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AMERICAN CENTURY COMPANIES INC: ROCK position timeline

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

AMERICAN CENTURY COMPANIES INC held 57,243 ROCK 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 57,243 shares
    Change vs previous 13F -676 shares

    <0.01% of the 13F portfolio, value $2,581,659.

    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 57,919 shares
    Change vs previous 13F +4,951 shares

    <0.01% of the 13F portfolio, value $2,309,231.

    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 52,968 shares
    Change vs previous 13F +6,812 shares

    <0.01% of the 13F portfolio, value $2,618,738.

    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 46,156 shares
    Change vs previous 13F -9,295 shares

    <0.01% of the 13F portfolio, value $2,898,597.

    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 55,451 shares
    Change vs previous 13F -19,992 shares

    <0.01% of the 13F portfolio, value $3,271,609.

    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 75,443 shares
    Change vs previous 13F +3,713 shares

    <0.01% of the 13F portfolio, value $4,425,486.

    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 71,730 shares
    Change vs previous 13F +5,605 shares

    <0.01% of the 13F portfolio, value $4,224,897.

    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 66,125 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $4,624,121.

    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).