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AMERICAN CENTURY COMPANIES INC: MGA position timeline

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

AMERICAN CENTURY COMPANIES INC held 843,118 MGA 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 843,118 shares
    Change vs previous 13F +174,938 shares

    0.02% of the 13F portfolio, value $55,439,093.

    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 668,180 shares
    Change vs previous 13F +43,134 shares

    0.02% of the 13F portfolio, value $37,315,827.

    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 625,046 shares
    Change vs previous 13F +23,543 shares

    0.02% of the 13F portfolio, value $33,320,462.

    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 601,503 shares
    Change vs previous 13F +256,522 shares

    0.01% of the 13F portfolio, value $28,499,707.

    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 344,981 shares
    Change vs previous 13F -50,716 shares

    0.01% of the 13F portfolio, value $13,333,286.

    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 395,697 shares
    Change vs previous 13F +151,127 shares

    0.01% of the 13F portfolio, value $13,448,851.

    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 244,570 shares
    Change vs previous 13F +22,238 shares

    0.01% of the 13F portfolio, value $10,222,070.

    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 222,332 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $9,120,470.

    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).