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DIMENSIONAL FUND ADVISORS LP: MMS position timeline

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

DIMENSIONAL FUND ADVISORS LP held 2,354,118 MMS shares at 2026-06-30 per its 13F-HR filed 2026-08-11, and reported 2,666,222 shares, 5.1%, in a 13G filed 2026-10-08.

Estimated current stake: 2,666,222 shares, 5.1% of the class

Estimated from 13G of 2026-10-08. As of 2026-09-30, 13G 0000354204-26-001091.

Shares are the reporting group's aggregate and may include entities that do not file a 13F.

Percent of portfolio stays on the 13F for 2026-06-30.

  1. event date2026-09-30
    13G 2,666,222 shares
    Share basis changed not comparable

    5.1% of the class. Different basis (group aggregate from 13G).

    13G 0000354204-26-001091 filed by DIMENSIONAL FUND ADVISORS LP
    Accepted , ingested

    A 13D/G states the aggregate of its reporting persons, which may include entities that do not file a 13F.

  2. period ended2026-06-30
    13F 2,354,118 shares
    Change vs previous 13F +246,840 shares

    0.02% of the 13F portfolio, value $126,562,730.

    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).

  3. period ended2026-03-31
    13F 2,107,278 shares
    Change vs previous 13F +141,362 shares

    0.03% of the 13F portfolio, value $135,084,006.

    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).

  4. period ended2025-12-31
    13F 1,965,916 shares
    Change vs previous 13F +96,343 shares

    0.04% of the 13F portfolio, value $169,700,451.

    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).

  5. period ended2025-09-30
    13F 1,869,573 shares
    Change vs previous 13F +36,989 shares

    0.04% of the 13F portfolio, value $170,812,103.

    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).

  6. period ended2025-06-30
    13F 1,832,584 shares
    Change vs previous 13F +137,002 shares

    0.03% of the 13F portfolio, value $128,646,926.

    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).

  7. period ended2025-03-31
    13F 1,695,582 shares
    Change vs previous 13F +288,990 shares

    0.03% of the 13F portfolio, value $115,620,445.

    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).

  8. period ended2024-12-31
    13F 1,406,592 shares
    Change vs previous 13F +177,075 shares

    0.03% of the 13F portfolio, value $105,001,280.

    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).

  9. period ended2024-09-30
    13F 1,229,517 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $114,540,885.

    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).