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DIMENSIONAL FUND ADVISORS LP: MKSI position timeline

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

DIMENSIONAL FUND ADVISORS LP held 533,145 MKSI 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 533,145 shares
    Change vs previous 13F -302,200 shares

    0.04% of the 13F portfolio, value $236,974,157.

    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 835,345 shares
    Change vs previous 13F -282,142 shares

    0.04% of the 13F portfolio, value $191,879,336.

    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 1,117,487 shares
    Change vs previous 13F -147,878 shares

    0.04% of the 13F portfolio, value $178,581,199.

    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 1,265,365 shares
    Change vs previous 13F +297,850 shares

    0.03% of the 13F portfolio, value $156,601,919.

    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 967,515 shares
    Change vs previous 13F +88,834 shares

    0.02% of the 13F portfolio, value $96,141,804.

    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 878,681 shares
    Change vs previous 13F +252,538 shares

    0.02% of the 13F portfolio, value $70,424,724.

    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 626,143 shares
    Change vs previous 13F +199,795 shares

    0.02% of the 13F portfolio, value $65,365,222.

    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 426,348 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $46,356,385.

    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).