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Disclosery

MARSHALL WACE, LLP: ALT position timeline

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

MARSHALL WACE, LLP held 6,841,055 ALT 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 6,841,055 shares
    Change vs previous 13F +2,823,154 shares

    0.02% of the 13F portfolio, value $20,796,808.

    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 4,017,901 shares
    Change vs previous 13F +3,095,124 shares

    0.01% of the 13F portfolio, value $12,375,135.

    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 922,777 shares
    Change vs previous 13F +922,777 shares

    <0.01% of the 13F portfolio, value $3,331,226.

    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 0 shares
    Change vs previous 13F -22,100 shares

    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).

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

  5. period ended2025-06-30
    13F 22,100 shares
    Change vs previous 13F -1,146,238 shares

    <0.01% of the 13F portfolio, value $85,527.

    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 1,168,338 shares
    Change vs previous 13F +1,102,821 shares

    0.01% of the 13F portfolio, value $5,841,690.

    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 65,517 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $472,378.

    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).