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SIMPLEX TRADING, LLC: FSM position timeline

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

SIMPLEX TRADING, LLC held 23,478 FSM 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 23,478 shares
    Change vs previous 13F -42,004 shares

    0.01% of the 13F portfolio, value $198,389.

    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 65,482 shares
    Change vs previous 13F +54,548 shares

    0.02% of the 13F portfolio, value $650,236.

    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 10,934 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $107,262.

    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).