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ACADIAN ASSET MANAGEMENT LLC: ATRA position timeline

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

ACADIAN ASSET MANAGEMENT LLC held 38,845 ATRA 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 38,845 shares
    Change vs previous 13F -92,065 shares

    <0.01% of the 13F portfolio, value $444,000.

    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 130,910 shares
    Change vs previous 13F +76,862 shares

    <0.01% of the 13F portfolio, value $617,000.

    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 54,048 shares
    Change vs previous 13F -2,368 shares

    <0.01% of the 13F portfolio, value $976,000.

    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 56,416 shares
    Change vs previous 13F -8,739 shares

    <0.01% of the 13F portfolio, value $807,000.

    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 65,155 shares
    Change vs previous 13F -49,956 shares

    <0.01% of the 13F portfolio, value $502,000.

    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 115,111 shares
    Change vs previous 13F -9,362 shares

    <0.01% of the 13F portfolio, value $682,000.

    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 124,473 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,655,000.

    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).