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AMERICAN CENTURY COMPANIES INC: IOSP position timeline

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

AMERICAN CENTURY COMPANIES INC held 55,093 IOSP 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 55,093 shares
    Change vs previous 13F -141 shares

    <0.01% of the 13F portfolio, value $4,484,019.

    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 55,234 shares
    Change vs previous 13F +918 shares

    <0.01% of the 13F portfolio, value $4,033,187.

    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 54,316 shares
    Change vs previous 13F -8,386 shares

    <0.01% of the 13F portfolio, value $4,157,364.

    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 62,702 shares
    Change vs previous 13F +6,841 shares

    <0.01% of the 13F portfolio, value $4,838,098.

    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 55,861 shares
    Change vs previous 13F +8,316 shares

    <0.01% of the 13F portfolio, value $4,697,363.

    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 47,545 shares
    Change vs previous 13F +10,309 shares

    <0.01% of the 13F portfolio, value $4,504,896.

    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 37,236 shares
    Change vs previous 13F +12,084 shares

    <0.01% of the 13F portfolio, value $4,098,194.

    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 25,152 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $2,844,440.

    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).