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Impax Asset Management Group plc: MAS position timeline

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

Impax Asset Management Group plc held 2,031,735 MAS 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 2,031,735 shares
    Change vs previous 13F -345,426 shares

    1.08% of the 13F portfolio, value $165,322,277.

    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 2,377,161 shares
    Change vs previous 13F -333,602 shares

    1% of the 13F portfolio, value $143,509,210.

    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 2,710,763 shares
    Change vs previous 13F +227,803 shares

    1.08% of the 13F portfolio, value $172,025,020.

    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 2,482,960 shares
    Change vs previous 13F -152,183 shares

    1.02% of the 13F portfolio, value $174,775,554.

    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 2,635,143 shares
    Change vs previous 13F +390,802 shares

    0.98% of the 13F portfolio, value $169,597,803.

    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 2,244,341 shares
    Change vs previous 13F -50,580 shares

    0.94% of the 13F portfolio, value $156,071,473.

    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 2,294,921 shares
    Change vs previous 13F -247,340 shares

    0.75% of the 13F portfolio, value $166,542,417.

    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 2,542,261 shares
    Change vs previous 13F not available

    0.84% of the 13F portfolio, value $213,397,388.

    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).