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DIMENSIONAL FUND ADVISORS LP: ATMU position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of DIMENSIONAL FUND ADVISORS LP on ATMU, newest first. How the timeline and the estimate are built.

DIMENSIONAL FUND ADVISORS LP held 1,460,934 ATMU shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,460,934 shares
    Change vs previous 13F +157,962 shares

    0.01% of the 13F portfolio, value $74,493,033.

    13F-HR 0000354204-26-000866 filed by DIMENSIONAL FUND ADVISORS LP
    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 1,302,972 shares
    Change vs previous 13F +45,138 shares

    0.02% of the 13F portfolio, value $73,958,755.

    13F-HR 0000354204-26-000581 filed by DIMENSIONAL FUND ADVISORS LP
    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 1,257,834 shares
    Change vs previous 13F +69,974 shares

    0.01% of the 13F portfolio, value $65,296,514.

    13F-HR 0000354204-26-000347 filed by DIMENSIONAL FUND ADVISORS LP
    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 1,187,860 shares
    Change vs previous 13F +63,618 shares

    0.01% of the 13F portfolio, value $53,561,390.

    13F-HR 0000354204-25-001337 filed by DIMENSIONAL FUND ADVISORS LP
    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 1,124,242 shares
    Change vs previous 13F +101,012 shares

    0.01% of the 13F portfolio, value $40,941,592.

    13F-HR 0000354204-25-001097 filed by DIMENSIONAL FUND ADVISORS LP
    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 1,023,230 shares
    Change vs previous 13F +284,761 shares

    0.01% of the 13F portfolio, value $37,587,883.

    13F-HR 0000354204-25-000866 filed by DIMENSIONAL FUND ADVISORS LP
    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 738,469 shares
    Change vs previous 13F +208,550 shares

    0.01% of the 13F portfolio, value $28,930,697.

    13F-HR 0000354204-25-000528 filed by DIMENSIONAL FUND ADVISORS LP
    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 529,919 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $19,887,107.

    13F-HR 0000354204-24-004773 filed by DIMENSIONAL FUND ADVISORS LP
    Filed (acceptance time not in the bulk data set), ingested

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