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Impax Asset Management Group plc: KLAC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Impax Asset Management Group plc on KLAC, newest first. How the timeline and the estimate are built.

Impax Asset Management Group plc held 2,482,564 KLAC shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 2,482,564 shares
    Change vs previous 13F +2,118,775 shares

    4.87% of the 13F portfolio, value $749,014,292.

    13F-HR 0001749768-26-000004 filed by Impax Asset Management Group plc
    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 363,789 shares
    Change vs previous 13F +151,316 shares

    3.73% of the 13F portfolio, value $535,647,414.

    13F-HR 0001749768-26-000002 filed by Impax Asset Management Group plc
    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 212,473 shares
    Change vs previous 13F -39,715 shares

    1.62% of the 13F portfolio, value $258,171,616.

    13F-HR 0001749768-26-000001 filed by Impax Asset Management Group plc
    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 252,188 shares
    Change vs previous 13F -92,933 shares

    1.58% of the 13F portfolio, value $271,227,914.

    13F-HR 0001749768-25-000052 filed by Impax Asset Management Group plc
    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 345,121 shares
    Change vs previous 13F -44,713 shares

    1.77% of the 13F portfolio, value $308,260,937.

    13F-HR 0001749768-25-000049 filed by Impax Asset Management Group plc
    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 389,834 shares
    Change vs previous 13F +135,469 shares

    1.59% of the 13F portfolio, value $264,343,067.

    13F-HR 0001749768-25-000042 filed by Impax Asset Management Group plc
    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 254,365 shares
    Change vs previous 13F +86,077 shares

    0.73% of the 13F portfolio, value $160,280,474.

    13F-HR 0001749768-25-000039 filed by Impax Asset Management Group plc
    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/A 168,288 shares
    Change vs previous 13F not available

    0.51% of the 13F portfolio, value $130,323,910.

    13F-HR/A 0001749768-24-000024 filed by Impax Asset Management Group plc
    Filed (acceptance time not in the bulk data set), ingested

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