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T. Rowe Price Investment Management, Inc.: KLAC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of T. Rowe Price Investment Management, Inc. on KLAC, newest first. How the timeline and the estimate are built.

T. Rowe Price Investment Management, Inc. held 289,018 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 289,018 shares
    Change vs previous 13F +194,817 shares

    0.06% of the 13F portfolio, value $87,200,000.

    13F-HR 0001897612-26-000578 filed by T. Rowe Price Investment Management, 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 94,201 shares
    Change vs previous 13F +73,327 shares

    0.1% of the 13F portfolio, value $138,703,000.

    13F-HR 0001897612-26-000460 filed by T. Rowe Price Investment Management, 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/A 20,874 shares
    Change vs previous 13F +16,708 shares

    0.02% of the 13F portfolio, value $25,364,000.

    13F-HR/A 0001897612-26-000299 filed by T. Rowe Price Investment Management, 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 4,166 shares
    Change vs previous 13F +345 shares

    <0.01% of the 13F portfolio, value $4,494,000.

    13F-HR 0001897612-25-000511 filed by T. Rowe Price Investment Management, 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 3,821 shares
    Change vs previous 13F +3,821 shares

    <0.01% of the 13F portfolio, value $3,423,000.

    13F-HR 0000080255-25-000548 filed by T. Rowe Price Investment Management, 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 0 shares
    Change vs previous 13F -5,690 shares

    13F-HR 0000080255-25-000283 filed by T. Rowe Price Investment Management, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  7. period ended2024-12-31
    13F 5,690 shares
    Change vs previous 13F +1,975 shares

    <0.01% of the 13F portfolio, value $3,586,000.

    13F-HR 0000080255-25-000217 filed by T. Rowe Price Investment Management, 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 3,715 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $2,877,000.

    13F-HR 0001897612-24-002015 filed by T. Rowe Price Investment Management, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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