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SEI INVESTMENTS CO: KLAC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of SEI INVESTMENTS CO on KLAC, newest first. How the timeline and the estimate are built.

SEI INVESTMENTS CO held 932,992 KLAC shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 932,992 shares
    Change vs previous 13F +842,491 shares

    0.25% of the 13F portfolio, value $281,493,482.

    13F-HR 0002048251-26-006553 filed by SEI INVESTMENTS CO
    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 90,501 shares
    Change vs previous 13F +21,692 shares

    0.12% of the 13F portfolio, value $133,250,675.

    13F-HR 0002048251-26-003739 filed by SEI INVESTMENTS CO
    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 68,809 shares
    Change vs previous 13F -13,601 shares

    0.08% of the 13F portfolio, value $83,612,351.

    13F-HR 0000350894-26-000005 filed by SEI INVESTMENTS CO
    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 82,410 shares
    Change vs previous 13F -3,856 shares

    0.1% of the 13F portfolio, value $88,888,139.

    13F-HR 0002048251-25-002343 filed by SEI INVESTMENTS CO
    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 86,266 shares
    Change vs previous 13F +3,024 shares

    0.09% of the 13F portfolio, value $77,273,223.

    13F-HR 0001041062-25-000162 filed by SEI INVESTMENTS CO
    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/A 83,242 shares
    Change vs previous 13F -1,469 shares

    0.07% of the 13F portfolio, value $56,588,331.

    13F-HR/A 0001041062-25-000106 filed by SEI INVESTMENTS CO
    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 84,711 shares
    Change vs previous 13F +3,064 shares

    0.07% of the 13F portfolio, value $53,377,792.

    13F-HR 0001041062-25-000019 filed by SEI INVESTMENTS CO
    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 81,647 shares
    Change vs previous 13F not available

    0.08% of the 13F portfolio, value $63,227,324.

    13F-HR 0001041062-24-000165 filed by SEI INVESTMENTS CO
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).