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Disclosery

BlackRock, Inc.: KLAC position timeline

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

BlackRock, Inc. held 126,198,653 KLAC shares at 2026-06-30 per its 13F-HR filed 2026-08-07.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 126,198,653 shares
    Change vs previous 13F +113,602,446 shares

    0.57% of the 13F portfolio, value $38,075,395,547.

    13F-HR 0002012383-26-003238 filed by BlackRock, 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 12,596,207 shares
    Change vs previous 13F +208,882 shares

    0.33% of the 13F portfolio, value $18,546,782,522.

    13F-HR 0002012383-26-001841 filed by BlackRock, 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 12,387,325 shares
    Change vs previous 13F +557,514 shares

    0.26% of the 13F portfolio, value $15,051,590,870.

    13F-HR 0002012383-26-000920 filed by BlackRock, 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 11,829,811 shares
    Change vs previous 13F +26,073 shares

    0.22% of the 13F portfolio, value $12,759,634,897.

    13F-HR 0002012383-25-002949 filed by BlackRock, 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 11,803,738 shares
    Change vs previous 13F +30,656 shares

    0.2% of the 13F portfolio, value $10,573,080,932.

    13F-HR 0001060021-25-000120 filed by BlackRock, 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 11,773,082 shares
    Change vs previous 13F -280,629 shares

    0.17% of the 13F portfolio, value $8,003,341,297.

    13F-HR 0001576419-25-000869 filed by BlackRock, 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 12,053,711 shares
    Change vs previous 13F +392,872 shares

    0.15% of the 13F portfolio, value $7,595,284,412.

    13F-HR 0001060021-25-000002 filed by BlackRock, 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 11,660,839 shares
    Change vs previous 13F not available

    0.19% of the 13F portfolio, value $9,030,270,180.

    13F-HR 0001426459-24-000006 filed by BlackRock, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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