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DIMENSIONAL FUND ADVISORS LP: IRM position timeline

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

DIMENSIONAL FUND ADVISORS LP held 4,625,684 IRM 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 4,625,684 shares
    Change vs previous 13F +73,398 shares

    0.11% of the 13F portfolio, value $584,312,010.

    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 4,552,286 shares
    Change vs previous 13F +122,927 shares

    0.1% of the 13F portfolio, value $464,930,903.

    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 4,429,359 shares
    Change vs previous 13F +81,320 shares

    0.08% of the 13F portfolio, value $367,418,097.

    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 4,348,039 shares
    Change vs previous 13F +55,273 shares

    0.1% of the 13F portfolio, value $443,221,764.

    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 4,292,766 shares
    Change vs previous 13F +36,349 shares

    0.1% of the 13F portfolio, value $440,311,003.

    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 4,256,417 shares
    Change vs previous 13F +37,154 shares

    0.09% of the 13F portfolio, value $366,210,002.

    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 4,219,263 shares
    Change vs previous 13F +15,097 shares

    0.11% of the 13F portfolio, value $443,476,479.

    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 4,204,166 shares
    Change vs previous 13F not available

    0.12% of the 13F portfolio, value $499,562,144.

    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).