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Disclosery

MARSHALL WACE, LLP: ALHC position timeline

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

MARSHALL WACE, LLP held 697,539 ALHC 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 697,539 shares
    Change vs previous 13F +459,883 shares

    0.01% of the 13F portfolio, value $16,608,403.

    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 237,656 shares
    Change vs previous 13F +220,525 shares

    <0.01% of the 13F portfolio, value $4,187,500.

    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 17,131 shares
    Change vs previous 13F -13,864 shares

    <0.01% of the 13F portfolio, value $338,338.

    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 30,995 shares
    Change vs previous 13F -2,008,719 shares

    <0.01% of the 13F portfolio, value $540,862.

    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 2,039,714 shares
    Change vs previous 13F +1,293,416 shares

    0.03% of the 13F portfolio, value $28,555,996.

    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 746,298 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $13,896,070.

    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).