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DIMENSIONAL FUND ADVISORS LP: AMG position timeline

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

DIMENSIONAL FUND ADVISORS LP held 670,195 AMG 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 670,195 shares
    Change vs previous 13F -48,118 shares

    0.04% of the 13F portfolio, value $226,804,617.

    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 718,313 shares
    Change vs previous 13F +18,865 shares

    0.04% of the 13F portfolio, value $198,745,831.

    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 699,448 shares
    Change vs previous 13F +15,332 shares

    0.04% of the 13F portfolio, value $201,640,140.

    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 684,116 shares
    Change vs previous 13F +7,891 shares

    0.04% of the 13F portfolio, value $163,113,287.

    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 676,225 shares
    Change vs previous 13F -33,141 shares

    0.03% of the 13F portfolio, value $133,064,514.

    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 709,366 shares
    Change vs previous 13F -51,832 shares

    0.03% of the 13F portfolio, value $119,189,396.

    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 761,198 shares
    Change vs previous 13F -20,853 shares

    0.03% of the 13F portfolio, value $140,762,547.

    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 782,051 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $139,045,343.

    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).