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DIMENSIONAL FUND ADVISORS LP: ISTR position timeline

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

DIMENSIONAL FUND ADVISORS LP held 516,506 ISTR 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 516,506 shares
    Change vs previous 13F +79,101 shares

    <0.01% of the 13F portfolio, value $15,474,503.

    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 437,405 shares
    Change vs previous 13F +26,842 shares

    <0.01% of the 13F portfolio, value $11,927,814.

    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 410,563 shares
    Change vs previous 13F +18,836 shares

    <0.01% of the 13F portfolio, value $10,970,372.

    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 391,727 shares
    Change vs previous 13F +8,856 shares

    <0.01% of the 13F portfolio, value $9,091,873.

    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 382,871 shares
    Change vs previous 13F +13,580 shares

    <0.01% of the 13F portfolio, value $7,397,546.

    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 369,291 shares
    Change vs previous 13F +27,907 shares

    <0.01% of the 13F portfolio, value $6,503,314.

    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 341,384 shares
    Change vs previous 13F +23,895 shares

    <0.01% of the 13F portfolio, value $7,497,043.

    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 317,489 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $6,159,296.

    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).