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SIMPLEX TRADING, LLC: CHDN position timeline

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

SIMPLEX TRADING, LLC held 9,385 CHDN 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 9,385 shares
    Change vs previous 13F +9,333 shares

    0.02% of the 13F portfolio, value $841,271.

    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 52 shares
    Change vs previous 13F -619 shares

    <0.01% of the 13F portfolio, value $4,671.

    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 671 shares
    Change vs previous 13F -2,751 shares

    <0.01% of the 13F portfolio, value $76,346.

    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 3,422 shares
    Change vs previous 13F -566 shares

    0.01% of the 13F portfolio, value $331,000.

    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 3,988 shares
    Change vs previous 13F +3,035 shares

    0.01% of the 13F portfolio, value $402,000.

    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 953 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $105,000.

    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).