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Impax Asset Management Group plc: AMAT position timeline

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

Impax Asset Management Group plc held 242,832 AMAT 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 242,832 shares
    Change vs previous 13F -16,770 shares

    1.14% of the 13F portfolio, value $175,567,613.

    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 259,602 shares
    Change vs previous 13F -594,927 shares

    0.62% of the 13F portfolio, value $88,729,295.

    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 854,529 shares
    Change vs previous 13F -225,303 shares

    1.37% of the 13F portfolio, value $219,605,471.

    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 1,079,832 shares
    Change vs previous 13F -259,525 shares

    1.29% of the 13F portfolio, value $221,084,926.

    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 1,339,357 shares
    Change vs previous 13F -256,289 shares

    1.41% of the 13F portfolio, value $244,396,736.

    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 1,595,646 shares
    Change vs previous 13F -1,021,732 shares

    1.39% of the 13F portfolio, value $230,946,737.

    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 2,617,378 shares
    Change vs previous 13F +66,275 shares

    1.92% of the 13F portfolio, value $424,985,529.

    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 2,551,103 shares
    Change vs previous 13F not available

    2.03% of the 13F portfolio, value $514,719,748.

    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).