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DIMENSIONAL FUND ADVISORS LP: WLK position timeline

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

DIMENSIONAL FUND ADVISORS LP held 2,051,554 WLK 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 2,051,554 shares
    Change vs previous 13F +585,534 shares

    0.03% of the 13F portfolio, value $149,776,878.

    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 1,466,020 shares
    Change vs previous 13F -419,658 shares

    0.04% of the 13F portfolio, value $171,262,546.

    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 1,885,678 shares
    Change vs previous 13F +585,438 shares

    0.03% of the 13F portfolio, value $139,431,144.

    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 1,300,240 shares
    Change vs previous 13F +25,071 shares

    0.02% of the 13F portfolio, value $100,195,151.

    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 1,275,169 shares
    Change vs previous 13F +335,500 shares

    0.02% of the 13F portfolio, value $96,826,911.

    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 939,669 shares
    Change vs previous 13F +5,547 shares

    0.02% of the 13F portfolio, value $93,983,255.

    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 934,122 shares
    Change vs previous 13F +43,544 shares

    0.03% of the 13F portfolio, value $107,091,657.

    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 890,578 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $133,843,646.

    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).