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O'SHAUGHNESSY ASSET MANAGEMENT, LLC: ATMU position timeline

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

O'SHAUGHNESSY ASSET MANAGEMENT, LLC held 8,094 ATMU 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 8,094 shares
    Change vs previous 13F -3,681 shares

    <0.01% of the 13F portfolio, value $412,713.

    13F-HR 0001423442-26-000003 filed by O'SHAUGHNESSY 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 11,775 shares
    Change vs previous 13F +360 shares

    <0.01% of the 13F portfolio, value $668,467.

    13F-HR 0001423442-26-000002 filed by O'SHAUGHNESSY 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 11,415 shares
    Change vs previous 13F +1,029 shares

    <0.01% of the 13F portfolio, value $592,553.

    13F-HR 0001423442-26-000001 filed by O'SHAUGHNESSY 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 10,386 shares
    Change vs previous 13F +454 shares

    <0.01% of the 13F portfolio, value $468,305.

    13F-HR 0001423442-25-000009 filed by O'SHAUGHNESSY 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 9,932 shares
    Change vs previous 13F +856 shares

    <0.01% of the 13F portfolio, value $361,723.

    13F-HR 0001423442-25-000008 filed by O'SHAUGHNESSY 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 9,076 shares
    Change vs previous 13F -941 shares

    <0.01% of the 13F portfolio, value $333,361.

    13F-HR 0001423442-25-000003 filed by O'SHAUGHNESSY 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 10,017 shares
    Change vs previous 13F +869 shares

    <0.01% of the 13F portfolio, value $392,466.

    13F-HR 0001423442-25-000001 filed by O'SHAUGHNESSY ASSET MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-09-30
    13F 9,148 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $360,889.

    13F-HR 0001423442-24-000011 filed by O'SHAUGHNESSY ASSET MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

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