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AMERICAN CENTURY COMPANIES INC: MAS position timeline

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

AMERICAN CENTURY COMPANIES INC held 1,682,223 MAS 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 1,682,223 shares
    Change vs previous 13F -182,011 shares

    0.06% of the 13F portfolio, value $136,882,611.

    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 1,864,234 shares
    Change vs previous 13F +354,333 shares

    0.06% of the 13F portfolio, value $112,543,954.

    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 1,509,901 shares
    Change vs previous 13F +454,539 shares

    0.05% of the 13F portfolio, value $95,818,445.

    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 1,055,362 shares
    Change vs previous 13F +880,076 shares

    0.04% of the 13F portfolio, value $74,287,038.

    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 175,286 shares
    Change vs previous 13F +2,624 shares

    0.01% of the 13F portfolio, value $11,281,407.

    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 172,662 shares
    Change vs previous 13F -44,984 shares

    0.01% of the 13F portfolio, value $12,006,916.

    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 217,646 shares
    Change vs previous 13F -56,484 shares

    0.01% of the 13F portfolio, value $15,794,570.

    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 274,130 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $23,010,473.

    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).