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SIMPLEX TRADING, LLC: GEOS position timeline

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

SIMPLEX TRADING, LLC held 2,075 GEOS 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 2,075 shares
    Change vs previous 13F +1,679 shares

    <0.01% of the 13F portfolio, value $14,047.

    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 396 shares
    Change vs previous 13F -1,605 shares

    <0.01% of the 13F portfolio, value $4,831.

    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 2,001 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $33,836.

    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).