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ACADIAN ASSET MANAGEMENT LLC: ATNM position timeline

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

ACADIAN ASSET MANAGEMENT LLC held 496,288 ATNM 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 496,288 shares
    Change vs previous 13F -104,531 shares

    <0.01% of the 13F portfolio, value $485,000.

    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 600,819 shares
    Change vs previous 13F -5,520 shares

    <0.01% of the 13F portfolio, value $596,000.

    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 606,339 shares
    Change vs previous 13F +116,762 shares

    <0.01% of the 13F portfolio, value $823,000.

    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 489,577 shares
    Change vs previous 13F -2,366 shares

    <0.01% of the 13F portfolio, value $782,000.

    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 491,943 shares
    Change vs previous 13F -12,095 shares

    <0.01% of the 13F portfolio, value $687,000.

    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 504,038 shares
    Change vs previous 13F +4,778 shares

    <0.01% of the 13F portfolio, value $810,000.

    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 499,260 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $628,000.

    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).