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DIMENSIONAL FUND ADVISORS LP: IPI position timeline

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

DIMENSIONAL FUND ADVISORS LP held 772,388 IPI 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 772,388 shares
    Change vs previous 13F +37,975 shares

    <0.01% of the 13F portfolio, value $25,319,813.

    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 734,413 shares
    Change vs previous 13F +16,813 shares

    0.01% of the 13F portfolio, value $31,412,742.

    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 717,600 shares
    Change vs previous 13F -15,945 shares

    <0.01% of the 13F portfolio, value $19,899,135.

    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 733,545 shares
    Change vs previous 13F -10,380 shares

    <0.01% of the 13F portfolio, value $22,430,944.

    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 743,925 shares
    Change vs previous 13F +45,363 shares

    0.01% of the 13F portfolio, value $26,579,740.

    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 698,562 shares
    Change vs previous 13F -20,884 shares

    0.01% of the 13F portfolio, value $20,530,746.

    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 719,446 shares
    Change vs previous 13F -10,356 shares

    <0.01% of the 13F portfolio, value $15,769,620.

    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 729,802 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $17,515,187.

    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).