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AMERICAN CENTURY COMPANIES INC: REGN position timeline

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

AMERICAN CENTURY COMPANIES INC held 62,209 REGN 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 62,209 shares
    Change vs previous 13F -499,888 shares

    0.02% of the 13F portfolio, value $38,789,999.

    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 562,097 shares
    Change vs previous 13F +10,610 shares

    0.22% of the 13F portfolio, value $434,303,659.

    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 551,487 shares
    Change vs previous 13F -109,108 shares

    0.21% of the 13F portfolio, value $425,680,385.

    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 660,595 shares
    Change vs previous 13F +23,943 shares

    0.19% of the 13F portfolio, value $371,435,512.

    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 636,652 shares
    Change vs previous 13F -85,815 shares

    0.18% of the 13F portfolio, value $334,244,571.

    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 722,467 shares
    Change vs previous 13F +14,921 shares

    0.28% of the 13F portfolio, value $458,210,992.

    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 707,546 shares
    Change vs previous 13F -30,949 shares

    0.29% of the 13F portfolio, value $504,007,289.

    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 738,495 shares
    Change vs previous 13F not available

    0.45% of the 13F portfolio, value $776,336,334.

    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).