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Disclosery

MARSHALL WACE, LLP: ZH position timeline

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

MARSHALL WACE, LLP held 35,750 ZH 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 35,750 shares
    Change vs previous 13F +16,598 shares

    <0.01% of the 13F portfolio, value $111,898.

    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 19,152 shares
    Change vs previous 13F -12,148 shares

    <0.01% of the 13F portfolio, value $54,392.

    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 31,300 shares
    Change vs previous 13F -251,668 shares

    <0.01% of the 13F portfolio, value $102,664.

    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 282,968 shares
    Change vs previous 13F +77,580 shares

    <0.01% of the 13F portfolio, value $1,434,648.

    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 ended2025-06-30
    13F 205,388 shares
    Change vs previous 13F -93,676 shares

    <0.01% of the 13F portfolio, value $817,443.

    13F-HR 0001318757-25-000034 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).

  6. period ended2025-03-31
    13F 299,064 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,277,002.

    13F-HR 0001318757-25-000023 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).