,141.

    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 264,108 shares
    Change vs previous 13F not available

    0.66% of the 13F portfolio, value $16,720,677.

    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).