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DIMENSIONAL FUND ADVISORS LP: AAT position timeline

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

DIMENSIONAL FUND ADVISORS LP held 663,092 AAT 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 663,092 shares
    Change vs previous 13F +46,209 shares

    <0.01% of the 13F portfolio, value $16,372,169.

    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 616,883 shares
    Change vs previous 13F -101,023 shares

    <0.01% of the 13F portfolio, value $11,356,928.

    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 717,906 shares
    Change vs previous 13F +12,122 shares

    <0.01% of the 13F portfolio, value $13,590,174.

    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 705,784 shares
    Change vs previous 13F +7,547 shares

    <0.01% of the 13F portfolio, value $14,341,235.

    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 698,237 shares
    Change vs previous 13F -6,404 shares

    <0.01% of the 13F portfolio, value $13,790,532.

    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 704,641 shares
    Change vs previous 13F -34,085 shares

    <0.01% of the 13F portfolio, value $14,191,094.

    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 738,726 shares
    Change vs previous 13F -23,893 shares

    <0.01% of the 13F portfolio, value $19,398,708.

    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 762,619 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $20,376,834.

    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).