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DIMENSIONAL FUND ADVISORS LP: WMB position timeline

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

DIMENSIONAL FUND ADVISORS LP held 8,538,140 WMB 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 8,538,140 shares
    Change vs previous 13F -17,792 shares

    0.12% of the 13F portfolio, value $634,762,988.

    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 8,555,932 shares
    Change vs previous 13F -982,745 shares

    0.13% of the 13F portfolio, value $622,698,272.

    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 9,538,677 shares
    Change vs previous 13F +465,075 shares

    0.12% of the 13F portfolio, value $573,366,818.

    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 9,073,602 shares
    Change vs previous 13F +2,116,526 shares

    0.12% of the 13F portfolio, value $574,855,617.

    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 6,957,076 shares
    Change vs previous 13F -997,038 shares

    0.1% of the 13F portfolio, value $436,988,336.

    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 7,954,114 shares
    Change vs previous 13F -497,893 shares

    0.12% of the 13F portfolio, value $475,284,442.

    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 8,452,007 shares
    Change vs previous 13F -693,000 shares

    0.11% of the 13F portfolio, value $457,427,061.

    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 9,145,007 shares
    Change vs previous 13F not available

    0.1% of the 13F portfolio, value $417,440,352.

    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).