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SIMPLEX TRADING, LLC: NKTR position timeline

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

SIMPLEX TRADING, LLC held 14,357 NKTR 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 14,357 shares
    Change vs previous 13F +8,635 shares

    0.03% of the 13F portfolio, value $1,002,262.

    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 5,722 shares
    Change vs previous 13F -16,214 shares

    0.01% of the 13F portfolio, value $411,697.

    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 21,936 shares
    Change vs previous 13F -54,514 shares

    0.03% of the 13F portfolio, value $927,454.

    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 76,450 shares
    Change vs previous 13F +29,497 shares

    0.1% of the 13F portfolio, value $4,350,000.

    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 46,953 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $1,213,000.

    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).