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AMERICAN CENTURY COMPANIES INC: OII position timeline

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

AMERICAN CENTURY COMPANIES INC held 4,023,994 OII 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 4,023,994 shares
    Change vs previous 13F +257,320 shares

    0.07% of the 13F portfolio, value $163,052,237.

    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 3,766,674 shares
    Change vs previous 13F +158,584 shares

    0.07% of the 13F portfolio, value $133,603,927.

    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 3,608,090 shares
    Change vs previous 13F -34,783 shares

    0.04% of the 13F portfolio, value $86,702,403.

    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 3,642,873 shares
    Change vs previous 13F +272,667 shares

    0.05% of the 13F portfolio, value $90,270,393.

    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 3,370,206 shares
    Change vs previous 13F +256,628 shares

    0.04% of the 13F portfolio, value $69,830,668.

    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 3,113,578 shares
    Change vs previous 13F +271,868 shares

    0.04% of the 13F portfolio, value $67,907,136.

    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 2,841,710 shares
    Change vs previous 13F +355,290 shares

    0.04% of the 13F portfolio, value $74,111,797.

    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 2,486,420 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $61,837,265.

    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).