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AMERICAN CENTURY COMPANIES INC: MRNA position timeline

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

AMERICAN CENTURY COMPANIES INC held 110,860 MRNA 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 110,860 shares
    Change vs previous 13F +34,173 shares

    <0.01% of the 13F portfolio, value $7,763,526.

    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 76,687 shares
    Change vs previous 13F +18,173 shares

    <0.01% of the 13F portfolio, value $3,895,699.

    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 58,514 shares
    Change vs previous 13F +6,953 shares

    <0.01% of the 13F portfolio, value $1,725,578.

    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 51,561 shares
    Change vs previous 13F +2,702 shares

    <0.01% of the 13F portfolio, value $1,331,821.

    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 48,859 shares
    Change vs previous 13F +2,410 shares

    <0.01% of the 13F portfolio, value $1,348,020.

    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 46,449 shares
    Change vs previous 13F +1,830 shares

    <0.01% of the 13F portfolio, value $1,316,829.

    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 44,619 shares
    Change vs previous 13F +1,187 shares

    <0.01% of the 13F portfolio, value $1,855,258.

    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 43,432 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $2,902,560.

    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).