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Disclosery

GROUP ONE TRADING LLC: UAMY position timeline

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

GROUP ONE TRADING LLC held 55,206 UAMY 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 55,206 shares
    Change vs previous 13F -665,524 shares

    0.01% of the 13F portfolio, value $400,796.

    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 720,730 shares
    Change vs previous 13F +639,808 shares

    0.21% of the 13F portfolio, value $6,291,973.

    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 80,922 shares
    Change vs previous 13F +70,226 shares

    0.01% of the 13F portfolio, value $406,228.

    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 10,696 shares
    Change vs previous 13F -446,454 shares

    <0.01% of the 13F portfolio, value $66,315.

    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 457,150 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $996,587.

    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).