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Disclosery

MARSHALL WACE, LLP: WBD position timeline

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

MARSHALL WACE, LLP held 5,809,501 WBD 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 5,809,501 shares
    Change vs previous 13F +2,733,541 shares

    0.13% of the 13F portfolio, value $154,881,299.

    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 3,075,960 shares
    Change vs previous 13F -2,176,071 shares

    0.09% of the 13F portfolio, value $84,465,861.

    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).

  3. period ended2025-12-31
    13F 5,252,031 shares
    Change vs previous 13F +124,771 shares

    0.15% of the 13F portfolio, value $151,363,534.

    13F-HR 0001318757-26-000003 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).

  4. period ended2025-09-30
    13F 5,127,260 shares
    Change vs previous 13F +5,127,260 shares

    0.11% of the 13F portfolio, value $100,135,387.

    13F-HR 0001318757-25-000046 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).

  5. period ended2024-12-31
    13F 0 shares
    Change vs previous 13F -94,638 shares

    13F-HR 0002048047-25-000005 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).

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

  6. period ended2024-09-30
    13F 94,638 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $780,764.

    13F-HR 0001318757-24-000018 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).