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CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM: GBX position timeline

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

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM held 34,279 GBX 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 34,279 shares
    Change vs previous 13F -3,106 shares

    <0.01% of the 13F portfolio, value $1,680,014.

    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 37,385 shares
    Change vs previous 13F +8,696 shares

    <0.01% of the 13F portfolio, value $1,968,320.

    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 28,689 shares
    Change vs previous 13F -59 shares

    <0.01% of the 13F portfolio, value $1,340,924.

    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 28,748 shares
    Change vs previous 13F +1 shares

    <0.01% of the 13F portfolio, value $1,327,295.

    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 28,747 shares
    Change vs previous 13F +454 shares

    <0.01% of the 13F portfolio, value $1,323,799.

    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 28,293 shares
    Change vs previous 13F -778 shares

    <0.01% of the 13F portfolio, value $1,449,167.

    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 29,071 shares
    Change vs previous 13F -350 shares

    <0.01% of the 13F portfolio, value $1,773,040.

    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 29,421 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,497,235.

    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).