Skip to content
Disclosery

SIMPLEX TRADING, LLC: EC position timeline

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

SIMPLEX TRADING, LLC held 17,658 EC 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 17,658 shares
    Change vs previous 13F -163,133 shares

    0.01% of the 13F portfolio, value $251,449.

    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 180,791 shares
    Change vs previous 13F +180,791 shares

    0.08% of the 13F portfolio, value $2,710,057.

    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 ended2025-03-31
    13F 0 shares
    Change vs previous 13F -79,619 shares

    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).

    Exited: the 13F for this period no longer lists the position.

  4. period ended2024-12-31
    13F 79,619 shares
    Change vs previous 13F +28,798 shares

    0.02% of the 13F portfolio, value $630,000.

    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).

  5. period ended2024-09-30
    13F 50,821 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $453,000.

    13F-HR 0001488542-24-000015 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).