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AMERICAN CENTURY COMPANIES INC: KLAC position timeline

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

AMERICAN CENTURY COMPANIES INC held 2,024,263 KLAC 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 2,024,263 shares
    Change vs previous 13F +1,750,036 shares

    0.27% of the 13F portfolio, value $610,740,450.

    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 274,227 shares
    Change vs previous 13F -28,299 shares

    0.21% of the 13F portfolio, value $403,774,605.

    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 302,526 shares
    Change vs previous 13F +76,292 shares

    0.18% of the 13F portfolio, value $367,593,347.

    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 226,234 shares
    Change vs previous 13F -2,669 shares

    0.12% of the 13F portfolio, value $244,016,035.

    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 228,903 shares
    Change vs previous 13F +7,198 shares

    0.11% of the 13F portfolio, value $205,037,603.

    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 221,705 shares
    Change vs previous 13F +17,961 shares

    0.09% of the 13F portfolio, value $150,715,076.

    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 203,744 shares
    Change vs previous 13F +5,579 shares

    0.07% of the 13F portfolio, value $128,383,169.

    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 198,165 shares
    Change vs previous 13F not available

    0.09% of the 13F portfolio, value $153,460,957.

    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).