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AMERICAN CENTURY COMPANIES INC: GBX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of AMERICAN CENTURY COMPANIES INC on GBX, newest first. How the timeline and the estimate are built.

AMERICAN CENTURY COMPANIES INC held 1,767,398 GBX shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,767,398 shares
    Change vs previous 13F +245,601 shares

    0.04% of the 13F portfolio, value $86,620,196.

    13F-HR 0000748054-26-000005 filed by AMERICAN CENTURY COMPANIES INC
    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 1,521,797 shares
    Change vs previous 13F +153,483 shares

    0.04% of the 13F portfolio, value $80,122,631.

    13F-HR 0000748054-26-000002 filed by AMERICAN CENTURY COMPANIES INC
    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 1,368,314 shares
    Change vs previous 13F +43,360 shares

    0.03% of the 13F portfolio, value $63,955,011.

    13F-HR 0000748054-26-000001 filed by AMERICAN CENTURY COMPANIES INC
    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 1,324,954 shares
    Change vs previous 13F +80,575 shares

    0.03% of the 13F portfolio, value $61,173,138.

    13F-HR 0000748054-25-000009 filed by AMERICAN CENTURY COMPANIES INC
    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 1,244,379 shares
    Change vs previous 13F +65,340 shares

    0.03% of the 13F portfolio, value $57,303,662.

    13F-HR 0001085146-25-004910 filed by AMERICAN CENTURY COMPANIES INC
    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 1,179,039 shares
    Change vs previous 13F +183,749 shares

    0.04% of the 13F portfolio, value $60,390,384.

    13F-HR 0001085146-25-003039 filed by AMERICAN CENTURY COMPANIES INC
    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 995,290 shares
    Change vs previous 13F +119,757 shares

    0.03% of the 13F portfolio, value $60,702,737.

    13F-HR 0001085146-25-000985 filed by AMERICAN CENTURY COMPANIES INC
    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 875,533 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $44,555,874.

    13F-HR 0001085146-24-005525 filed by AMERICAN CENTURY COMPANIES INC
    Filed (acceptance time not in the bulk data set), ingested

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