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AMERICAN CENTURY COMPANIES INC: AMT position timeline

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

AMERICAN CENTURY COMPANIES INC held 1,284,437 AMT 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 1,284,437 shares
    Change vs previous 13F -64,910 shares

    0.09% of the 13F portfolio, value $210,095,692.

    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 1,349,347 shares
    Change vs previous 13F -616,861 shares

    0.12% of the 13F portfolio, value $232,870,492.

    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 1,966,208 shares
    Change vs previous 13F +73,912 shares

    0.17% of the 13F portfolio, value $345,207,380.

    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 1,892,296 shares
    Change vs previous 13F +265,324 shares

    0.19% of the 13F portfolio, value $363,926,612.

    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 1,626,972 shares
    Change vs previous 13F -167,293 shares

    0.2% of the 13F portfolio, value $359,593,764.

    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 1,794,265 shares
    Change vs previous 13F +244,047 shares

    0.24% of the 13F portfolio, value $390,432,213.

    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 1,550,218 shares
    Change vs previous 13F +59,306 shares

    0.16% of the 13F portfolio, value $284,325,577.

    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 1,490,912 shares
    Change vs previous 13F not available

    0.2% of the 13F portfolio, value $346,726,495.

    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).