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DIMENSIONAL FUND ADVISORS LP: CSPI position timeline

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

DIMENSIONAL FUND ADVISORS LP held 351,674 CSPI 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 351,674 shares
    Change vs previous 13F -8,379 shares

    <0.01% of the 13F portfolio, value $2,792,268.

    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 360,053 shares
    Change vs previous 13F -9,495 shares

    <0.01% of the 13F portfolio, value $3,114,132.

    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 369,548 shares
    Change vs previous 13F -8,727 shares

    <0.01% of the 13F portfolio, value $4,619,502.

    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 378,275 shares
    Change vs previous 13F -20,237 shares

    <0.01% of the 13F portfolio, value $4,369,344.

    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 398,512 shares
    Change vs previous 13F -21,814 shares

    <0.01% of the 13F portfolio, value $5,155,779.

    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 420,326 shares
    Change vs previous 13F -68,465 shares

    <0.01% of the 13F portfolio, value $6,447,807.

    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 488,791 shares
    Change vs previous 13F -7,225 shares

    <0.01% of the 13F portfolio, value $7,855,343.

    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 496,016 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $6,443,195.

    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).