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SIMPLEX TRADING, LLC: CBOE position timeline

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

SIMPLEX TRADING, LLC held 8,462 CBOE 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 8,462 shares
    Change vs previous 13F +7,255 shares

    0.05% of the 13F portfolio, value $2,053,473.

    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 1,207 shares
    Change vs previous 13F -2,554 shares

    0.01% of the 13F portfolio, value $339,251.

    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 3,761 shares
    Change vs previous 13F -1,630 shares

    0.03% of the 13F portfolio, value $944,011.

    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 5,391 shares
    Change vs previous 13F +1,763 shares

    0.03% of the 13F portfolio, value $1,322,000.

    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 3,628 shares
    Change vs previous 13F +2,699 shares

    0.02% of the 13F portfolio, value $846,000.

    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 929 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $210,000.

    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).