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DIMENSIONAL FUND ADVISORS LP: ECO position timeline

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

DIMENSIONAL FUND ADVISORS LP held 41,643 ECO 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 41,643 shares
    Change vs previous 13F +33,524 shares

    <0.01% of the 13F portfolio, value $2,086,681.

    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 8,119 shares
    Change vs previous 13F -285 shares

    <0.01% of the 13F portfolio, value $410,740.

    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 8,404 shares
    Change vs previous 13F -1,595 shares

    <0.01% of the 13F portfolio, value $284,391.

    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 9,999 shares
    Change vs previous 13F +8 shares

    <0.01% of the 13F portfolio, value $292,671.

    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 9,991 shares
    Change vs previous 13F +184 shares

    <0.01% of the 13F portfolio, value $217,104.

    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 9,807 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $216,735.

    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).