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BROWN BROTHERS HARRIMAN & CO: KLAC position timeline

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

BROWN BROTHERS HARRIMAN & CO held 3,031,649 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 3,031,649 shares
    Change vs previous 13F +2,681,748 shares

    4.01% of the 13F portfolio, value $914,678,874.

    13F-HR 0001104659-26-094581 filed by BROWN BROTHERS HARRIMAN & 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 349,901 shares
    Change vs previous 13F -83,989 shares

    2.76% of the 13F portfolio, value $515,197,870.

    13F-HR 0001104659-26-060871 filed by BROWN BROTHERS HARRIMAN & 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 433,890 shares
    Change vs previous 13F -152,634 shares

    2.88% of the 13F portfolio, value $527,211,138.

    13F-HR 0001104659-26-014005 filed by BROWN BROTHERS HARRIMAN & 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 586,524 shares
    Change vs previous 13F -12,859 shares

    3.85% of the 13F portfolio, value $632,624,805.

    13F-HR 0001104659-25-111114 filed by BROWN BROTHERS HARRIMAN & 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 599,383 shares
    Change vs previous 13F -5,656 shares

    3.45% of the 13F portfolio, value $536,891,255.

    13F-HR 0001104659-25-076057 filed by BROWN BROTHERS HARRIMAN & 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 605,039 shares
    Change vs previous 13F -8,056 shares

    2.87% of the 13F portfolio, value $411,305,381.

    13F-HR 0001104659-25-048255 filed by BROWN BROTHERS HARRIMAN & 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 613,095 shares
    Change vs previous 13F -8,620 shares

    2.71% of the 13F portfolio, value $386,323,234.

    13F-HR 0001104659-25-011961 filed by BROWN BROTHERS HARRIMAN & 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 621,715 shares
    Change vs previous 13F not available

    3.27% of the 13F portfolio, value $481,461,996.

    13F-HR 0001104659-24-117355 filed by BROWN BROTHERS HARRIMAN & CO
    Filed (acceptance time not in the bulk data set), ingested

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