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Disclosery

FMR LLC: WLK position timeline

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

FMR LLC held 361,243 WLK shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 361,243 shares
    Change vs previous 13F -951,230 shares

    <0.01% of the 13F portfolio, value $26,370,775.

    13F-HR 0000315066-26-002260 filed by FMR LLC
    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 1,312,473 shares
    Change vs previous 13F +1,083,630 shares

    0.01% of the 13F portfolio, value $153,323,057.

    13F-HR 0000315066-26-001390 filed by FMR LLC
    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 228,843 shares
    Change vs previous 13F -85,507 shares

    <0.01% of the 13F portfolio, value $16,920,659.

    13F-HR 0000315066-26-000611 filed by FMR LLC
    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 314,350 shares
    Change vs previous 13F -1,300,888 shares

    <0.01% of the 13F portfolio, value $24,223,840.

    13F-HR 0000315066-25-002929 filed by FMR LLC
    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 1,615,238 shares
    Change vs previous 13F +66,372 shares

    0.01% of the 13F portfolio, value $122,645,040.

    13F-HR 0000315066-25-002231 filed by FMR LLC
    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 1,548,866 shares
    Change vs previous 13F +110,263 shares

    0.01% of the 13F portfolio, value $154,933,077.

    13F-HR 0000315066-25-001380 filed by FMR LLC
    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 1,438,603 shares
    Change vs previous 13F -1,291,403 shares

    0.01% of the 13F portfolio, value $164,935,932.

    13F-HR 0000315066-25-000939 filed by FMR LLC
    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 2,730,006 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $410,292,732.

    13F-HR 0001385495-24-000014 filed by FMR LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).