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Disclosery

Duquesne Family Office LLC: WLK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Duquesne Family Office LLC on WLK, newest first. How the timeline and the estimate are built.

Duquesne Family Office LLC held 0 WLK shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 0 shares
    Change vs previous 13F -21,194 shares

    13F-HR 0001536411-26-000006 filed by Duquesne Family Office LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

    Exited: the 13F for this period no longer lists the position.

  2. period ended2026-03-31
    13F 21,194 shares
    Change vs previous 13F not available

    0.08% of the 13F portfolio, value $2,476,000.

    13F-HR 0001536411-26-000004 filed by Duquesne Family Office LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).