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SIMPLEX TRADING, LLC: SPRO position timeline

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

SIMPLEX TRADING, LLC held 61,312 SPRO 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 61,312 shares
    Change vs previous 13F +31,008 shares

    <0.01% of the 13F portfolio, value $135,499.

    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 30,304 shares
    Change vs previous 13F -5,382 shares

    <0.01% of the 13F portfolio, value $70,911.

    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 35,686 shares
    Change vs previous 13F +28,068 shares

    <0.01% of the 13F portfolio, value $83,148.

    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 7,618 shares
    Change vs previous 13F -22,704 shares

    <0.01% of the 13F portfolio, value $14,000.

    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 30,322 shares
    Change vs previous 13F +25,224 shares

    <0.01% of the 13F portfolio, value $87,000.

    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 5,098 shares
    Change vs previous 13F -12 shares

    <0.01% of the 13F portfolio, value $3,000.

    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).

  7. period ended2024-12-31
    13F 5,110 shares
    Change vs previous 13F +4,189 shares

    <0.01% of the 13F portfolio, value $5,000.

    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).

  8. period ended2024-09-30
    13F 921 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,000.

    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).