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Disclosery

SIMPLEX TRADING, LLC: OPTT position timeline

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

SIMPLEX TRADING, LLC held 129,786 OPTT 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 129,786 shares
    Change vs previous 13F -22,529 shares

    <0.01% of the 13F portfolio, value $34,003.

    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 152,315 shares
    Change vs previous 13F -28,701 shares

    <0.01% of the 13F portfolio, value $53,310.

    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 181,016 shares
    Change vs previous 13F +6,100 shares

    <0.01% of the 13F portfolio, value $54,304.

    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 174,916 shares
    Change vs previous 13F -29,600 shares

    <0.01% of the 13F portfolio, value $88,000.

    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 204,516 shares
    Change vs previous 13F +119,900 shares

    <0.01% of the 13F portfolio, value $97,000.

    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 84,616 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $38,000.

    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).