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DIMENSIONAL FUND ADVISORS LP: AME position timeline

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

DIMENSIONAL FUND ADVISORS LP held 2,110,807 AME 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 2,110,807 shares
    Change vs previous 13F +35,578 shares

    0.09% of the 13F portfolio, value $510,645,372.

    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 2,075,229 shares
    Change vs previous 13F +29,001 shares

    0.09% of the 13F portfolio, value $444,787,820.

    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 2,046,228 shares
    Change vs previous 13F +11,442 shares

    0.09% of the 13F portfolio, value $420,127,957.

    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 2,034,786 shares
    Change vs previous 13F -115,097 shares

    0.08% of the 13F portfolio, value $382,520,461.

    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 2,149,883 shares
    Change vs previous 13F +2,467 shares

    0.09% of the 13F portfolio, value $389,045,919.

    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 2,147,416 shares
    Change vs previous 13F +13,464 shares

    0.09% of the 13F portfolio, value $369,615,828.

    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 2,133,952 shares
    Change vs previous 13F +87,757 shares

    0.09% of the 13F portfolio, value $384,677,481.

    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 2,046,195 shares
    Change vs previous 13F not available

    0.09% of the 13F portfolio, value $351,354,246.

    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).