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Disclosery

MARSHALL WACE, LLP: ABM position timeline

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

MARSHALL WACE, LLP held 59,000 ABM 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 59,000 shares
    Change vs previous 13F +24,864 shares

    <0.01% of the 13F portfolio, value $2,610,160.

    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 34,136 shares
    Change vs previous 13F +4,372 shares

    <0.01% of the 13F portfolio, value $1,314,918.

    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 29,764 shares
    Change vs previous 13F -33,407 shares

    <0.01% of the 13F portfolio, value $1,259,017.

    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 63,171 shares
    Change vs previous 13F +43,704 shares

    <0.01% of the 13F portfolio, value $2,913,446.

    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 19,467 shares
    Change vs previous 13F -45,076 shares

    <0.01% of the 13F portfolio, value $919,037.

    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 64,543 shares
    Change vs previous 13F +57,253 shares

    <0.01% of the 13F portfolio, value $3,056,755.

    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 7,290 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $373,103.

    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).