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SIMPLEX TRADING, LLC: XLK position timeline

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

SIMPLEX TRADING, LLC held 32,789 XLK 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 32,789 shares
    Change vs previous 13F +3,094 shares

    0.16% of the 13F portfolio, value $6,246,960.

    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 29,695 shares
    Change vs previous 13F -21,018 shares

    0.12% of the 13F portfolio, value $3,946,465.

    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 50,713 shares
    Change vs previous 13F -26,120 shares

    0.21% of the 13F portfolio, value $7,301,150.

    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 76,833 shares
    Change vs previous 13F +75,368 shares

    0.48% of the 13F portfolio, value $21,656,000.

    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 1,465 shares
    Change vs previous 13F -49,248 shares

    0.01% of the 13F portfolio, value $370,000.

    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 50,713 shares
    Change vs previous 13F not available

    0.37% of the 13F portfolio, value $10,471,000.

    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).