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Disclosery

MARSHALL WACE, LLP: WH position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of MARSHALL WACE, LLP on WH, newest first. How the timeline and the estimate are built.

MARSHALL WACE, LLP held 1,589,340 WH shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,589,340 shares
    Change vs previous 13F +840,841 shares

    0.11% of the 13F portfolio, value $133,838,321.

    13F-HR 0001318757-26-000010 filed by MARSHALL WACE, LLP
    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 748,499 shares
    Change vs previous 13F not available

    0.07% of the 13F portfolio, value $60,800,574.

    13F-HR 0001318757-26-000005 filed by MARSHALL WACE, LLP
    Filed (acceptance time not in the bulk data set), ingested

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