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SIMPLEX TRADING, LLC: FAST position timeline

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

SIMPLEX TRADING, LLC held 9,171 FAST 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 9,171 shares
    Change vs previous 13F -17,974 shares

    0.01% of the 13F portfolio, value $440,483.

    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 27,145 shares
    Change vs previous 13F -21,305 shares

    0.04% of the 13F portfolio, value $1,259,528.

    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 48,450 shares
    Change vs previous 13F -925 shares

    0.05% of the 13F portfolio, value $1,944,298.

    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 49,375 shares
    Change vs previous 13F -2,806 shares

    0.05% of the 13F portfolio, value $2,421,000.

    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 52,181 shares
    Change vs previous 13F +23,175 shares

    0.06% of the 13F portfolio, value $2,191,000.

    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 29,006 shares
    Change vs previous 13F not available

    0.08% of the 13F portfolio, value $2,249,000.

    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).