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ACADIAN ASSET MANAGEMENT LLC: ATAT position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of ACADIAN ASSET MANAGEMENT LLC on ATAT, newest first. How the timeline and the estimate are built.

ACADIAN ASSET MANAGEMENT LLC held 358,657 ATAT 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 358,657 shares
    Change vs previous 13F +75,054 shares

    0.01% of the 13F portfolio, value $11,393,000.

    13F-HR 0001140361-26-032657 filed by ACADIAN ASSET MANAGEMENT LLC
    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 283,603 shares
    Change vs previous 13F -1,212,510 shares

    0.01% of the 13F portfolio, value $10,432,000.

    13F-HR 0001140361-26-020957 filed by ACADIAN ASSET MANAGEMENT LLC
    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 1,496,113 shares
    Change vs previous 13F -329,076 shares

    0.1% of the 13F portfolio, value $58,922,000.

    13F-HR 0001140361-26-004564 filed by ACADIAN ASSET MANAGEMENT LLC
    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 1,825,189 shares
    Change vs previous 13F +731,910 shares

    0.12% of the 13F portfolio, value $68,588,000.

    13F-HR 0001140361-25-041908 filed by ACADIAN ASSET MANAGEMENT LLC
    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 1,093,279 shares
    Change vs previous 13F -278,654 shares

    0.07% of the 13F portfolio, value $35,534,000.

    13F-HR 0001140361-25-029365 filed by ACADIAN ASSET MANAGEMENT LLC
    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 1,371,933 shares
    Change vs previous 13F -135,143 shares

    0.11% of the 13F portfolio, value $38,883,000.

    13F-HR 0001135428-25-000021 filed by ACADIAN ASSET MANAGEMENT LLC
    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 1,507,076 shares
    Change vs previous 13F not available

    0.12% of the 13F portfolio, value $40,513,000.

    13F-HR 0001135428-25-000010 filed by ACADIAN ASSET MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).