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Disclosery

MARSHALL WACE, LLP: IMPP position timeline

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

MARSHALL WACE, LLP held 630,497 IMPP 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 630,497 shares
    Change vs previous 13F -176,124 shares

    <0.01% of the 13F portfolio, value $2,906,591.

    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 806,621 shares
    Change vs previous 13F +777,234 shares

    <0.01% of the 13F portfolio, value $3,452,337.

    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 29,387 shares
    Change vs previous 13F -103,853 shares

    <0.01% of the 13F portfolio, value $106,381.

    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 133,240 shares
    Change vs previous 13F +90,264 shares

    <0.01% of the 13F portfolio, value $636,886.

    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 42,976 shares
    Change vs previous 13F -59,568 shares

    <0.01% of the 13F portfolio, value $132,366.

    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 102,544 shares
    Change vs previous 13F +43,278 shares

    <0.01% of the 13F portfolio, value $251,232.

    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).

  7. period ended2024-12-31
    13F 59,266 shares
    Change vs previous 13F +59,266 shares

    <0.01% of the 13F portfolio, value $178,389.

    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).

  8. period ended2024-09-30
    13F 0 shares
    Change vs previous 13F not available

    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).

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