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Disclosery

GROUP ONE TRADING LLC: WULF position timeline

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

GROUP ONE TRADING LLC held 232,220 WULF 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 232,220 shares
    Change vs previous 13F -478,174 shares

    0.17% of the 13F portfolio, value $5,735,834.

    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 710,394 shares
    Change vs previous 13F +484,558 shares

    0.34% of the 13F portfolio, value $10,250,985.

    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 225,836 shares
    Change vs previous 13F -1,062,418 shares

    0.08% of the 13F portfolio, value $2,594,856.

    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 1,288,254 shares
    Change vs previous 13F -676,303 shares

    0.44% of the 13F portfolio, value $14,711,861.

    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 1,964,557 shares
    Change vs previous 13F +1,286,936 shares

    0.28% of the 13F portfolio, value $8,604,760.

    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 677,621 shares
    Change vs previous 13F -2,450,395 shares

    0.08% of the 13F portfolio, value $1,849,905.

    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 3,128,016 shares
    Change vs previous 13F -247,774 shares

    0.6% of the 13F portfolio, value $17,704,571.

    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 3,375,790 shares
    Change vs previous 13F not available

    0.62% of the 13F portfolio, value $15,798,697.

    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).