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WELLINGTON MANAGEMENT GROUP LLP: KLAC position timeline

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

WELLINGTON MANAGEMENT GROUP LLP held 14,821,622 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 14,821,622 shares
    Change vs previous 13F +13,381,153 shares

    0.77% of the 13F portfolio, value $4,471,831,575.

    13F-HR 0000902219-26-000311 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 1,440,469 shares
    Change vs previous 13F +1,002,441 shares

    0.4% of the 13F portfolio, value $2,120,960,960.

    13F-HR 0000902219-26-000209 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 438,028 shares
    Change vs previous 13F -36,367 shares

    0.09% of the 13F portfolio, value $532,239,063.

    13F-HR 0000902219-26-000103 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 474,395 shares
    Change vs previous 13F +2,426 shares

    0.09% of the 13F portfolio, value $511,682,446.

    13F-HR 0000902219-25-000462 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 471,969 shares
    Change vs previous 13F -944,907 shares

    0.08% of the 13F portfolio, value $422,761,512.

    13F-HR 0000902219-25-000356 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 1,416,876 shares
    Change vs previous 13F -74,323 shares

    0.19% of the 13F portfolio, value $963,192,304.

    13F-HR 0000902219-25-000242 filed by WELLINGTON MANAGEMENT GROUP LLP
    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/A 1,491,199 shares
    Change vs previous 13F -307,099 shares

    0.17% of the 13F portfolio, value $939,634,314.

    13F-HR 0000902219-25-000131 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 1,798,298 shares
    Change vs previous 13F not available

    0.24% of the 13F portfolio, value $1,392,619,954.

    13F-HR 0000902219-24-000498 filed by WELLINGTON MANAGEMENT GROUP LLP
    Filed (acceptance time not in the bulk data set), ingested

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