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DIMENSIONAL FUND ADVISORS LP: ATO position timeline

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

DIMENSIONAL FUND ADVISORS LP held 768,834 ATO 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 768,834 shares
    Change vs previous 13F +15,848 shares

    0.02% of the 13F portfolio, value $132,463,944.

    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 752,986 shares
    Change vs previous 13F +19,588 shares

    0.03% of the 13F portfolio, value $139,094,469.

    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 733,398 shares
    Change vs previous 13F +539 shares

    0.03% of the 13F portfolio, value $122,945,635.

    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 732,859 shares
    Change vs previous 13F +15,847 shares

    0.03% of the 13F portfolio, value $125,128,011.

    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 717,012 shares
    Change vs previous 13F -3,962 shares

    0.03% of the 13F portfolio, value $110,489,853.

    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 720,974 shares
    Change vs previous 13F -21,157 shares

    0.03% of the 13F portfolio, value $111,436,775.

    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 742,131 shares
    Change vs previous 13F -1,649 shares

    0.02% of the 13F portfolio, value $103,355,282.

    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 743,780 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $103,164,852.

    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).