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DIMENSIONAL FUND ADVISORS LP: AMKR position timeline

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

DIMENSIONAL FUND ADVISORS LP held 8,064,191 AMKR 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 8,064,191 shares
    Change vs previous 13F -2,927,278 shares

    0.13% of the 13F portfolio, value $695,285,204.

    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 10,991,469 shares
    Change vs previous 13F -1,781,422 shares

    0.1% of the 13F portfolio, value $494,879,378.

    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 12,772,891 shares
    Change vs previous 13F -378,319 shares

    0.11% of the 13F portfolio, value $504,286,543.

    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 13,151,210 shares
    Change vs previous 13F -126,575 shares

    0.08% of the 13F portfolio, value $373,495,243.

    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 13,277,785 shares
    Change vs previous 13F -120,645 shares

    0.06% of the 13F portfolio, value $278,704,638.

    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 13,398,430 shares
    Change vs previous 13F +365,975 shares

    0.06% of the 13F portfolio, value $241,979,872.

    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 13,032,455 shares
    Change vs previous 13F -366,971 shares

    0.08% of the 13F portfolio, value $334,808,737.

    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 13,399,426 shares
    Change vs previous 13F not available

    0.1% of the 13F portfolio, value $410,028,790.

    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).