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CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM: WKC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM on WKC, newest first. How the timeline and the estimate are built.

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM held 55,923 WKC shares at 2026-06-30 per its 13F-HR/A filed 2026-08-24.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F/A 55,923 shares
    Change vs previous 13F -17,941 shares

    <0.01% of the 13F portfolio, value $1,842,104.

    13F-HR/A 0001081019-26-000020 filed by CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM
    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 73,864 shares
    Change vs previous 13F +19,622 shares

    <0.01% of the 13F portfolio, value $1,704,042.

    13F-HR 0001081019-26-000007 filed by CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM
    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 54,242 shares
    Change vs previous 13F -115 shares

    <0.01% of the 13F portfolio, value $1,270,890.

    13F-HR 0001081019-26-000004 filed by CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM
    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 54,357 shares
    Change vs previous 13F +3 shares

    <0.01% of the 13F portfolio, value $1,410,564.

    13F-HR 0001081019-25-000025 filed by CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM
    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 54,354 shares
    Change vs previous 13F +775 shares

    <0.01% of the 13F portfolio, value $1,540,936.

    13F-HR 0001081019-25-000018 filed by CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM
    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 53,579 shares
    Change vs previous 13F -1,518 shares

    <0.01% of the 13F portfolio, value $1,519,500.

    13F-HR 0001081019-25-000012 filed by CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM
    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/A 55,097 shares
    Change vs previous 13F -7,782 shares

    <0.01% of the 13F portfolio, value $1,515,718.

    13F-HR/A 0001081019-25-000009 filed by CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM
    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/A 62,879 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,943,590.

    13F-HR/A 0001081019-25-000010 filed by CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM
    Filed (acceptance time not in the bulk data set), ingested

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