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SIMPLEX TRADING, LLC: ZYME position timeline

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

SIMPLEX TRADING, LLC held 19,431 ZYME 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 19,431 shares
    Change vs previous 13F +18,095 shares

    0.01% of the 13F portfolio, value $507,926.

    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 1,336 shares
    Change vs previous 13F -46,704 shares

    <0.01% of the 13F portfolio, value $33,453.

    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 48,040 shares
    Change vs previous 13F +19,279 shares

    0.04% of the 13F portfolio, value $1,264,893.

    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 28,761 shares
    Change vs previous 13F +22,316 shares

    0.01% of the 13F portfolio, value $491,000.

    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 6,445 shares
    Change vs previous 13F +2,277 shares

    <0.01% of the 13F portfolio, value $80,000.

    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 4,168 shares
    Change vs previous 13F +3,081 shares

    <0.01% of the 13F portfolio, value $49,000.

    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 1,087 shares
    Change vs previous 13F -443 shares

    <0.01% of the 13F portfolio, value $15,000.

    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 1,530 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $19,000.

    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).