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SIMPLEX TRADING, LLC: ABX position timeline

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

SIMPLEX TRADING, LLC held 4,906 ABX shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 4,906 shares
    Change vs previous 13F -18,500 shares

    <0.01% of the 13F portfolio, value $52,543.

    13F-HR 0001488542-26-000011 filed by SIMPLEX 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 23,406 shares
    Change vs previous 13F -32,788 shares

    0.01% of the 13F portfolio, value $184,439.

    13F-HR 0001488542-26-000009 filed by SIMPLEX 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 56,194 shares
    Change vs previous 13F +32,910 shares

    0.01% of the 13F portfolio, value $480,458.

    13F-HR 0001488542-26-000002 filed by SIMPLEX 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 23,284 shares
    Change vs previous 13F +22,820 shares

    <0.01% of the 13F portfolio, value $133,000.

    13F-HR 0001488542-25-000018 filed by SIMPLEX 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 464 shares
    Change vs previous 13F -4,854 shares

    <0.01% of the 13F portfolio, value $2,000.

    13F-HR 0001488542-25-000010 filed by SIMPLEX 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 5,318 shares
    Change vs previous 13F -5,079 shares

    <0.01% of the 13F portfolio, value $39,000.

    13F-HR 0001488542-25-000007 filed by SIMPLEX 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 10,397 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $81,000.

    13F-HR 0001488542-25-000001 filed by SIMPLEX TRADING, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).