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Impax Asset Management Group plc: AAMI position timeline

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

Impax Asset Management Group plc held 350,000 AAMI 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 350,000 shares
    Change vs previous 13F -473,323 shares

    0.16% of the 13F portfolio, value $25,032,000.

    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 823,323 shares
    Change vs previous 13F -22,128 shares

    0.31% of the 13F portfolio, value $44,805,238.

    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 845,451 shares
    Change vs previous 13F +79,967 shares

    0.25% of the 13F portfolio, value $39,736,197.

    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 765,484 shares
    Change vs previous 13F -234,516 shares

    0.22% of the 13F portfolio, value $36,865,709.

    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 1,000,000 shares
    Change vs previous 13F -100,000 shares

    0.2% of the 13F portfolio, value $35,240,000.

    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 1,100,000 shares
    Change vs previous 13F +100,000 shares

    0.17% of the 13F portfolio, value $28,446,000.

    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 1,000,000 shares
    Change vs previous 13F -98,818 shares

    0.12% of the 13F portfolio, value $26,340,000.

    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 1,098,818 shares
    Change vs previous 13F not available

    0.11% of the 13F portfolio, value $27,909,977.

    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).