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DIMENSIONAL FUND ADVISORS LP: GHM position timeline

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

DIMENSIONAL FUND ADVISORS LP held 221,503 GHM 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 221,503 shares
    Change vs previous 13F -3,473 shares

    <0.01% of the 13F portfolio, value $27,417,739.

    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 224,976 shares
    Change vs previous 13F -5,875 shares

    <0.01% of the 13F portfolio, value $17,753,674.

    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 230,851 shares
    Change vs previous 13F -20,655 shares

    <0.01% of the 13F portfolio, value $14,828,342.

    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 251,506 shares
    Change vs previous 13F -48,525 shares

    <0.01% of the 13F portfolio, value $13,806,065.

    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 300,031 shares
    Change vs previous 13F -68,208 shares

    <0.01% of the 13F portfolio, value $14,855,334.

    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 368,239 shares
    Change vs previous 13F -29,345 shares

    <0.01% of the 13F portfolio, value $10,612,464.

    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 397,584 shares
    Change vs previous 13F -11,452 shares

    <0.01% of the 13F portfolio, value $17,681,218.

    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 409,036 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $12,103,302.

    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).