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DIMENSIONAL FUND ADVISORS LP: FSM position timeline

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

DIMENSIONAL FUND ADVISORS LP held 10,562,217 FSM shares at 2026-06-30 per its 13F-HR filed 2026-08-11, and reported 18,429,523 shares, 6.2%, in a 13G/A filed 2026-10-08.

Estimated current stake: 18,429,523 shares, 6.2% of the class

Estimated from 13G/A of 2026-10-08. As of 2026-09-30, 13G/A 0000354204-26-001025.

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/A 18,429,523 shares
    Share basis changed not comparable

    6.2% of the class. Different basis (group aggregate from 13G/A).

    13G/A 0000354204-26-001025 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 10,562,217 shares
    Change vs previous 13F -71,940 shares

    0.02% of the 13F portfolio, value $89,247,782.

    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 10,634,157 shares
    Change vs previous 13F +567,558 shares

    0.02% of the 13F portfolio, value $105,576,142.

    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 10,066,599 shares
    Change vs previous 13F +758,657 shares

    0.02% of the 13F portfolio, value $98,758,209.

    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 9,307,942 shares
    Change vs previous 13F +1,351,971 shares

    0.02% of the 13F portfolio, value $83,389,414.

    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 7,955,971 shares
    Change vs previous 13F -558,846 shares

    0.01% of the 13F portfolio, value $52,027,668.

    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 8,514,817 shares
    Change vs previous 13F +112,698 shares

    0.01% of the 13F portfolio, value $51,940,872.

    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).

  8. period ended2024-12-31
    13F 8,402,119 shares
    Change vs previous 13F +796,364 shares

    0.01% of the 13F portfolio, value $36,043,143.

    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 7,605,755 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $35,218,148.

    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).